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  • IntPtr in 32 Bit OS, UInt64 in 64 bit OS

    - by Ngu Soon Hui
    I'm trying to do an interop to a C++ structure from C#. The structure ( in C# wrapper) is something like this [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)] public struct SENSE4_CONTEXT { public System.IntPtr dwIndex; //or UInt64, depending on platform. } The underlying C++ structure is a bit abnormal. In 32 bit OS, dwIndex must be IntPtr in order for the interop to work, but in 64 bit OS, it must be UInt64 in order for the interop to work. Any idea how to modify the above structure to make it work on both 32 and 64 bit OS?

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  • uint64_t has incorrectly reached 18,446,744,071,590,568,320

    - by user3400450
    Whenever I input an age of 65 or less, I get a number somewhere less than 2,100,000. However, when I input an age of 68 or higher, the result is instantly put at 18,446,744,071,590,568,320, which is the maximum value for uint64_t. I have no idea why there is this jump in results. It works fine all the way until about 2,100,000. // How many seconds have I lived? #include <stdio.h> #include <string> #include <cstdint> using namespace std; string addCommas(uint64_t answer); int main () { int seconds = 60, minutes = 60, hours = 24, days = 365; int years; uint64_t secondsLived, secondsAwake; printf("How many years have you lived? "); scanf("%d",&years); secondsLived = seconds*minutes*hours*days*years; secondsAwake = (float)secondsLived*0.666; printf("\nYou have existed for %s seconds\n",addCommas(secondsLived).c_str()); printf("You have been awake for %s seconds\n",addCommas(secondsAwake).c_str()); } string addCommas(uint64_t answer){ string num = to_string(answer); int insertplace = (int)num.length() - 3; while (insertplace > 0) { num.insert(insertplace, ","); insertplace-=3; } return num; } Here are a couple outputs: How many years have you lived? 67 You have existed for 2,112,912,000 seconds You have been awake for 1,407,199,392 seconds How many years have you lived? 69 You have existed for 18,446,744,071,590,568,320 seconds You have been awake for 12,285,531,553,090,562,048 seconds

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  • Wireshark Plugin: Dissecting Payloads With Multiple Packets Per UDP Frame

    - by John Dibling
    I am writing a Wireshark plugin to dissect a protocol that places multiple application-level packets in a single UDP frame. There is no enclosing protocol that indicates how many packets there are in the frame. So essentially, the payload coming down the wire will look like this: uint64 sequence1 uint64 data1 uint8 flags1 uint64 sequence2 uint64 data2 uint8 flags2 : : : uint64 sequence_n uint64 data_n uint8 flags_n In my server code that actually processes this information, I simply loop through the frame until I reach the end. In looking through the plugins included with the wireshark source code, I didn't see any protocols that did any looping like this. I know other protocols pack multiple payloads per frame. What is the cannonical or standard way to handle protocols like this in a Wireshark dissector?

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  • What is the safest way to subtract two System.Runtime.InteropServices.ComTypes.FILETIME objects

    - by Anindya Chatterjee
    I wonder what is the safest way to subtract two System.Runtime.InteropServices.ComTypes.FILETIME objects? I used the following code but sometimes it gives me ArithmaticOverflow exception due to the negative number in Low 32-bit values. I am not sure enclosing the body with unchecked will serve the purpose or not. Please give me some suggestion on how to do it safely without getting any runtime exception or CS0675 warning message. private static UInt64 SubtractTimes(FILETIME a, FILETIME b) { UInt64 aInt = ((UInt64)(a.dwHighDateTime << 32)) | (UInt32)a.dwLowDateTime; UInt64 bInt = ((UInt64)(b.dwHighDateTime << 32)) | (UInt32)b.dwLowDateTime; return aInt - bInt; }

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  • Adjusting server-side tickrate dynamically

    - by Stuart Blackler
    I know nothing of game development/this site, so I apologise if this is completely foobar. Today I experimented with building a small game loop for a network game (think MW3, CSGO etc). I was wondering why they do not build in automatic rate adjustment based on server performance? Would it affect the client that much if the client knew this frame is based on this tickrate? Has anyone attempted this before? Here is what my noobish C++ brain came up with earlier. It will improve the tickrate if it has been stable for x ticks. If it "lags", the tickrate will be reduced down by y amount: // GameEngine.cpp : Defines the entry point for the console application. // #ifdef WIN32 #include <Windows.h> #else #include <sys/time.h> #include <ctime> #endif #include<iostream> #include <dos.h> #include "stdafx.h" using namespace std; UINT64 GetTimeInMs() { #ifdef WIN32 /* Windows */ FILETIME ft; LARGE_INTEGER li; /* Get the amount of 100 nano seconds intervals elapsed since January 1, 1601 (UTC) and copy it * to a LARGE_INTEGER structure. */ GetSystemTimeAsFileTime(&ft); li.LowPart = ft.dwLowDateTime; li.HighPart = ft.dwHighDateTime; UINT64 ret = li.QuadPart; ret -= 116444736000000000LL; /* Convert from file time to UNIX epoch time. */ ret /= 10000; /* From 100 nano seconds (10^-7) to 1 millisecond (10^-3) intervals */ return ret; #else /* Linux */ struct timeval tv; gettimeofday(&tv, NULL); uint64 ret = tv.tv_usec; /* Convert from micro seconds (10^-6) to milliseconds (10^-3) */ ret /= 1000; /* Adds the seconds (10^0) after converting them to milliseconds (10^-3) */ ret += (tv.tv_sec * 1000); return ret; #endif } int _tmain(int argc, _TCHAR* argv[]) { int sv_tickrate_max = 1000; // The maximum amount of ticks per second int sv_tickrate_min = 100; // The minimum amount of ticks per second int sv_tickrate_adjust = 10; // How much to de/increment the tickrate by int sv_tickrate_stable_before_increment = 1000; // How many stable ticks before we increase the tickrate again int sys_tickrate_current = sv_tickrate_max; // Always start at the highest possible tickrate for the best performance int counter_stable_ticks = 0; // How many ticks we have not lagged for UINT64 __startTime = GetTimeInMs(); int ticks = 100000; while(ticks > 0) { int maxTimeInMs = 1000 / sys_tickrate_current; UINT64 _startTime = GetTimeInMs(); // Long code here... cout << "."; UINT64 _timeTaken = GetTimeInMs() - _startTime; if(_timeTaken < maxTimeInMs) { Sleep(maxTimeInMs - _timeTaken); counter_stable_ticks++; if(counter_stable_ticks >= sv_tickrate_stable_before_increment) { // reset the stable # ticks counter counter_stable_ticks = 0; // make sure that we don't go over the maximum tickrate if(sys_tickrate_current + sv_tickrate_adjust <= sv_tickrate_max) { sys_tickrate_current += sv_tickrate_adjust; // let me know in console #DEBUG cout << endl << "Improving tickrate. New tickrate: " << sys_tickrate_current << endl; } } } else if(_timeTaken > maxTimeInMs) { cout << endl; if((sys_tickrate_current - sv_tickrate_adjust) > sv_tickrate_min) { sys_tickrate_current -= sv_tickrate_adjust; } else { if(sys_tickrate_current == sv_tickrate_min) { cout << "Please reduce sv_tickrate_min..." << endl; } else{ sys_tickrate_current = sv_tickrate_min; } } // let me know in console #DEBUG cout << "The server has lag. Reduced tickrate to: " << sys_tickrate_current << endl; } ticks--; } UINT64 __timeTaken = GetTimeInMs() - __startTime; cout << endl << endl << "Total time in ms: " << __timeTaken; cout << endl << "Ending tickrate: " << sys_tickrate_current; char test; cin >> test; return 0; }

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  • Problem wit MDAC when trying to compile in VS2008 using x64 bit target platform

    - by grobartn
    I am trying to compile an 32 bit application. I am aware of problems with it but that is why its being compiled on 64 bit version. I am hanging at this problem. Application uses lots of sql stuff. In sqltypes.h file: (provided by MDAC) #ifdef _WIN64 typedef INT64 SQLLEN; typedef UINT64 SQLULEN; typedef UINT64 SQLSETPOSIROW; #else For some reason when its compiled on 32 bit platform it works great But when I try building it on 64 it goes berserk. Error 61 error C2146: syntax error : missing ';' before identifier 'SQLLEN' ..\external\microsoft sdk\include\sqltypes.h 50 It does not recognize INT64, UINT64. Is there something I need to enable so it will work under 64 build process? Missing some #include or #define? Any help would be great Thanks

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  • Why the performance of following code is degrading when I use threads ?

    - by DotNetBeginner
    Why the performance of following code is degrading when I use threads ? **1.Without threads int[] arr = new int[100000000]; //Array elements - [0][1][2][3]---[100000000-1] addWithOutThreading(arr); // Time required for this operation - 1.16 sec Definition for addWithOutThreading public void addWithOutThreading(int[] arr) { UInt64 result = 0; for (int i = 0; i < 100000000; i++) { result = result + Convert.ToUInt64(arr[i]); } Console.WriteLine("Addition = " + result.ToString()); } **2.With threads int[] arr = new int[100000000]; int part = (100000000 / 4); UInt64 res1 = 0, res2 = 0, res3 = 0, res4 = 0; ThreadStart starter1 = delegate { addWithThreading(arr, 0, part, ref res1); }; ThreadStart starter2 = delegate { addWithThreading(arr, part, part * 2, ref res2); }; ThreadStart starter3 = delegate { addWithThreading(arr, part * 2, part * 3, ref res3); }; ThreadStart starter4 = delegate { addWithThreading(arr, part * 3, part * 4, ref res4); }; Thread t1 = new Thread(starter1); Thread t2 = new Thread(starter2); Thread t3 = new Thread(starter3); Thread t4 = new Thread(starter4); t1.Start(); t2.Start(); t3.Start(); t4.Start(); t1.Join(); t2.Join(); t3.Join(); t4.Join(); Console.WriteLine("Addition = "+(res1+res2+res3+res4).ToString()); // Time required for this operation - 1.30 sec Definition for addWithThreading public void addWithThreading(int[] arr,int startIndex, int endIndex,ref UInt64 result) { for (int i = startIndex; i < endIndex; i++) { result = result + Convert.ToUInt64(arr[i]); } }

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  • Problem in using C# generics with method overloading

    - by Siva Chandran
    I am trying to call an overloaded method based on the generic type. I've been doing this in C++ without any pain. But I really don't understand why am not able to do this in C# with generics. Can anybody help me how can I achieve this in C# with generics? class Test<T> { public T Val; public void Do(T val) { Val = val; MainClass.Print(Val); } } class MainClass { public static void Print(UInt16 val) { Console.WriteLine("UInt16: " + val.ToString()); } public static void Print(UInt32 val) { Console.WriteLine("UInt32: " + val.ToString()); } public static void Print(UInt64 val) { Console.WriteLine("UInt64: " + val.ToString()); } public static void Main (string[] args) { Test<UInt16> test = new Test<UInt16>(); test.Do(); } }

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  • Silverlight IConvertible TypeConverter

    - by codingbloke
    I recently answered the following question on stackoverflow:  Silverlight 3 custom control: only ‘int’ as numeric type for a property? [e.g. long or int64 seems to break] I quickly knocked up the class ConvertibleTypeConverter<T> that I posted in the question (listed later here as well). Afterward I fully expected to find that of the usual clever “bods who blog” to have covered this probably with a better solution than I.  So far though I’ve not found one so I thought I’d blog it myself. The Problem Here is a classic gotcha I’ve seen asked more than once on stackoverflow :- public class MyClass {     public float SomeValue { get; set; } } <local:MyClass SomeValue="45.15" /> This fails with the error  “Failed to create a 'System.Single' from the text '45.15'”  and results in much premature hair loss.  Fortunately this is SL4, in SL3 the error message is almost meaningless.  So what gives, how can it be that this fails when we can see other very similar values parsing happily all over the place? It comes down the fact that the Xaml parser only handles a few of the primitive data types namely: bool, int, string and double.  Since the parser has no idea how to convert a string to a float we get the above error. The Solution The sensible solution is “use double not float” but lets not dwell on that, there has to be occasions where such an answer isn’t acceptable. In order to achieve parsing of other types we need an implementation of TypeConverter for the type of the property and then we need to use the TypeConverterAttribute to decorate the property .  As an example the Silverlight SDK provides one for DateTime the DateTimeTypeConverter (yes I know DateTime isn’t really a primitive). The following class will parse in Xaml:- public class MyClass {     [TypeConverter(typeof(DateTimeTypeConverter))]     public DateTime SomeValue {get; set; } } So far though we would need to create a TypeConverter for each primitive type we are using, what if I had the following mad class to support in Xaml:- public class StrangePrimitives {     public Boolean BooleanProp { get; set; }     public Byte ByteProp { get; set; }     public Char CharProp { get; set; }     public DateTime DateTimeProp { get; set; }     public Decimal DecimalProp { get; set; }     public Double DoubleProp { get; set; }     public Int16 Int16Prop { get; set; }     public Int32 Int32Prop { get; set; }     public Int64 Int64Prop { get; set; }     public SByte SByteProp { get; set; }     public Single SingleProp { get; set; }     public String StringProp { get; set; }     public UInt16 UInt16Prop { get; set; }     public UInt32 UInt32Prop { get; set; }     public UInt64 UInt64Prop { get; set; } } Then I want to fill an instance of StrangePrimitives with the following Xaml which of course fails. <local:StrangePrimitives x:Key="MyStrangePrimitives"                          BooleanProp="True"                          ByteProp="156"                          CharProp="A"                          DateTimeProp="06 Jun 2010"                          DecimalProp="123.56"                          DoubleProp="8372.937803"                          Int16Prop="16532"                          Int32Prop="73738248"                          Int64Prop="12345678909298"                          SByteProp="-123"                          SingleProp="39.0"                          StringProp="Hello, World!"                          UInt16Prop="40000"                          UInt32Prop="4294967295"                          UInt64Prop="18446744073709551615"      /> I got to thinking, though, one thing all these primitive types have in common is that they all implement IConvertible so it should be possible to write just one converter to handle them all.  Here it is:- The ConvertibleTypeConverter public class ConvertibleTypeConverter<T> : TypeConverter where T : IConvertible {     public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)     {         return sourceType.GetInterface("IConvertible", false) != null;     }     public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)     {         return destinationType.GetInterface("IConvertible", false) != null;     }     public override object ConvertFrom(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value)     {         return ((IConvertible)value).ToType(typeof(T), culture);     }     public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType)     {         return ((IConvertible)value).ToType(destinationType, culture);     } } I won’t bore you with an explanation of how it works, it simply adapts one existing interface (the IConvertible) and exposes it as another (the TypeConverter).   With that in place the previous strange primitives class can be modified as:- public class StrangePrimitives {     public Boolean BooleanProp { get; set; }     [TypeConverter(typeof(ConvertibleTypeConverter<Byte>))]     public Byte ByteProp { get; set; }     [TypeConverter(typeof(ConvertibleTypeConverter<Char>))]     public Char CharProp { get; set; }     [TypeConverter(typeof(ConvertibleTypeConverter<DateTime>))]     public DateTime DateTimeProp { get; set; }     [TypeConverter(typeof(ConvertibleTypeConverter<Decimal>))]     public Decimal DecimalProp { get; set; }     public Double DoubleProp {get; set; }     [TypeConverter(typeof(ConvertibleTypeConverter<Int16>))]     public Int16 Int16Prop { get; set; }     public Int32 Int32Prop { get; set; }     [TypeConverter(typeof(ConvertibleTypeConverter<Int64>))]     public Int64 Int64Prop { get; set; }     [TypeConverter(typeof(ConvertibleTypeConverter<SByte>))]     public SByte SByteProp { get; set; }     [TypeConverter(typeof(ConvertibleTypeConverter<Single>))]     public Single SingleProp { get; set; }     public String StringProp { get; set; }     [TypeConverter(typeof(ConvertibleTypeConverter<UInt16>))]     public UInt16 UInt16Prop { get; set; }     [TypeConverter(typeof(ConvertibleTypeConverter<UInt32>))]     public UInt32 UInt32Prop { get; set; }     [TypeConverter(typeof(ConvertibleTypeConverter<UInt64>))]     public UInt64 UInt64Prop { get; set; } } This results in the previous Xaml parsing happily.  Now it seems such an obvious thing to do that one may wonder why such a class doesn’t already existing in Silverlight or at least in the SDK.   I would not be surprised if there were some very good reasons hence use the ConvertibleTypeConverter with caution.  It does seem to me to be a useful little class to have lying around in the toolbox for the odd occasion where it may be needed.

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  • Why do System.IO.Log SequenceNumbers have variable length?

    - by Doug McClean
    I'm trying to use the System.IO.Log features to build a recoverable transaction system. I understand it to be implemented on top of the Common Log File System. The usual ARIES approach to write-ahead logging involves persisting log record sequence numbers in places other than the log (for example, in the header of the database page modified by the logged action). Interestingly, the documentation for CLFS says that such sequence numbers are always 64-bit integers. Confusingly, however, the .Net wrapper around those SequenceNumbers can be constructed from a byte[] but not from a UInt64. It's value can also be read as a byte[], but not as a UInt64. Inspecting the implementation of SequenceNumber.GetBytes() reveals that it can in fact return arrays of either 8 or 16 bytes. This raises a few questions: Why do the .Net sequence numbers differ in size from the CLFS sequence numbers? Why are the .Net sequence numbers variable in length? Why would you need 128 bits to represent such a sequence number? It seems like you would truncate the log well before using up a 64-bit address space (16 exbibytes, or around 10^19 bytes, more if you address longer words)? If log sequence numbers are going to be represented as 128 bit integers, why not provide a way to serialize/deserialize them as pairs of UInt64s instead of rather-pointlessly incurring heap allocations for short-lived new byte[]s every time you need to write/read one? Alternatively, why bother making SequenceNumber a value type at all? It seems an odd tradeoff to double the storage overhead of log sequence numbers just so you can have an untruncated log longer than a million terabytes, so I feel like I'm missing something here, or maybe several things. I'd much appreciate it if someone in the know could set me straight.

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  • WMI Remote Process Starting

    - by Goober
    Scenario I've written a WMI Wrapper that seems to be quite sufficient, however whenever I run the code to start a remote process on a server, I see the process name appear in the task manager but the process itself does not start like it should (as in, I don't see the command line log window of the process that prints out what it's doing etc.) The process I am trying to start is just a C# application executable that I have written. Below is my WMI Wrapper Code and the code I am using to start running the process. Question Is the process actually running? - Even if it is only displaying the process name in the task manager and not actually launching the application to the users window? Code To Start The Process IPHostEntry hostEntry = Dns.GetHostEntry("InsertServerName"); WMIWrapper wrapper = new WMIWrapper("Insert User Name", "Insert Password", hostEntry.HostName); List<Process> processes = wrapper.GetProcesses(); foreach (Process process in processes) { if (process.Caption.Equals("MyAppName.exe")) { Console.WriteLine(process.Caption); Console.WriteLine(process.CommandLine); int processId; wrapper.StartProcess("E:\\MyData\\Data\\MyAppName.exe", out processId); Console.WriteLine(processId.ToString()); } } Console.ReadLine(); WMI Wrapper Code using System; using System.Collections.Generic; using System.Management; using System.Runtime.InteropServices; using Common.WMI.Objects; using System.Net; namespace Common.WMIWrapper { public class WMIWrapper : IDisposable { #region Constructor /// <summary> /// Creates a new instance of the wrapper /// </summary> /// <param jobName="username"></param> /// <param jobName="password"></param> /// <param jobName="server"></param> public WMIWrapper(string server) { Initialise(server); } /// <summary> /// Creates a new instance of the wrapper /// </summary> /// <param jobName="username"></param> /// <param jobName="password"></param> /// <param jobName="server"></param> public WMIWrapper(string username, string password, string server) { Initialise(username, password, server); } #endregion #region Destructor /// <summary> /// Clean up unmanaged references /// </summary> ~WMIWrapper() { Dispose(false); } #endregion #region Initialise /// <summary> /// Initialise the WMI Connection (local machine) /// </summary> /// <param name="server"></param> private void Initialise(string server) { m_server = server; // set connection options m_connectOptions = new ConnectionOptions(); IPHostEntry host = Dns.GetHostEntry(Environment.MachineName); } /// <summary> /// Initialise the WMI connection /// </summary> /// <param jobName="username">Username to connect to server with</param> /// <param jobName="password">Password to connect to server with</param> /// <param jobName="server">Server to connect to</param> private void Initialise(string username, string password, string server) { m_server = server; // set connection options m_connectOptions = new ConnectionOptions(); IPHostEntry host = Dns.GetHostEntry(Environment.MachineName); if (host.HostName.Equals(server, StringComparison.OrdinalIgnoreCase)) return; m_connectOptions.Username = username; m_connectOptions.Password = password; m_connectOptions.Impersonation = ImpersonationLevel.Impersonate; m_connectOptions.EnablePrivileges = true; } #endregion /// <summary> /// Return a list of available wmi namespaces /// </summary> /// <returns></returns> public List<String> GetWMINamespaces() { ManagementScope wmiScope = new ManagementScope(String.Format("\\\\{0}\\root", this.Server), this.ConnectionOptions); List<String> wmiNamespaceList = new List<String>(); ManagementClass wmiNamespaces = new ManagementClass(wmiScope, new ManagementPath("__namespace"), null); ; foreach (ManagementObject ns in wmiNamespaces.GetInstances()) wmiNamespaceList.Add(ns["Name"].ToString()); return wmiNamespaceList; } /// <summary> /// Return a list of available classes in a namespace /// </summary> /// <param jobName="wmiNameSpace">Namespace to get wmi classes for</param> /// <returns>List of classes in the requested namespace</returns> public List<String> GetWMIClassList(string wmiNameSpace) { ManagementScope wmiScope = new ManagementScope(String.Format("\\\\{0}\\root\\{1}", this.Server, wmiNameSpace), this.ConnectionOptions); List<String> wmiClasses = new List<String>(); ManagementObjectSearcher wmiSearcher = new ManagementObjectSearcher(wmiScope, new WqlObjectQuery("SELECT * FROM meta_Class"), null); foreach (ManagementClass wmiClass in wmiSearcher.Get()) wmiClasses.Add(wmiClass["__CLASS"].ToString()); return wmiClasses; } /// <summary> /// Get a list of wmi properties for the specified class /// </summary> /// <param jobName="wmiNameSpace">WMI Namespace</param> /// <param jobName="wmiClass">WMI Class</param> /// <returns>List of properties for the class</returns> public List<String> GetWMIClassPropertyList(string wmiNameSpace, string wmiClass) { List<String> wmiClassProperties = new List<string>(); ManagementClass managementClass = GetWMIClass(wmiNameSpace, wmiClass); foreach (PropertyData property in managementClass.Properties) wmiClassProperties.Add(property.Name); return wmiClassProperties; } /// <summary> /// Returns a list of methods for the class /// </summary> /// <param jobName="wmiNameSpace"></param> /// <param jobName="wmiClass"></param> /// <returns></returns> public List<String> GetWMIClassMethodList(string wmiNameSpace, string wmiClass) { List<String> wmiClassMethods = new List<string>(); ManagementClass managementClass = GetWMIClass(wmiNameSpace, wmiClass); foreach (MethodData method in managementClass.Methods) wmiClassMethods.Add(method.Name); return wmiClassMethods; } /// <summary> /// Retrieve the specified management class /// </summary> /// <param jobName="wmiNameSpace">Namespace of the class</param> /// <param jobName="wmiClass">Type of the class</param> /// <returns></returns> public ManagementClass GetWMIClass(string wmiNameSpace, string wmiClass) { ManagementScope wmiScope = new ManagementScope(String.Format("\\\\{0}\\root\\{1}", this.Server, wmiNameSpace), this.ConnectionOptions); ManagementClass managementClass = null; ManagementObjectSearcher wmiSearcher = new ManagementObjectSearcher(wmiScope, new WqlObjectQuery(String.Format("SELECT * FROM meta_Class WHERE __CLASS = '{0}'", wmiClass)), null); foreach (ManagementClass wmiObject in wmiSearcher.Get()) managementClass = wmiObject; return managementClass; } /// <summary> /// Get an instance of the specficied class /// </summary> /// <param jobName="wmiNameSpace">Namespace of the classes</param> /// <param jobName="wmiClass">Type of the classes</param> /// <returns>Array of management classes</returns> public ManagementObject[] GetWMIClassObjects(string wmiNameSpace, string wmiClass) { ManagementScope wmiScope = new ManagementScope(String.Format("\\\\{0}\\root\\{1}", this.Server, wmiNameSpace), this.ConnectionOptions); List<ManagementObject> wmiClasses = new List<ManagementObject>(); ManagementObjectSearcher wmiSearcher = new ManagementObjectSearcher(wmiScope, new WqlObjectQuery(String.Format("SELECT * FROM {0}", wmiClass)), null); foreach (ManagementObject wmiObject in wmiSearcher.Get()) wmiClasses.Add(wmiObject); return wmiClasses.ToArray(); } /// <summary> /// Get a full list of services /// </summary> /// <returns></returns> public List<Service> GetServices() { return GetService(null); } /// <summary> /// Get a list of services /// </summary> /// <returns></returns> public List<Service> GetService(string name) { ManagementObject[] services = GetWMIClassObjects("CIMV2", "WIN32_Service"); List<Service> serviceList = new List<Service>(); for (int i = 0; i < services.Length; i++) { ManagementObject managementObject = services[i]; Service service = new Service(managementObject); service.Status = (string)managementObject["Status"]; service.Name = (string)managementObject["Name"]; service.DisplayName = (string)managementObject["DisplayName"]; service.PathName = (string)managementObject["PathName"]; service.ProcessId = (uint)managementObject["ProcessId"]; service.Started = (bool)managementObject["Started"]; service.StartMode = (string)managementObject["StartMode"]; service.ServiceType = (string)managementObject["ServiceType"]; service.InstallDate = (string)managementObject["InstallDate"]; service.Description = (string)managementObject["Description"]; service.Caption = (string)managementObject["Caption"]; if (String.IsNullOrEmpty(name) || name.Equals(service.Name, StringComparison.OrdinalIgnoreCase)) serviceList.Add(service); } return serviceList; } /// <summary> /// Get a list of processes /// </summary> /// <returns></returns> public List<Process> GetProcesses() { return GetProcess(null); } /// <summary> /// Get a list of processes /// </summary> /// <returns></returns> public List<Process> GetProcess(uint? processId) { ManagementObject[] processes = GetWMIClassObjects("CIMV2", "WIN32_Process"); List<Process> processList = new List<Process>(); for (int i = 0; i < processes.Length; i++) { ManagementObject managementObject = processes[i]; Process process = new Process(managementObject); process.Priority = (uint)managementObject["Priority"]; process.ProcessId = (uint)managementObject["ProcessId"]; process.Status = (string)managementObject["Status"]; DateTime createDate; if (ConvertFromWmiDate((string)managementObject["CreationDate"], out createDate)) process.CreationDate = createDate.ToString("dd-MMM-yyyy HH:mm:ss"); process.Caption = (string)managementObject["Caption"]; process.CommandLine = (string)managementObject["CommandLine"]; process.Description = (string)managementObject["Description"]; process.ExecutablePath = (string)managementObject["ExecutablePath"]; process.ExecutionState = (string)managementObject["ExecutionState"]; process.MaximumWorkingSetSize = (UInt32?)managementObject ["MaximumWorkingSetSize"]; process.MinimumWorkingSetSize = (UInt32?)managementObject["MinimumWorkingSetSize"]; process.KernelModeTime = (UInt64)managementObject["KernelModeTime"]; process.ThreadCount = (UInt32)managementObject["ThreadCount"]; process.UserModeTime = (UInt64)managementObject["UserModeTime"]; process.VirtualSize = (UInt64)managementObject["VirtualSize"]; process.WorkingSetSize = (UInt64)managementObject["WorkingSetSize"]; if (processId == null || process.ProcessId == processId.Value) processList.Add(process); } return processList; } /// <summary> /// Start the specified process /// </summary> /// <param jobName="commandLine"></param> /// <returns></returns> public bool StartProcess(string command, out int processId) { processId = int.MaxValue; ManagementClass processClass = GetWMIClass("CIMV2", "WIN32_Process"); object[] objectsIn = new object[4]; objectsIn[0] = command; processClass.InvokeMethod("Create", objectsIn); if (objectsIn[3] == null) return false; processId = int.Parse(objectsIn[3].ToString()); return true; } /// <summary> /// Schedule a process on the remote machine /// </summary> /// <param name="command"></param> /// <param name="scheduleTime"></param> /// <param name="jobName"></param> /// <returns></returns> public bool ScheduleProcess(string command, DateTime scheduleTime, out string jobName) { jobName = String.Empty; ManagementClass scheduleClass = GetWMIClass("CIMV2", "Win32_ScheduledJob"); object[] objectsIn = new object[7]; objectsIn[0] = command; objectsIn[1] = String.Format("********{0:00}{1:00}{2:00}.000000+060", scheduleTime.Hour, scheduleTime.Minute, scheduleTime.Second); objectsIn[5] = true; scheduleClass.InvokeMethod("Create", objectsIn); if (objectsIn[6] == null) return false; UInt32 scheduleid = (uint)objectsIn[6]; jobName = scheduleid.ToString(); return true; } /// <summary> /// Returns the current time on the remote server /// </summary> /// <returns></returns> public DateTime Now() { ManagementScope wmiScope = new ManagementScope(String.Format("\\\\{0}\\root\\{1}", this.Server, "CIMV2"), this.ConnectionOptions); ManagementClass managementClass = null; ManagementObjectSearcher wmiSearcher = new ManagementObjectSearcher(wmiScope, new WqlObjectQuery(String.Format("SELECT * FROM Win32_LocalTime")), null); DateTime localTime = DateTime.MinValue; foreach (ManagementObject time in wmiSearcher.Get()) { UInt32 day = (UInt32)time["Day"]; UInt32 month = (UInt32)time["Month"]; UInt32 year = (UInt32)time["Year"]; UInt32 hour = (UInt32)time["Hour"]; UInt32 minute = (UInt32)time["Minute"]; UInt32 second = (UInt32)time["Second"]; localTime = new DateTime((int)year, (int)month, (int)day, (int)hour, (int)minute, (int)second); }; return localTime; } /// <summary> /// Converts a wmi date into a proper date /// </summary> /// <param jobName="wmiDate">Wmi formatted date</param> /// <returns>Date time object</returns> private static bool ConvertFromWmiDate(string wmiDate, out DateTime properDate) { properDate = DateTime.MinValue; string properDateString; // check if string is populated if (String.IsNullOrEmpty(wmiDate)) return false; wmiDate = wmiDate.Trim().ToLower().Replace("*", "0"); string[] months = new string[] { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; try { properDateString = String.Format("{0}-{1}-{2} {3}:{4}:{5}.{6}", wmiDate.Substring(6, 2), months[int.Parse(wmiDate.Substring(4, 2)) - 1], wmiDate.Substring(0, 4), wmiDate.Substring(8, 2), wmiDate.Substring(10, 2), wmiDate.Substring(12, 2), wmiDate.Substring(15, 6)); } catch (InvalidCastException) { return false; } catch (ArgumentOutOfRangeException) { return false; } // try and parse the new date if (!DateTime.TryParse(properDateString, out properDate)) return false; // true if conversion successful return true; } private bool m_disposed; #region IDisposable Members /// <summary> /// Managed dispose /// </summary> public void Dispose() { Dispose(true); GC.SuppressFinalize(this); } /// <summary> /// Dispose of managed and unmanaged objects /// </summary> /// <param jobName="disposing"></param> public void Dispose(bool disposing) { if (disposing) { m_connectOptions = null; } } #endregion #region Properties private ConnectionOptions m_connectOptions; /// <summary> /// Gets or sets the management scope /// </summary> private ConnectionOptions ConnectionOptions { get { return m_connectOptions; } set { m_connectOptions = value; } } private String m_server; /// <summary> /// Gets or sets the server to connect to /// </summary> public String Server { get { return m_server; } set { m_server = value; } } #endregion } }

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  • Marshalling non-Blittable Structs from C# to C++

    - by Greggo
    I'm in the process of rewriting an overengineered and unmaintainable chunk of my company's library code that interfaces between C# and C++. I've started looking into P/Invoke, but it seems like there's not much in the way of accessible help. We're passing a struct that contains various parameters and settings down to unmanaged codes, so we're defining identical structs. We don't need to change any of those parameters on the C++ side, but we do need to access them after the P/Invoked function has returned. My questions are: What is the best way to pass strings? Some are short (device id's which can be set by us), and some are file paths (which may contain Asian characters) Should I pass an IntPtr to the C# struct or should I just let the Marshaller take care of it by putting the struct type in the function signature? Should I be worried about any non-pointer datatypes like bools or enums (in other, related structs)? We have the treat warnings as errors flag set in C++ so we can't use the Microsoft extension for enums to force a datatype. Is P/Invoke actually the way to go? There was some Microsoft documentation about Implicit P/Invoke that said it was more type-safe and performant. For reference, here is one of the pairs of structs I've written so far: C++ /** Struct used for marshalling Scan parameters from managed to unmanaged code. */ struct ScanParameters { LPSTR deviceID; LPSTR spdClock; LPSTR spdStartTrigger; double spinRpm; double startRadius; double endRadius; double trackSpacing; UINT64 numTracks; UINT32 nominalSampleCount; double gainLimit; double sampleRate; double scanHeight; LPWSTR qmoPath; //includes filename LPWSTR qzpPath; //includes filename }; C# /// <summary> /// Struct used for marshalling scan parameters between managed and unmanaged code. /// </summary> [StructLayout(LayoutKind.Sequential)] public struct ScanParameters { [MarshalAs(UnmanagedType.LPStr)] public string deviceID; [MarshalAs(UnmanagedType.LPStr)] public string spdClock; [MarshalAs(UnmanagedType.LPStr)] public string spdStartTrigger; public Double spinRpm; public Double startRadius; public Double endRadius; public Double trackSpacing; public UInt64 numTracks; public UInt32 nominalSampleCount; public Double gainLimit; public Double sampleRate; public Double scanHeight; [MarshalAs(UnmanagedType.LPWStr)] public string qmoPath; [MarshalAs(UnmanagedType.LPWStr)] public string qzpPath; }

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  • Checking type sizes in C with macros.

    - by Seisatsu
    I'm writing a program that needs to have unsigned types with definite sizes. I need a uint8, uint16, uint32, and uint64, and I need them defined in types.h, in a way that they will always be defined correctly regardless of platform. My question is, how can I check the sizes of different types on each platform using preprocessor macros, so that I can define my custom types correctly in the types.h header?

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  • How to input 64-bit hex values in octave

    - by Chris Ashton
    I'm trying to use Octave as a programmer's calculator. I want to input a 64-bit pointer, but when I do apparently the 64-bit value gets silently truncated to 32-bit: octave:44> base_ptr=0x1010101020202020 base_ptr = 538976288 octave:45> uint64(base_ptr) ans = 538976288 octave:46> printf("%lx\n", base_ptr) 20202020 So it seems like it's truncated the input value to the low 32-bits. I would use scanf, but the docs say it should only be used internally. How can I input the full 64-bit value? Alternately, is there some awesome free programmer's calculator out there for Windows? (I know Windows calculator has a programmer's mode but I would like arbitrary variable support). I tried using my ti-89 but it also doesn't support 64-bit hex.

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  • What is the structure of network managers system-connections files?

    - by Oyks Livede
    could anyone list the complete structure of the configuration files, which network manager stores for known networks in /etc/NetworkManager/system-connections for known networks? Sample (filename askUbuntu): [connection] id=askUbuntu uuid=81255b2e-bdf1-4bdb-b6f5-b94ef16550cd type=802-11-wireless [802-11-wireless] ssid=askUbuntu mode=infrastructure mac-address=00:08:CA:E6:76:D8 [ipv6] method=auto [ipv4] method=auto I would like to create some of them by my own using a script. However, before doing so I would like to know every possible option. Furthermore, this structure seems somehow to resemble the information you can get using the dbus for active connections. dbus-send --system --print-reply \ --dest=org.freedesktop.NetworkManager \ "$active_setting_path" \ # /org/freedesktop/NetworkManager/Settings/2 org.freedesktop.NetworkManager.Settings.Connection.GetSettings Will tell you: array [ dict entry( string "802-11-wireless" array [ dict entry( string "ssid" variant array of bytes "askUbuntu" ) dict entry( string "mode" variant string "infrastructure" ) dict entry( string "mac-address" variant array of bytes [ 00 08 ca e6 76 d8 ] ) dict entry( string "seen-bssids" variant array [ string "02:1A:11:F8:C5:64" string "02:1A:11:FD:1F:EA" ] ) ] ) dict entry( string "connection" array [ dict entry( string "id" variant string "askUbuntu" ) dict entry( string "uuid" variant string "81255b2e-bdf1-4bdb-b6f5-b94ef16550cd" ) dict entry( string "timestamp" variant uint64 1383146668 ) dict entry( string "type" variant string "802-11-wireless" ) ] ) dict entry( string "ipv4" array [ dict entry( string "addresses" variant array [ ] ) dict entry( string "dns" variant array [ ] ) dict entry( string "method" variant string "auto" ) dict entry( string "routes" variant array [ ] ) ] ) dict entry( string "ipv6" array [ dict entry( string "addresses" variant array [ ] ) dict entry( string "dns" variant array [ ] ) dict entry( string "method" variant string "auto" ) dict entry( string "routes" variant array [ ] ) ] ) ] I can create new setting files using the dbus (AddSettings() in /org/freedesktop/NetworkManager/Settings) passing this type of input, so explaining me this structure and telling me all possible options will also help. Afaik, this is a Dictionary{String, Dictionary{String, Variant}}. Will there be any difference creating config files directly or using the dbus?

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  • NHibernate CreateSQLQuery data conversion from bit to boolean error

    - by RemotecUk
    Hi, Im being a bit lazy in NHibernate and using Session.CreateSqlQuery(...) instead of doing the whole thing with Lambda's. Anyway what struct me is that there seems to be a problem converting some of the types returned from (in this case the MySQL) DB into native .Net tyes. The query in question looks like this.... IList<Client> allocatableClients = Session.CreateSQLQuery( "select clients.id as Id, clients.name as Name, clients.customercode as CustomerCode, clients.superclient as SuperClient, clients.clienttypeid as ClientType " + ... ... .SetResultTransformer(new NHibernate.Transform.AliasToBeanResultTransformer(typeof(Client))).List<Client>(); The type in the database of SuperClient is a bit(1) and in the Client object the type is a bool. The error received is: System.ArgumentException: Object of type 'System.UInt64' cannot be converted to type 'System.Boolean'. It seems strange that this conversion cannot be completed. Would be greatful for any ideas. Thanks.

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  • Documenting using Sandcastle: Refering to enum value using <see>

    - by brickner
    I'm using Sandcastle 2.4.10520 and Sandcastle Help File Builder 1.8.0 to generate a .chm help file. In my documentation, I'm using <see> tags. If I try to refer an enum like <see cref="NumberStyles"/> it works perfectly. If I try to refer an enum value like <see cref="NumberStyles.AllowTrailingWhite"/> I get a link in the documentation file, but the link leads me to an MSDN Page not found I don't get any warnings - my xml documentation is correct. I've noticed that MSDN pages that refer to an enum value also have a Page not found link. For example: UInt64.Parse Method (String, NumberStyles, IFormatProvider) refers to NumberStyles.AllowHexSpecifier and this leads to another MSDN Page not found. Should I refer to the enum instead of the enum value? What should I do to refer an enum? Is it even possible?

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  • GetDC() DllImport for x64 apps

    - by devdept
    If you make a little research on the internet you'll see many DLLImport styles for this user32.dll function: HDC GetDC(HWND hWnd); The question is: what type is more appropriate for .NET x64 apps (either compiled with the Platform target as AnyCPU on a x64 machine or specifically as x64)? IntPtr for example grows to a size of 8 on a x64 process, can this be a problem? Is uint more appropriate than Uint64? What is the size of the pointers this function uses when used in a x64 process? The DLL is called user32.dll does it work as 32bit or 64bit on a x64 operating system? [DllImport("user32.dll",EntryPoint="GetDC")] public static extern IntPtr GetDC(IntPtr hWnd); public static extern uint GetDC(uint hWnd); public static extern int GetDC(int hWnd); Thanks!

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  • Assigning large UInt32 constants in VB.Net

    - by Kumba
    I inquired on VB's erratic behavior of treating all numerics as signed types back in this question, and from the accepted answer there, was able to get by. Per that answer: Visual Basic Literals Also keep in mind you can add literals to your code in VB.net and explicitly state constants as unsigned. So I tried this: Friend Const POW_1_32 As UInt32 = 4294967296UI And VB.NET throws an Overflow error in the IDE. Pulling out the integer overflow checks doesn't seem to help -- this appears to be a flaw in the IDE itself. This, however, doesn't generate an error: Friend Const POW_1_32 As UInt64 = 4294967296UL So this suggests to me that the IDE isn't properly parsing the code and understanding the difference between Int32 and UInt32. Any suggested workarounds and/or possible clues on when MS will make unsigned data types intrinsic to the framework instead of the hacks they currently are?

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  • Why doesn't infinite recursion hit a stack overflow exception in F#?

    - by Amazingant
    I know this is somewhat the reverse of the issue people are having when they ask about a stack overflow issue, but if I create a function and call it as follows, I never receive any errors, and the application simply grinds up a core of my CPU until I force-quit it: let rec recursionTest x = recursionTest x recursionTest 1 Of course I can change this out so it actually does something like this: let rec recursionTest (x: uint64) = recursionTest (x + 1UL) recursionTest 0UL This way I can occasionally put a breakpoint in my code and see the value of x is going up rather quickly, but it still doesn't complain. Does F# not mind infinite recursion?

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  • Silverlight Cream for November 13, 2011 -- #1166

    - by Dave Campbell
    In this Issue: Pontus Wittenmark, Jeff Blankenburg(-2-), Colin Eberhardt, Charles Petzold, Dhananjay Kumar, Igor, Beth Massi, Kunal Chowdhury(-2-), Shawn Wildermuth, XAMLNinja, and Peter Kuhn(-2-). Above the Fold: Silverlight: "Silverlight Page Navigation Framework - Learn about UriMapper" Kunal Chowdhury WP7: "31 Days of Mango" Jeff Blankenburg WinRT/Metro/W8: "An Introduction to Semantic Zoom in Windows 8 Metro" Colin Eberhardt LightSwitch: "Common Validation Rules in LightSwitch Business Applications" Beth Massi Shoutouts: Michael Palermo's latest Desert Mountain Developers is up Michael Washington's latest Visual Studio #LightSwitch Daily is up From SilverlightCream.com: 10 tips about porting Silverlight apps to WinRT/Metro style apps (Part 1) Pontus Wittenmark spent some time porting his Silverlight game to WinRT and says it was easier than expected. He has posted 10 tips for porting... and promises more 31 Days of Mango Looks like Jeff Blankenburg started another 31 days series... this one on Mango dev... and looks like I'm late to the party, but that's ok, gives me more stuff to blog about... this time you can get the posts by email, and he has a hashtag for discussion too 31 Days of Mango | Day #1: The New Windows Phone Emulator Tools Day 1 of Jeff Blankenburg's journey is this post on what's new in the emulator tools. An Introduction to Semantic Zoom in Windows 8 Metro This is Colin Eberhardt's latest ... getting familiar with semantic zoom oin Metro by creating a WP7-stylke jumplist experience.... check out the video on his blogpost for a better idea of what he's up to .NET Streams and Windows 8 IStreams In his first real post on his new series writing an EPUB viewer for W8, Charles Petzold described using IInputStream to get the contents of a disk file... and source for the project in progress Video on How to work with Page Navigation and Back Button in Windows Phone 7 Dhananjay Kumar has a video tutorial up on Page Navigation and Back Button usage in WP7 Screen capture to media library instead of isolated storage Igor discusses a class that lets you save screen captures for use in your application and also saving them to the media library on the phone Common Validation Rules in LightSwitch Business Applications Beth Massi's latest is this LightSwitch post on Validation rules... showing how to define declarative rules and also write custom validation code. Silverlight Page Navigation Framework - Learn about UriMapper Kunal Chowdhury continues his Page Navigation discussion with this post on the UriMapper, and how to hide the actual URL of the page you're navigating to How to use PlaySoundAction Behavior in WP7 Application? Kunal Chowdhury also has this post up on using the PlaySoundAction Behavior in WP7 ... nice tutorial on using Blend to get the job done What Win8 Should Learn from Windows Phone After spending time with Windows 8, Shawn Wildermuth has this post up about features from WP7 that should be brought over to Windows 8, and finishes with features that WP8 (?) could learn from Win8 too WP7Contrib – FindaPad and the fastest list in the west XAMLNinja discusses the WP7 App FindaPad which spawned the creation of WP7Contrib and uses the app to describe some nuances that may not be readily obvious. Windows Phone 7: The kind of bug you don't want to discover Peter Kuhn discusses a problem he came across while programming WP7, interestingly enough, only in the emulator, and has to do with a Uint64 cast. He does offer a workaround. Announcing: Your Last About Dialog (YLAD) Peter Kuhn also has this post up that's a take-off on a post by Jeff Wilcox about a generic About Dialog. Peter has some great additions.. and he's right... it may be your last About Dialog... get it via NuGet, too! Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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  • Sharepoint Error: [COMException (0x80004005): Cannot complete this action.

    - by ifunky
    Hi, I've created a site basic definition that uses different master and default pages. Everything works quite well except for whenever I create a new site based on the definition I receive the following error when browsing to the new site: [COMException (0x80004005): Cannot complete this action. Please try again.] Please try again.] Microsoft.SharePoint.Library.SPRequestInternalClass.GetFileAndMetaInfo(String bstrUrl, Byte bPageView, Byte bPageMode, Byte bGetBuildDependencySet, String bstrCurrentFolderUrl, Boolean& pbCanCustomizePages, Boolean& pbCanPersonalizeWebParts, Boolean& pbCanAddDeleteWebParts, Boolean& pbGhostedDocument, Boolean& pbDefaultToPersonal, String& pbstrSiteRoot, Guid& pgSiteId, UInt32& pdwVersion, String& pbstrTimeLastModified, String& pbstrContent, Byte& pVerGhostedSetupPath, UInt32& pdwPartCount, Object& pvarMetaData, Object& pvarMultipleMeetingDoclibRootFolders, String& pbstrRedirectUrl, Boolean& pbObjectIsList, Guid& pgListId, UInt32& pdwItemId, Int64& pllListFlags, Boolean& pbAccessDenied, Guid& pgDocId, Byte& piLevel, UInt64& ppermMask, Object& pvarBuildDependencySet, UInt32& pdwNumBuildDependencies, Object& pvarBuildDependencies, String& pbstrFolderUrl, String& pbstrContentTypeOrder) +0 Microsoft.SharePoint.Library.SPRequest.GetFileAndMetaInfo(String bstrUrl, Byte bPageView, Byte bPageMode, Byte bGetBuildDependencySet, String bstrCurrentFolderUrl, Boolean& pbCanCustomizePages, Boolean& pbCanPersonalizeWebParts, Boolean& pbCanAddDeleteWebParts, Boolean& pbGhostedDocument, Boolean& pbDefaultToPersonal, String& pbstrSiteRoot, Guid& pgSiteId, UInt32& pdwVersion, String& pbstrTimeLastModified, String& pbstrContent, Byte& pVerGhostedSetupPath, UInt32& pdwPartCount, Object& pvarMetaData, Object& pvarMultipleMeetingDoclibRootFolders, String& pbstrRedirectUrl, Boolean& pbObjectIsList, Guid& pgListId, UInt32& pdwItemId, Int64& pllListFlags, Boolean& pbAccessDenied, Guid& pgDocId, Byte& piLevel, UInt64& ppermMask, Object& pvarBuildDependencySet, UInt32& pdwNumBuildDependencies, Object& pvarBuildDependencies, String& pbstrFolderUrl, String& pbstrContentTypeOrder) +219 [SPException: Cannot complete this action. Please try again.] I'm able to work around this by checking out the new master page and checking it back in again and after doing so there are no further issues at all. Any ideas to what could cause this? Thanks Dan ONET.XML module section: <Modules> <Module Name="CustomMasterPage" List="116" Url="_catalogs/masterpage" RootWebOnly="FALSE"> <File Url="Shoes.master" Type="GhostableInLibrary" IgnoreIfAlreadyExists="TRUE" /> </Module> <Module Name="Default" List="116" Url=""> <File Url="default.aspx" Name="default.aspx" NavBarHome="True" IgnoreIfAlreadyExists="FALSE"> <AllUsersWebPart WebPartZoneID="Left" WebPartOrder="1"> &lt;webParts&gt;&lt;webPart xmlns="http://schemas.microsoft.com/WebPart/v3"&gt;&lt;metaData&gt;&lt;type name="BCM.SharePoint.Shoes.ShoesComponents.FooterLinks, BCM.SharePoint.Shoes.ShoesComponents, Version=1.0.0.0, Culture=neutral, PublicKeyToken=2881713f39360b71" /&gt;&lt;importErrorMessage&gt;Cannot import this Web Part.&lt;/importErrorMessage&gt;&lt;/metaData&gt;&lt;data&gt;&lt;properties&gt;&lt;property name="AllowClose" type="bool"&gt;True&lt;/property&gt;&lt;property name="Width" type="string" /&gt;&lt;property name="MyProperty" type="string"&gt;Hello SharePoint&lt;/property&gt;&lt;property name="AllowMinimize" type="bool"&gt;True&lt;/property&gt;&lt;property name="AllowConnect" type="bool"&gt;True&lt;/property&gt;&lt;property name="ChromeType" type="chrometype"&gt;None&lt;/property&gt;&lt;property name="TitleIconImageUrl" type="string"&gt;/_layouts/images/BCM_SharePoint_Shoes/wp_FooterLinks.gif&lt;/property&gt;&lt;property name="Description" type="string"&gt;FooterLinks Description&lt;/property&gt;&lt;property name="Hidden" type="bool"&gt;False&lt;/property&gt;&lt;property name="TitleUrl" type="string" /&gt;&lt;property name="AllowEdit" type="bool"&gt;True&lt;/property&gt;&lt;property name="Height" type="string" /&gt;&lt;property name="MissingAssembly" type="string"&gt;Cannot import this Web Part.&lt;/property&gt;&lt;property name="HelpUrl" type="string" /&gt;&lt;property name="Title" type="string" /&gt;&lt;property name="CatalogIconImageUrl" type="string"&gt;/_layouts/images/BCM_SharePoint_Shoes/wp_FooterLinks.gif&lt;/property&gt;&lt;property name="Direction" type="direction"&gt;NotSet&lt;/property&gt;&lt;property name="ChromeState" type="chromestate"&gt;Normal&lt;/property&gt;&lt;property name="AllowZoneChange" type="bool"&gt;True&lt;/property&gt;&lt;property name="AllowHide" type="bool"&gt;True&lt;/property&gt;&lt;property name="HelpMode" type="helpmode"&gt;Modeless&lt;/property&gt;&lt;property name="ExportMode" type="exportmode"&gt;All&lt;/property&gt;&lt;/properties&gt;&lt;/data&gt;&lt;/webPart&gt;&lt;/webParts&gt; </AllUsersWebPart> <AllUsersWebPart WebPartZoneID="Left" WebPartOrder="0"> &lt;webParts&gt;&lt;webPart xmlns="http://schemas.microsoft.com/WebPart/v3"&gt;&lt;metaData&gt;&lt;type name="BCM.SharePoint.Shoes.ShoesComponents.SubFooterLinks, BCM.SharePoint.Shoes.ShoesComponents, Version=1.0.0.0, Culture=neutral, PublicKeyToken=2881713f39360b71" /&gt;&lt;importErrorMessage&gt;Cannot import this Web Part.&lt;/importErrorMessage&gt;&lt;/metaData&gt;&lt;data&gt;&lt;properties&gt;&lt;property name="AllowClose" type="bool"&gt;True&lt;/property&gt;&lt;property name="Width" type="string" /&gt;&lt;property name="MyProperty" type="string"&gt;Hello SharePoint&lt;/property&gt;&lt;property name="AllowMinimize" type="bool"&gt;True&lt;/property&gt;&lt;property name="AllowConnect" type="bool"&gt;True&lt;/property&gt;&lt;property name="ChromeType" type="chrometype"&gt;None&lt;/property&gt;&lt;property name="TitleIconImageUrl" type="string"&gt;/_layouts/images/BCM_SharePoint_Shoes/wp_SubFooterLinks.gif&lt;/property&gt;&lt;property name="Description" type="string"&gt;Shoes home page links (under the hero image)&lt;/property&gt;&lt;property name="Hidden" type="bool"&gt;False&lt;/property&gt;&lt;property name="TitleUrl" type="string" /&gt;&lt;property name="AllowEdit" type="bool"&gt;True&lt;/property&gt;&lt;property name="Height" type="string" /&gt;&lt;property name="MissingAssembly" type="string"&gt;Cannot import this Web Part.&lt;/property&gt;&lt;property name="HelpUrl" type="string" /&gt;&lt;property name="Title" type="string" /&gt;&lt;property name="CatalogIconImageUrl" type="string"&gt;/_layouts/images/BCM_SharePoint_Shoes/wp_SubFooterLinks.gif&lt;/property&gt;&lt;property name="Direction" type="direction"&gt;NotSet&lt;/property&gt;&lt;property name="ChromeState" type="chromestate"&gt;Normal&lt;/property&gt;&lt;property name="AllowZoneChange" type="bool"&gt;True&lt;/property&gt;&lt;property name="AllowHide" type="bool"&gt;True&lt;/property&gt;&lt;property name="HelpMode" type="helpmode"&gt;Modeless&lt;/property&gt;&lt;property name="ExportMode" type="exportmode"&gt;All&lt;/property&gt;&lt;/properties&gt;&lt;/data&gt;&lt;/webPart&gt;&lt;/webParts&gt; </AllUsersWebPart> <NavBarPage Name="$Resources:core,nav_Home;" ID="1002" Position="Start" /> <NavBarPage Name="$Resources:core,nav_Home;" ID="0" Position="Start" /> </File> </Module> </Modules> LOG OUTPUT: 05/21/2010 12:22:55.11 w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services General 72nz Medium Videntityinfo::isFreshToken reported failure. 05/21/2010 12:22:55.19 w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services Fields 88yv Medium Creating default lists 05/21/2010 12:22:55.19 w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services General 72lp Medium Creating directory Lists 05/21/2010 12:22:55.26 w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services Fields 88yf Medium Creating list "Master Page Gallery" in web "http://mmm-dev-ll/sites/Shoes/test" at URL "_catalogs/masterpage", (setuppath: "C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\12\Template\global\lists\mplib") 05/21/2010 12:22:55.28 w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services Fields 88y1 Medium No document templates uploaded for list "Master Page Gallery" -- none found for list template "100". 05/21/2010 12:22:55.28 w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services General 72kc Medium Failed to find generic XML file at "C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\12\Template\xml\onet.xml", falling back to global site definition. 05/21/2010 12:22:56.22 w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services Fields 88yz Medium Creating default modules at URL "http://mmm-dev-ll/sites/Shoes/test" 05/21/2010 12:22:56.22 w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services General 8e27 Medium Ensuring module folder _catalogs/masterpage 05/21/2010 12:22:56.89 w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services General 72h7 Medium Applying template "SubSite#1" to web at URL "http://mmm-dev-ll/sites/Shoes/test". 05/21/2010 12:22:57.09 w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services Fields 88yy Medium Activating web-scoped features for template "SubSite#1" at URL "http://mmm-dev-ll/sites/Shoes/test" 05/21/2010 12:22:57.12 w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services General 8l1c Medium Preparing 20 features for activation 05/21/2010 12:22:57.14 w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services General 8l1d Medium Feature Activation: Batch Activating Features at URL http://mmm-dev-ll/sites/Shoes/test 'AnnouncementsList' (ID: '00bfea71-d1ce-42de-9c63-a44004ce0104'), 'ContactsList' (ID: '00bfea71-7e6d-4186-9ba8-c047ac750105'), 'CustomList' (ID: '00bfea71-de22-43b2-a848-c05709900100'), 'DataSourceLibrary' (ID: '00bfea71-f381-423d-b9d1-da7a54c50110'), 'DiscussionsList' (ID: '00bfea71-6a49-43fa-b535-d15c05500108'), 'DocumentLibrary' (ID: '00bfea71-e717-4e80-aa17-d0c71b360101'), 'EventsList' (ID: '00bfea71-ec85-4903-972d-ebe475780106'), 'GanttTasksList' (ID: '00bfea71-513d-4ca0-96c2-6a47775c0119'), 'GridList' (ID: '00bfea71-3a1d-41d3-a0ee-651d11570120'), 'IssuesList' (ID: '00bfea71-5932-4f9c-ad71-1557e5751100'), 'LinksList' (ID: '00bfea71-2062-426c-90bf-714c59600103'), 'NoCodeWorkflowLibrary' (ID: '00bfe... 05/21/2010 12:22:57.14* w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services General 8l1d Medium ...a71-f600-43f6-a895-40c0de7b0117'), 'PictureLibrary' (ID: '00bfea71-52d4-45b3-b544-b1c71b620109'), 'SurveysList' (ID: '00bfea71-eb8a-40b1-80c7-506be7590102'), 'TasksList' (ID: '00bfea71-a83e-497e-9ba0-7a5c597d0107'), 'WebPageLibrary' (ID: '00bfea71-c796-4402-9f2f-0eb9a6e71b18'), 'workflowProcessList' (ID: '00bfea71-2d77-4a75-9fca-76516689e21a'), 'WorkflowHistoryList' (ID: '00bfea71-4ea5-48d4-a4ad-305cf7030140'), 'XmlFormLibrary' (ID: '00bfea71-1e1d-4562-b56a-f05371bb0115'), 'TeamCollab' (ID: '00bfea71-4ea5-48d4-a4ad-7ea5c011abe5'), . 05/21/2010 12:22:57.15 w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services General 8l1f Medium Feature Activation: Batch Activated Features at URL http://mmm-dev-ll/sites/Shoes/test 'AnnouncementsList' (ID: '00bfea71-d1ce-42de-9c63-a44004ce0104'), 'ContactsList' (ID: '00bfea71-7e6d-4186-9ba8-c047ac750105'), 'CustomList' (ID: '00bfea71-de22-43b2-a848-c05709900100'), 'DataSourceLibrary' (ID: '00bfea71-f381-423d-b9d1-da7a54c50110'), 'DiscussionsList' (ID: '00bfea71-6a49-43fa-b535-d15c05500108'), 'DocumentLibrary' (ID: '00bfea71-e717-4e80-aa17-d0c71b360101'), 'EventsList' (ID: '00bfea71-ec85-4903-972d-ebe475780106'), 'GanttTasksList' (ID: '00bfea71-513d-4ca0-96c2-6a47775c0119'), 'GridList' (ID: '00bfea71-3a1d-41d3-a0ee-651d11570120'), 'IssuesList' (ID: '00bfea71-5932-4f9c-ad71-1557e5751100'), 'LinksList' (ID: '00bfea71-2062-426c-90bf-714c59600103'), 'NoCodeWorkflowLibrary' (ID: '00bfea... 05/21/2010 12:22:57.15* w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services General 8l1f Medium ...71-f600-43f6-a895-40c0de7b0117'), 'PictureLibrary' (ID: '00bfea71-52d4-45b3-b544-b1c71b620109'), 'SurveysList' (ID: '00bfea71-eb8a-40b1-80c7-506be7590102'), 'TasksList' (ID: '00bfea71-a83e-497e-9ba0-7a5c597d0107'), 'WebPageLibrary' (ID: '00bfea71-c796-4402-9f2f-0eb9a6e71b18'), 'workflowProcessList' (ID: '00bfea71-2d77-4a75-9fca-76516689e21a'), 'WorkflowHistoryList' (ID: '00bfea71-4ea5-48d4-a4ad-305cf7030140'), 'XmlFormLibrary' (ID: '00bfea71-1e1d-4562-b56a-f05371bb0115'), 'TeamCollab' (ID: '00bfea71-4ea5-48d4-a4ad-7ea5c011abe5'), . 05/21/2010 12:22:57.15 w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services General 88jb Medium Feature Activation: Activating Feature 'RadEditorFeatureRichText' (ID: '747755cd-d060-4663-961c-9b0cc43724e9') at URL http://mmm-dev-ll/sites/Shoes/test. 05/21/2010 12:22:57.15 w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services General 75fb Medium Calling 'FeatureActivated' method of SPFeatureReceiver for Feature 'RadEditorFeatureRichText' (ID: '747755cd-d060-4663-961c-9b0cc43724e9'). 05/21/2010 12:22:57.20 w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services General 75f8 Medium Feature Activation: Feature 'RadEditorFeatureRichText' (ID: '747755cd-d060-4663-961c-9b0cc43724e9') was activated at URL http://mmm-dev-ll/sites/Shoes/test. 05/21/2010 12:22:57.51 w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services Fields 88yv Medium Creating default lists 05/21/2010 12:22:57.51 w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services General 72lp Medium Creating directory Lists 05/21/2010 12:22:57.51 w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services Fields 88yz Medium Creating default modules at URL "http://mmm-dev-ll/sites/Shoes/test" 05/21/2010 12:22:57.51 w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services General 8e27 Medium Ensuring module folder _catalogs/masterpage 05/21/2010 12:22:57.56 w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services General 72ix Medium Not enough information to determine a list for module "Default". Assuming no list for this module. 05/21/2010 12:22:57.87 w3wp.exe (0x1E40) 0x18A4 Windows SharePoint Services General 72h8 Medium Successfully applied template "SubSite#1" to web at URL "http://mmm-dev-ll/sites/Shoes/test". 05/21/2010 12:22:59.48 w3wp.exe (0x1E40) 0x0980 Windows SharePoint Services General 8e2s Medium Unknown SPRequest error occurred. More information: 0x80070057 05/21/2010 12:23:07.06 OWSTIMER.EXE (0x0884) 0x106C Office Server Setup and Upgrade 8u3j High Registry key value {SearchThrottled} was not found under registry hive {Software\Microsoft\Office Server\12.0}. Assuming search sku is not throttled. 05/21/2010 12:23:07.08 OWSTIMER.EXE (0x0884) 0x106C Search Server Common MS Search Administration 90gf Medium SQL: dbo.proc_MSS_PropagationGetQueryServers 05/21/2010 12:23:07.09 OWSTIMER.EXE (0x0884) 0x106C Search Server Common MS Search Administration 8wni High Resuming default catalog with reason 'GPR_PROPAGATION' for application 'SharedServices1'... 05/21/2010 12:23:07.11 OWSTIMER.EXE (0x0884) 0x106C Search Server Common MS Search Administration 8wnj High Resuming anchor text catalog with reason GPR_PROPAGATION' for application 'SharedServices1'... 05/21/2010 12:23:07.14 OWSTIMER.EXE (0x0884) 0x106C Search Server Common MS Search Administration 8dvl Medium Search application '3c6751cc-37b0-470a-bfa2-bfd0b5635fe1': Provision start addresses in default content source. 05/21/2010 12:23:07.15 OWSTIMER.EXE (0x0884) 0x106C Search Server Common MS Search Administration 7hmh High exception in SearchUpgradeProvisioner Keyword Config System.InvalidOperationException: jobServerSearchServiceInstance is null at Microsoft.Office.Server.Search.Administration.SearchUpgradeProvisioner..ctor(SearchServiceInstance searchServiceInstance) at Microsoft.Office.Server.Search.Administration.OSSPrimaryGathererProject.ProvisionContentSources() 05/21/2010 12:23:29.19 OWSTIMER.EXE (0x0884) 0x0FFC SharePoint Portal Server Business Data 79bv High Initiating BDC Cache Invalidation Check in AppDomain 'DefaultDomain' 05/21/2010 12:23:29.19 OWSTIMER.EXE (0x0884) 0x0FFC SharePoint Portal Server Business Data 79bx High Completed BDC Cache Invalidation Check in AppDomain 'DefaultDomain' 05/21/2010 12:23:45.84 OWSTIMER.EXE (0x0884) 0x08A8 SharePoint Portal Server SSO 8inc Medium In SSOService::Synch(), sso database conn string: 05/21/2010 12:23:50.80 OWSTIMER.EXE (0x0884) 0x0F14 Excel Services Excel Services Administration 8tqi Medium ExcelServerSharedWebApplication.Synchronize: Starting synchronize for instance of Excel Services in SSP 'SharedServices1'. 05/21/2010 12:23:50.80 OWSTIMER.EXE (0x0884) 0x0F14 Excel Services Excel Services Administration 8tqj Medium ExcelServerSharedWebApplication.Synchronize: Successfully synchronized instance of Excel Services in SSP 'SharedServices1'. 05/21/2010 12:23:52.31 w3wp.exe (0x1E40) 0x0980 SharePoint Portal Server Runtime 8gp7 Medium Topology cache updated. (AppDomain: /LM/W3SVC/1963195510/Root-1-129188762904047141)

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  • IXmlSerializable Dictionary

    - by Shimmy
    I was trying to create a generic Dictionary that implements IXmlSerializable. Here is my trial: Sub Main() Dim z As New SerializableDictionary(Of String, String) z.Add("asdf", "asd") Console.WriteLine(z.Serialize) End Sub Result: <?xml version="1.0" encoding="utf-16"?><Entry key="asdf" value="asd" /> I placed a breakpoint on top of the WriteXml method and I see that when it stops, the writer contains no data at all, and IMHO it should contain the root element and the xml declaration. <Serializable()> _ Public Class SerializableDictionary(Of TKey, TValue) : Inherits Dictionary(Of TKey, TValue) : Implements IXmlSerializable Private Const EntryString As String = "Entry" Private Const KeyString As String = "key" Private Const ValueString As String = "value" Private Shared ReadOnly AttributableTypes As Type() = New Type() {GetType(Boolean), GetType(Byte), GetType(Char), GetType(DateTime), GetType(Decimal), GetType(Double), GetType([Enum]), GetType(Guid), GetType(Int16), GetType(Int32), GetType(Int64), GetType(SByte), GetType(Single), GetType(String), GetType(TimeSpan), GetType(UInt16), GetType(UInt32), GetType(UInt64)} Private Shared ReadOnly GetIsAttributable As Predicate(Of Type) = Function(t) AttributableTypes.Contains(t) Private Shared ReadOnly IsKeyAttributable As Boolean = GetIsAttributable(GetType(TKey)) Private Shared ReadOnly IsValueAttributable As Boolean = GetIsAttributable(GetType(TValue)) Private Shared ReadOnly GetElementName As Func(Of Boolean, String) = Function(isKey) If(isKey, KeyString, ValueString) Public Function GetSchema() As System.Xml.Schema.XmlSchema Implements System.Xml.Serialization.IXmlSerializable.GetSchema Return Nothing End Function Public Sub WriteXml(ByVal writer As XmlWriter) Implements IXmlSerializable.WriteXml For Each entry In Me writer.WriteStartElement(EntryString) WriteData(IsKeyAttributable, writer, True, entry.Key) WriteData(IsValueAttributable, writer, False, entry.Value) writer.WriteEndElement() Next End Sub Private Sub WriteData(Of T)(ByVal attributable As Boolean, ByVal writer As XmlWriter, ByVal isKey As Boolean, ByVal value As T) Dim name = GetElementName(isKey) If attributable Then writer.WriteAttributeString(name, value.ToString) Else Dim serializer As New XmlSerializer(GetType(T)) writer.WriteStartElement(name) serializer.Serialize(writer, value) writer.WriteEndElement() End If End Sub Public Sub ReadXml(ByVal reader As XmlReader) Implements IXmlSerializable.ReadXml Dim empty = reader.IsEmptyElement reader.Read() If empty Then Exit Sub Clear() While reader.NodeType <> XmlNodeType.EndElement While reader.NodeType = XmlNodeType.Whitespace reader.Read() Dim key = ReadData(Of TKey)(IsKeyAttributable, reader, True) Dim value = ReadData(Of TValue)(IsValueAttributable, reader, False) Add(key, value) If Not IsKeyAttributable AndAlso Not IsValueAttributable Then reader.ReadEndElement() Else reader.Read() While reader.NodeType = XmlNodeType.Whitespace reader.Read() End While End While reader.ReadEndElement() End While End Sub Private Function ReadData(Of T)(ByVal attributable As Boolean, ByVal reader As XmlReader, ByVal isKey As Boolean) As T Dim name = GetElementName(isKey) Dim type = GetType(T) If attributable Then Return Convert.ChangeType(reader.GetAttribute(name), type) Else Dim serializer As New XmlSerializer(type) While reader.Name <> name reader.Read() End While reader.ReadStartElement(name) Dim value = serializer.Deserialize(reader) reader.ReadEndElement() Return value End If End Function Public Shared Function Serialize(ByVal dictionary As SerializableDictionary(Of TKey, TValue)) As String Dim sb As New StringBuilder(1024) Dim sw As New StringWriter(sb) Dim xs As New XmlSerializer(GetType(SerializableDictionary(Of TKey, TValue))) xs.Serialize(sw, dictionary) sw.Dispose() Return sb.ToString End Function Public Shared Function Deserialize(ByVal xml As String) As SerializableDictionary(Of TKey, TValue) Dim xs As New XmlSerializer(GetType(SerializableDictionary(Of TKey, TValue))) Dim xr As New XmlTextReader(xml, XmlNodeType.Document, Nothing) Return xs.Deserialize(xr) xr.Close() End Function Public Function Serialize() As String Dim sb As New StringBuilder Dim xw = XmlWriter.Create(sb) WriteXml(xw) xw.Close() Return sb.ToString End Function Public Sub Parse(ByVal xml As String) Dim xr As New XmlTextReader(xml, XmlNodeType.Document, Nothing) ReadXml(xr) xr.Close() End Sub End Class

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