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• Cannot ping router with a static IP assigned?

  - by Uriah

  Alright. I am running Ubuntu LTS 12.04 and am trying to configure a local caching/master DNS server so I am using Bind9. First, here are some things via default DHCP: /etc/network/interfaces cat /etc/network/interfaces # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network interface auto lo iface lo inet loopback # The primary network interface auto eth0 iface eth0 inet dhcp # The primary network interface - STATIC #auto eth0 #iface eth0 inet static # address 192.168.2.113 # netmask 255.255.255.0 # network 192.168.2.0 # broadcast 192.168.2.255 # gateway 192.168.2.1 # dns-search uclemmer.net # dns-nameservers 192.168.2.113 8.8.8.8 /etc/resolv.conf cat /etc/resolv.conf # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN nameserver 192.168.2.1 search uclemmer.net ifconfig ifconfig eth0 Link encap:Ethernet HWaddr 00:14:2a:82:d4:9e inet addr:192.168.2.103 Bcast:192.168.2.255 Mask:255.255.255.0 inet6 addr: fe80::214:2aff:fe82:d49e/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:1067 errors:0 dropped:0 overruns:0 frame:0 TX packets:2504 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:153833 (153.8 KB) TX bytes:214129 (214.1 KB) Interrupt:23 Base address:0x8800 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:915 errors:0 dropped:0 overruns:0 frame:0 TX packets:915 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:71643 (71.6 KB) TX bytes:71643 (71.6 KB) ping ping -c 4 192.168.2.1 PING 192.168.2.1 (192.168.2.1) 56(84) bytes of data. 64 bytes from 192.168.2.1: icmp_req=1 ttl=64 time=0.368 ms 64 bytes from 192.168.2.1: icmp_req=2 ttl=64 time=0.224 ms 64 bytes from 192.168.2.1: icmp_req=3 ttl=64 time=0.216 ms 64 bytes from 192.168.2.1: icmp_req=4 ttl=64 time=0.237 ms --- 192.168.2.1 ping statistics --- 4 packets transmitted, 4 received, 0% packet loss, time 2997ms rtt min/avg/max/mdev = 0.216/0.261/0.368/0.063 ms ping -c 4 google.com PING google.com (74.125.134.102) 56(84) bytes of data. 64 bytes from www.google-analytics.com (74.125.134.102): icmp_req=1 ttl=48 time=15.1 ms 64 bytes from www.google-analytics.com (74.125.134.102): icmp_req=2 ttl=48 time=11.4 ms 64 bytes from www.google-analytics.com (74.125.134.102): icmp_req=3 ttl=48 time=11.6 ms 64 bytes from www.google-analytics.com (74.125.134.102): icmp_req=4 ttl=48 time=11.5 ms --- google.com ping statistics --- 4 packets transmitted, 4 received, 0% packet loss, time 3003ms rtt min/avg/max/mdev = 11.488/12.465/15.118/1.537 ms ip route ip route default via 192.168.2.1 dev eth0 metric 100 192.168.2.0/24 dev eth0 proto kernel scope link src 192.168.2.103 As you can see, with DHCP everything seems to work fine. Now, here are things with static IP: /etc/network/interfaces cat /etc/network/interfaces # This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). # The loopback network interface auto lo iface lo inet loopback # The primary network interface #auto eth0 #iface eth0 inet dhcp # The primary network interface - STATIC auto eth0 iface eth0 inet static address 192.168.2.113 netmask 255.255.255.0 network 192.168.2.0 broadcast 192.168.2.255 gateway 192.168.2.1 dns-search uclemmer.net dns-nameservers 192.168.2.1 8.8.8.8 I have tried dns-nameservers in various combos of *.2.1, *.2.113, and other reliable, public nameservers. /etc/resolv.conf cat /etc/resolv.conf # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN nameserver 192.168.2.1 nameserver 8.8.8.8 search uclemmer.net Obviously, when I change the nameservers in the /etc/network/interfaces file, the nameservers change here too. ifconfig ifconfig eth0 Link encap:Ethernet HWaddr 00:14:2a:82:d4:9e inet addr:192.168.2.113 Bcast:192.168.2.255 Mask:255.255.255.0 inet6 addr: fe80::214:2aff:fe82:d49e/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:1707 errors:0 dropped:0 overruns:0 frame:0 TX packets:2906 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:226230 (226.2 KB) TX bytes:263497 (263.4 KB) Interrupt:23 Base address:0x8800 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:985 errors:0 dropped:0 overruns:0 frame:0 TX packets:985 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:78625 (78.6 KB) TX bytes:78625 (78.6 KB) ping ping -c 4 192.168.2.1 PING 192.168.2.1 (192.168.2.1) 56(84) bytes of data. --- 192.168.2.1 ping statistics --- 4 packets transmitted, 0 received, 100% packet loss, time 3023ms ping -c 4 google.com ping: unknown host google.com Lastly, here are my bind zone files: /etc/bind/named.conf.options cat /etc/bind/named.conf.options options { directory "/etc/bind"; // // // query-source address * port 53; notify-source * port 53; transfer-source * port 53; // If there is a firewall between you and nameservers you want // to talk to, you may need to fix the firewall to allow multiple // ports to talk. See http://www.kb.cert.org/vuls/id/800113 // If your ISP provided one or more IP addresses for stable // nameservers, you probably want to use them as forwarders. // Uncomment the following block, and insert the addresses replacing // the all-0's placeholder. // forwarders { // 0.0.0.0; // }; forwarders { // My local 192.168.2.113; // Comcast 75.75.75.75; 75.75.76.76; // Google 8.8.8.8; 8.8.4.4; // DNSAdvantage 156.154.70.1; 156.154.71.1; // OpenDNS 208.67.222.222; 208.67.220.220; // Norton 198.153.192.1; 198.153.194.1; // Verizon 4.2.2.1; 4.2.2.2; 4.2.2.3; 4.2.2.4; 4.2.2.5; 4.2.2.6; // Scrubit 67.138.54.100; 207.255.209.66; }; // // // //allow-query { localhost; 192.168.2.0/24; }; //allow-transfer { localhost; 192.168.2.113; }; //also-notify { 192.168.2.113; }; //allow-recursion { localhost; 192.168.2.0/24; }; //======================================================================== // If BIND logs error messages about the root key being expired, // you will need to update your keys. See https://www.isc.org/bind-keys //======================================================================== dnssec-validation auto; auth-nxdomain no; # conform to RFC1035 listen-on-v6 { any; }; }; /etc/bind/named.conf.local cat /etc/bind/named.conf.local // // Do any local configuration here // // Consider adding the 1918 zones here, if they are not used in your // organization //include "/etc/bind/zones.rfc1918"; zone "example.com" { type master; file "/etc/bind/zones/db.example.com"; }; zone "2.168.192.in-addr.arpa" { type master; file "/etc/bind/zones/db.2.168.192.in-addr.arpa"; /etc/bind/zones/db.example.com cat /etc/bind/zones/db.example.com ; ; BIND data file for example.com interface ; $TTL 604800 @ IN SOA yossarian.example.com. root.example.com. ( 1343171970 ; Serial 604800 ; Refresh 86400 ; Retry 2419200 ; Expire 604800 ) ; Negative Cache TTL ; @ IN NS yossarian.example.com. @ IN A 192.168.2.113 @ IN AAAA ::1 @ IN MX 10 yossarian.example.com. ; yossarian IN A 192.168.2.113 router IN A 192.168.2.1 printer IN A 192.168.2.200 ; ns01 IN CNAME yossarian.example.com. www IN CNAME yossarian.example.com. ftp IN CNAME yossarian.example.com. ldap IN CNAME yossarian.example.com. mail IN CNAME yossarian.example.com. /etc/bind/zones/db.2.168.192.in-addr.arpa cat /etc/bind/zones/db.2.168.192.in-addr.arpa ; ; BIND reverse data file for 2.168.192.in-addr interface ; $TTL 604800 @ IN SOA yossarian.example.com. root.example.com. ( 1343171970 ; Serial 604800 ; Refresh 86400 ; Retry 2419200 ; Expire 604800 ) ; Negative Cache TTL ; @ IN NS yossarian.example.com. @ IN A 255.255.255.0 ; 113 IN PTR yossarian.example.com. 1 IN PTR router.example.com. 200 IN PTR printer.example.com. ip route ip route default via 192.168.2.1 dev eth0 metric 100 192.168.2.0/24 dev eth0 proto kernel scope link src 192.168.2.113 I can SSH in to the machine locally at *.2.113 or at whatever address is dynamically assigned when in DHCP "mode". *2.113 is in my router's range and I have ports open and forwarding to the server. Pinging is enabled on the router too. I briefly had a static configuration working but it died after the first reboot. Please let me know what other info you might need. I am beyond frustrated/baffled.

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• The application called an interface that was marshalled for a different thread

  - by X-Ray

  i'm writing a delphi app that communicates with excel. one thing i noticed is that if i call the Save method on the Excel workbook object, it can appear to hang because excel has a dialog box open for the user. i'm using the late binding. i'd like for my app to be able to notice when Save takes several seconds and then take some kind of action like show a dialog box telling this is what's happening. i figured this'd be fairly easy. all i'd need to do is create a thread that calls Save and have that thread call Excel's Save routine. if it takes too long, i can take some action. procedure TOfficeConnect.Save; var Thread:TOfficeHangThread; begin // spin off as thread so we can control timeout Thread:=TOfficeSaveThread.Create(m_vExcelWorkbook); if WaitForSingleObject(Thread.Handle, 5 {s} * 1000 {ms/s})=WAIT_TIMEOUT then begin Thread.FreeOnTerminate:=true; raise Exception.Create(_('The Office spreadsheet program seems to be busy.')); end; Thread.Free; end; TOfficeSaveThread = class(TThread) private { Private declarations } m_vExcelWorkbook:variant; protected procedure Execute; override; procedure DoSave; public constructor Create(vExcelWorkbook:variant); end; { TOfficeSaveThread } constructor TOfficeSaveThread.Create(vExcelWorkbook:variant); begin inherited Create(true); m_vExcelWorkbook:=vExcelWorkbook; Resume; end; procedure TOfficeSaveThread.Execute; begin m_vExcelWorkbook.Save; end; i understand this problem happens because the OLE object was created from another thread (absolutely). how can i get around this problem? most likely i'll need to "re-marshall" for this call somehow... any ideas? thank you!

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• XMLHttpRequest and certificate errors.

  - by Dan G

  I'm using a XMLHTTPRequest object in my C++ project. I have things working fine with normal http requests and https requests on servers with valid certificates. When I attempt to make an https:// request to a server who's certificate would produce an IE "There is a problem with this website's security certificate." error if I tried to browse there with IE, the request fails. The result I get back from the request is a 12019 error. Is there any way to make the request ignore the error and continue on as if a user had clicked on the "continue to this website" link. You are going to suggest I fix whatever is wrong with the certificate. At the moment I don't have control of that certificate, so I'm looking for an answer (if there is one) that does not include correcting the certificate. Thanks.

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• WPD MTP data stream hanging on Release

  - by Jonathan Potter

  I've come across a weird problem when reading data from a MTP-compatible mobile device using the WPD (Windows Portable Devices) API, under Windows 8 (not tried any other Windows versions yet). The symptom is, when calling Release on an IStream interface obtained via the IPortableDeviceResources::GetStream function, occasionally the Release call will hang and not return until the device is disconnected from the PC. After some experimentation I've discovered that this never happens as long as the entire contents of the stream have been read. But if the stream has only been partially read (say, the first 256Kb of the file), it can happen seemingly at random (although quite frequently). This has been reproduced with an iPhone and a Windows Phone 8 mobile, so it does not seem to be device-specific. Has anyone come across this sort of issue before? And more importantly, does anyone know of a way to solve it other than by always reading the entire contents of the stream? Thanks!

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• Hook IDispatch v-table in C++

  - by monoceres

  I'm trying to modify the behavior of an IDispatch interface already present in the system. To do this my plan was to hook into the objects v-table during runtime and modify the pointers so it points to a custom hook method instead. If I can get this to work I can add new methods and properties to already existing objects. Nice. First I tried hooking into the v-table for IUnknown (from which IDispatch inherits from) and that worked fine. However trying to change entires in IDispatch doesn't work at all. Nothing happens at all, the code works just as it did without the hook. Here's the code, it's very simple so it shouldn't be any problems to understand #include <iostream> #include <windows.h> #include <Objbase.h> #pragma comment (lib,"Ole32.lib") using namespace std; HRESULT __stdcall typecount(IDispatch *self,UINT*u) { cout << "hook" << endl; *u=1; return S_OK; } int main() { CoInitialize(NULL); // Get clsid from name CLSID clsid; CLSIDFromProgID(L"shell.application",&clsid); // Create instance IDispatch *obj=NULL; CoCreateInstance(clsid,NULL,CLSCTX_INPROC_SERVER,__uuidof(IDispatch),(void**)&obj); // Get vtable and offset in vtable for idispatch void* iunknown_vtable= (void*)*((unsigned int*)obj); // There are three entries in IUnknown, therefore add 12 to go to IDispatch void* idispatch_vtable = (void*)(((unsigned int)iunknown_vtable)+12); // Get pointer of first emtry in IDispatch vtable (GetTypeInfoCount) unsigned int* v1 = (unsigned int*)iunknown_vtable; // Change memory permissions so address can be overwritten DWORD old; VirtualProtect(v1,4,PAGE_EXECUTE_READWRITE,&old); // Override v-table pointer *v1 = (unsigned int) typecount; // Try calling GetTypeInfo count, should now be hooked. But isn't works as usual UINT num=0; obj->GetTypeInfoCount(&num); /* HRESULT hresult; OLECHAR FAR* szMember = (OLECHAR*)L"MinimizeAll"; DISPID dispid; DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0}; hresult = obj->GetIDsOfNames(IID_NULL, &szMember, 1, LOCALE_SYSTEM_DEFAULT, &dispid) ; hresult = obj->Invoke(dispid,IID_NULL,LOCALE_SYSTEM_DEFAULT,DISPATCH_METHOD,&dispparamsNoArgs, NULL, NULL, NULL); */ } Thanks in advance!

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• FileNotFoundException when running WiX CustomAction with COMAdmin interop

  - by dabcabc

  I am trying to create a WiX custom action which will allow me to shutdown and clear down a COM+ package as part of an upgrade installation, or create and configure a new COM+ package as part of the initial installation. I previously had this running as a CustomAction within a standard Visual Studio MSI but this only allows the custom action to be executed after the files have been copied - which will fail as the package will still be running. The COMAdmin.dll has been added as a reference to the CustomAction project and is set CopyLocal=true. In the bin folder for the custom action project the Interop.COMAdmin.dll is present. The answer to this question seems to suggest that it should work. I am getting the following exception within the MSI log when trying to install: MSI (s) (C4:04) [10:40:34:205]: Invoking remote custom action. DLL: C:\WINDOWS\Installer\MSI119.tmp, Entrypoint: BeforeInstall SFXCA: Extracting custom action to temporary directory: C:\WINDOWS\Installer\MSI119.tmp-\ SFXCA: Binding to CLR version v2.0.50727 Calling custom action MyCustomAction!MyCustomAction.CustomActions.BeforeInstall Exception thrown by custom action: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.IO.FileNotFoundException: Could not load file or assembly 'Interop.COMAdmin, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified. File name: 'Interop.COMAdmin, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' at MyCustomAction.CustomActions.BeforeInstall(Session session) WRN: Assembly binding logging is turned OFF. To enable assembly bind failure logging, set the registry value (DWORD) to 1. Note: There is some performance penalty associated with assembly bind failure logging. To turn this feature off, remove the registry value . --- End of inner exception stack trace --- at System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) at System.RuntimeMethodHandle.InvokeMethodFast(Object target, Object arguments, Signature sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object parameters, CultureInfo culture, Boolean skipVisibilityChecks) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object parameters, CultureInfo culture) at Microsoft.Deployment.WindowsInstaller.CustomActionProxy.InvokeCustomAction(Int32 sessionHandle, String entryPoint, IntPtr remotingDelegatePtr)

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• SAT Thread and Process output capture in c#

  - by alex

  Hi: This is a strange problem I encountered. I have an window application written in c# to do testing. It has a MDI parent form that is hosting a few children forms. One of the forms launch test cripts by creating processes and capture the scripts output to a text box. Another form open serial port and monitoring the status of the device I am working on(like a shell). If I ran both of them together, the output of the script seems only appear in the text box after the test is done. However, If I don't open the serial port form, the output of the script is captured in real time. Does anyone knows what's causing the problem? I notice the onDataReceived even handler for serial port form has a [SAThread] header to it. Will this cause the serial port thread having higher priority than other processes? Thanks in advance.

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• Testing VSTO Applications?

  - by Matthew Sposato

  I'm developing an Word 2007 VSTO application in VS2008. The part of the application that interacts with VSTO is difficult to test. VSTO objects behave differently than most class libraries. Their state and behaviors depend on how the user is interacting with Word, where they clicked, what's around the insertion point, etc. Mock objects could work in some scenarios, but they don't capture many of the subtleties of the VSTO objects. Anyone have any experience with testing VSTO based application they can share?

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• Get process id of process started with CreateObject in .NET

  - by Lex

  Hi! I'm using VB.NET for a web-application that starts some process using CreateObject, like this: Dim AVObject = CreateObject("avwin.application") After all is done everything get closed down en stopped using the proper release functions, however, for some reason the process remains. Is there some way in which I can get the process id of the started process, in order to explicitly kill it just before termination? Thanks

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• Trace not working in a .NET DLL loaded from VB6 EXE

  - by Luis

  Hello I have a .NET DLL that writes to the Trace. But seems that when I call my DLL from a VB6 EXE the trace is not working. I have created an myApp.config file in the EXE folder with the trace configuration, but this does not solves the issue. I've also tried creating the Trace objects in code,but doesn't work: Dim _traceSrc as TraceSource= New TraceSource("myTraceSorce") Dim flListener As FileLogTraceListener = New FileLogTraceListener("myFileLogTraceListener") Dim tSwitch As SourceSwitch = New SourceSwitch("mySwitch") tSwitch.Level = _logLevel If I call my DLL from a .NET EXE it works, even if I dont have the app.config in the EXE folder, becusase I set it in code if the config is not found. Thanks

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• How to Enable ActiveX in Chrome?

  - by Jeremiah Morrill

  I read that early builds of Chrome supported ActiveX, but was later restricted to certain MIME types (for support for say Windows Media Player). I then read Google was going to enable ActiveX strictly for the Korean market. How do I (re)enable this in Chrome? Our web based product relies on ActiveX controls from 3rd parties to play custom video. This limits us to IE. We'd love to support Chrome also, but find it impossible w/o ActiveX support.

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• How to send mail from ASP.NET with IIS6 SMTP in a dedicated server?

  - by Julio César

  Hi. I'm trying to configure a dedicated server that runs ASP.NET to send mail through the local IIS SMTP server but mail is getting stuck in the Queue folder and doesn't get delivered. I'm using this code in an .aspx page to test: <%@ Page Language="C#" AutoEventWireup="true" %> <% new System.Net.Mail.SmtpClient("localhost").Send("info@thedomain.com", "jcarrascal@gmail.com", "testing...", "Hello, world.com"); %> Then, I added the following to the Web.config file: <system.net> <mailSettings> <smtp> <network host="localhost"/> </smtp> </mailSettings> </system.net> In the IIS Manager I've changed the following in the properties of the "Default SMTP Virtual Server". General: [X] Enable Logging Access / Authentication: [X] Windows Integrated Authentication Access / Relay Restrictions: (o) Only the list below, Granted 127.0.0.1 Delivery / Advanced: Fully qualified domain name = thedomain.com Finally, I run the SMTPDiag.exe tool like this: C:\>smtpdiag.exe info@thedomain.com jcarrascal@gmail.com Searching for Exchange external DNS settings. Computer name is THEDOMAIN. Failed to connect to the domain controller. Error: 8007054b Checking SOA for gmail.com. Checking external DNS servers. Checking internal DNS servers. SOA serial number match: Passed. Checking local domain records. Checking MX records using TCP: thedomain.com. Checking MX records using UDP: thedomain.com. Both TCP and UDP queries succeeded. Local DNS test passed. Checking remote domain records. Checking MX records using TCP: gmail.com. Checking MX records using UDP: gmail.com. Both TCP and UDP queries succeeded. Remote DNS test passed. Checking MX servers listed for jcarrascal@gmail.com. Connecting to gmail-smtp-in.l.google.com [209.85.199.27] on port 25. Connecting to the server failed. Error: 10060 Failed to submit mail to gmail-smtp-in.l.google.com. Connecting to gmail-smtp-in.l.google.com [209.85.199.114] on port 25. Connecting to the server failed. Error: 10060 Failed to submit mail to gmail-smtp-in.l.google.com. Connecting to alt2.gmail-smtp-in.l.google.com [209.85.135.27] on port 25. Connecting to the server failed. Error: 10060 Failed to submit mail to alt2.gmail-smtp-in.l.google.com. Connecting to alt2.gmail-smtp-in.l.google.com [209.85.135.114] on port 25. Connecting to the server failed. Error: 10060 Failed to submit mail to alt2.gmail-smtp-in.l.google.com. Connecting to alt1.gmail-smtp-in.l.google.com [209.85.133.27] on port 25. Connecting to the server failed. Error: 10060 Failed to submit mail to alt1.gmail-smtp-in.l.google.com. Connecting to alt2.gmail-smtp-in.l.google.com [74.125.79.27] on port 25. Connecting to the server failed. Error: 10060 Failed to submit mail to alt2.gmail-smtp-in.l.google.com. Connecting to alt2.gmail-smtp-in.l.google.com [74.125.79.114] on port 25. Connecting to the server failed. Error: 10060 Failed to submit mail to alt2.gmail-smtp-in.l.google.com. Connecting to alt1.gmail-smtp-in.l.google.com [209.85.133.114] on port 25. Connecting to the server failed. Error: 10060 Failed to submit mail to alt1.gmail-smtp-in.l.google.com. Connecting to gsmtp183.google.com [64.233.183.27] on port 25. Connecting to the server failed. Error: 10060 Failed to submit mail to gsmtp183.google.com. Connecting to gsmtp147.google.com [209.85.147.27] on port 25. Connecting to the server failed. Error: 10051 Failed to submit mail to gsmtp147.google.com. I'm using ASP.NET 2.0, Windows 2003 Server and the IIS that comes with it. Can you tell me what else to change to fix the problem? Thanks @mattlant This is a dedicated server that's why I'm installing the SMTP manually. EDIT: I use exchange so its a little different, but its called a smart host in exchange, but in plain SMTP service config i think its called something else. Cant remember exactly the setting name. Thank you for pointing me at the Smart host field. Mail is getting delivered now. In the Default SMTP Virtual Server properties, the Delivery tab, click Advanced and fill the "Smart host" field with the address that your provider gives you. In my case (GoDaddy) it was k2smtpout.secureserver.net. More info here: http://help.godaddy.com/article/1283

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• How to properly clean up Excel interop objects in C#

  - by HAdes

  I'm using the Excel interop in C# (ApplicationClass) and have placed the following code in my finally clause: while (System.Runtime.InteropServices.Marshal.ReleaseComObject(excelSheet) != 0) { } excelSheet = null; GC.Collect(); GC.WaitForPendingFinalizers(); Although, this kind of works the Excel.exe process is still in the background even after I close Excel. It is only released once my application is manually closed. Anyone realize what I am doing wrong, or has an alternative to ensure interop objects are properly disposed of. Thanks.

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• Fastest way to access VB6 String in C#

  - by Simon Woods

  Hi I am using COMInterop. I have a call in VB6 which returns a string of roughly 13000 chars. If I execute the call in pure VB6 it takes about 800ms to execute. If I execute it via c# and COMInterop it takes about 8 seconds. I'm assuming the delay is caused by marshalling. If I am correct about marshalling, I'd be grateful if someone could suggest the fastest way I can get this into C#. e.g. Would it be better to a) expose it as a byte array b) provide a byref string param into the VB6 layer I would appreciate some sample code as well. I tried the Marshal.PtrToStringAuto(Marshal.ReadIntPtr(myCOMObject.GetString, 0) to no avail Many thx S

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• Why exception occured at LoadTypeLibEx System.ArgumentException: Value does not fall within the exp

  - by Usman

  Hello, I am loading type library in C++/CLI. In C# its loading successfully but it's giving again and again following exception in managed C++/CLI. exception occured at LoadTypeLibEx System.ArgumentException: Value does not fall within the expected range at LoadTypeLib(String strTypeLibName, ITypeLi b typeLib) Here's a PInvoke Signature: [DllImport("oleaut32.dll", CharSet = CharSet::Unicode, PreserveSig = false)] static void LoadTypeLib(String^ strTypeLibName,[MarshalAs(UnmanagedType::Interface)] [Out] System::Runtime::InteropServices::ComTypes::ITypeLib^ typeLib); ITypeLib^ oTypeLib; and call LoadtypeLib(TLB,oTypeLib); I am stuck here..kindly give me way around to get rid of this exception Regards Usman

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• midl.exe cannot load mscorlib.tlb

  - by Akash

  I'm trying to use midl to turn an idl file into a tlb. However, when I try I get this warning: warning MIDL2015: failed to load tlb in importlib : mscorlib.tlb and I then get a subsequent error: error MIDL2337 : unsatisfied forward declaration : _Object..... I'm certain that the error is due to the first warning. I've tried the same command on a different machine and it succeeds, so I know that the idl file is correct. I've tried uninstalling the .NET framework and reinstalling it in the hope that that would fix things, but it had no effect. So my question is, what do I need to fix on my machine to allow midl to locate mscorlib.tlb once more?

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• How do read/interact with an old ActiveX SSUltraGrid using UIAutomation

  - by Nigel Thorne

  I am investigating automated testing of an old Win32 application that used ActiveX controls. I am spiking use White (from Thougthworks) that uses Microsoft UIAutomation. I can find the AutomationElement related to the control, but how do I interact with it? Spy++ sees the grid control as a single window, so I can't talk to rows, columns, or cells directly. How do I talk to the SSUltraGrid control from my test code? Cheers Nigel

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• More efficient way to find media item in WMP media library?

  - by RoseOfJericho

  Hello, all. I am messing around with the WMPLib component provided by Windows Media Player 12 (wmp.dll) in VB.NET with .NET Framework 3.5 SP1. I am trying to retrieve a media item from my media library based on its name (assuming there are no duplicate names). At the moment, I'm grabbing the entire media library, and looping through every media item, and quitting the loop when I've found the correct media item. This works well (except for when a media item with that name cannot be found), but I was hoping there was a more efficient way of doing this. Here is my code so far: Public Class WMPTest Private myWMP As WMPLib.IWMPCore Private myMediaCollection As WMPLib.IWMPMediaCollection Private myTrack As WMPLib.IWMPMedia Private allTracks As WMPLib.IWMPPlaylist Public Sub New() ' This call is required by the Windows Form Designer. InitializeComponent() ' Add any initialization after the InitializeComponent() call. myWMP = New WMPLib.WindowsMediaPlayer myMediaCollection = myWMP.mediaCollection allTracks = myMediaCollection.getAll Dim theTrack As WMPLib.IWMPMedia = findTrack("Yellow Submarine") MessageBox.Show(theTrack.name) End Sub Public Function findTrack(ByVal strTrackName As String) As WMPLib.IWMPMedia For i As Integer = 0 To (allTracks.count - 1) If allTracks.Item(i).name = strTrackName Then myTrack = allTracks.Item(i) Exit For End If Next 'myTrack is now the track that we wanted to retrieve Return myTrack End Function End Class So what I really want is a way to optimize findTrack() to do its thing without looping through the entire media library (which could be huge). Anyone have a clue?

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• Which version of MSXML should I use?

  - by Cheeso

  Seems like this would be a common question, though I could not find it on SO. Which version of MSXML should I use in my applications, and more importantly, how should I decide? There is MSXML3, 4, 5 and 6. I recently posted some code in calling-wcf-service-by-vbscript that used MSXML v4. AnthonyWJones posted that I shouldn't use 4, but instead 3 or 6, but probably 3. Certainly not v5! Why? I'd like to know more about the criteria for selecting the version of MSXML to use in my apps. Bonus question: Does anyone have a summary of the differences between the various versions of MSXML over time? Summary so far: MSXML6 Should be first choice. was released in 2006, and includes perf and compliance fixes. Use this if you can. It's good. There are no merge modules; to bundle the MSXML6 runtime with your app, MS suggests packaging the MSXML6 msi file. MSXML6 is an upgrade from MSXML3/4 but does not replace them, because it discontinues some features. You can get the MSI here. MSXML3 Second choice. Most widely deployed version. Originally shipped in March 2000. Actively maintained, no new features. Currently supported, if you are on SP5 (shipped in 2005) or later. SP7 is current (also from 2005). MSXML5 was released only as part of MS-Office. Currently supported by Microsoft, but only as part of Office, not for building apps. Don't build apps that depend on MSXML5: Verboten. MSXML4 originally shipped? Currently in "maintenance mode". Microsoft is encouraging people to move off MSXML4 to MSXML6. Currently supported if you are on MSXML4SP2 or later, which shipped in 2003. download MSXML4SP2 here. Can be redisributed. Using the right version of MSXML in Internet Explorer is a good entry on the blog from Microsoft's xmlteam.

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• Excel Interop: Range.FormatConditions.Add throws MissingMethodException

  - by Zach Johnson

  I am writing an application which uses the Microsoft.Office.Interop.Excel assembly to export/import data from Excel spreadsheets. Everything was going fine (except for 1 based indexing and all those optional parameters!), until I tried to use conditional formatting. When I call Range.FormatConditions.Add I get a MissingMethodException telling me that no such method exists. This happens in both Vista and XP. Here's an example of the code that generates the exception: //1. Add a reference to Microsoft.Office.Interop.Excel (version 11.0.0.0) //2. Compile and run the following code: using Microsoft.Office.Interop.Excel; class Program { static void Main(string[] args) { Application app = new Application(); Workbook workbook = app.Workbooks[1]; Worksheet worksheet = (Worksheet)workbook.Worksheets[1]; Range range = worksheet.get_Range("A1", "A5"); FormatCondition condition = range.FormatConditions.Add( XlFormatConditionType.xlCellValue, XlFormatConditionOperator.xlBetween, 100, 200); } }

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• python win32com EXCEL data input error

  - by Rafal

  Welcome, I'm exporting results of my script into Excel spreadsheet. Everything works fine, I put big sets of data into SpreadSheet, but sometimes an error occurs: File "C:\Python26\lib\site-packages\win32com\client\dynamic.py", line 550, in __setattr__ self._oleobj_.Invoke(entry.dispid, 0, invoke_type, 0, value) pywintypes.com_error: (-2147352567, 'Exception.', (0, None, None, None, 0, -2146777998), None)*** I suppose It's not a problem of input data format. I put several different types of data strings, ints, floats, lists and it works fine. When I run the sript for the second time it works fine - no error. What's going on? PS. This is code that generates error, what's strange is that the error doesn't occur always. Say 30% of runs results in an error. : import win32com.client def Generate_Excel_Report(): Excel=win32com.client.Dispatch("Excel.Application") Excel.Workbooks.Add(1) Cells=Excel.ActiveWorkBook.ActiveSheet.Cells for i in range(100): Row=int(35+i) for j in range(10): Cells(int(Row),int(5+j)).Value="string" for i in range(100): Row=int(135+i) for j in range(10): Cells(int(Row),int(5+j)).Value=32.32 #float Generate_Excel_Report() The strangest for me is that when I run the script with the same code, the same input many times, then sometimes an error occurs, sometimes not. Thanks in advance for any help

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• Worksheet.Unprotect - Office Interop - Difference between 2003 and 2007

  - by sdmcnitt

  I have a .NET winforms app that automates Excel and checks for a worksheet password. The requirements are to be able to detect 1) that the protection is turned off 2) that the password is removed (protected but there is no password) 3) that the password matches the correct password from a database To meet the second requirement the program calls the Worksheet.Unprotect command with a null string, capturing the error. If error as expected, the 3rd check is made. If no error, then the Unprotect worked without a password == password was removed. The code sample below has these checks. The application can do this fine with Office 2003. I have since had my dev machine updated to Office 2007 and it no longer works as it did. When I call the Worksheet.Unprotect, Excel prompts for the password! I need to know how this should be accomplished in the new version of Excel or if there is a way to reference the old PIA. No matter what if I set a reference to Excel 11 it is replaced with the PIA for 12 in the GAC. 'return true if unprotect of worksheet does not generate an error 'all other errors will bubble up 'return false if specific error is "Password is invalid..." Try 'detect unprotected or no password If oWorksheet.ProtectContents Then 'try with no passsword and expect an error 'if no error then raise exception Dim blnRaiseException As Boolean = True Try 'oWorksheet.Unprotect(vbNullString) oWorksheet.Unprotect() Catch ex As Exception blnRaiseException = False End Try If blnRaiseException Then Throw New ExcelSheetNoPasswordException End If oWorksheet.Unprotect(strPwd) 'no error so if we get here -- success fnCheckWorksheetPwd = True 'leave as it was -- this may still cause workbook to think it is changed oWorksheet.Protect(strPwd) Else Throw New ExcelSheetNotProtectedException End If Catch COMex As System.Runtime.InteropServices.COMException 'handle error code -2146827284 If COMex.ErrorCode = -2146827284 Then 'this is the error we're looking for Else Throw End If Catch ex As Exception Throw End Try

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• import txt files using excel interop in C# (QueryTables.Add)

  - by kite

  Hi all, I am trying to insert text files into excel cell using Querytables.Add; no error, but the worksheet is empty. except for the single cell manipulation using Value2 property. I already using macro to record the object used. Can you help me on this(I am using vs2008, C# , excel 2003 and 2007; both shown empty cell). Below is my code; thanks for your help Application application = new ApplicationClass(); try { object misValue = Missing.Value; wbDoc = application.Workbooks.Open(flnmDoc, misValue, misValue, misValue, misValue, misValue, misValue, misValue, misValue, misValue, misValue, misValue, misValue, misValue, misValue); wsRefDocBudgetOwner = (Worksheet)wbDoc.Worksheets[2]; Range lRange = wsRefDocBudgetOwner.get_Range("B2", "B25"); var temp2 = wsRefDocBudgetOwner.QueryTables; var temp = temp2.Add(@"TEXT;d:\temp\config ssas.txt", lRange, Type.Missing); //temp.RefreshStyle = XlCellInsertionMode.xlInsertDeleteCells; //temp.RefreshOnFileOpen = true; wsRefDocBudgetOwner.get_Range("B1", "B1").Value2 = "Lgfdgast adsffdafadfads"; wbDoc.Save(); //wbDoc.SaveAs(flnmDoc2, misValue, misValue, misValue, misValue, misValue, XlSaveAsAccessMode.xlExclusive, // misValue, misValue, misValue, misValue, misValue); wbDoc.Close(Missing.Value, Missing.Value, Missing.Value); } finally { application.Quit(); }

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• CAB file for X86 and X64

  - by ramanakumar

  HI I have created a CAB file for an ActiveX component which is wrapper around a .Net Libray. Here the .Net Library is refering some third party components which are actually build in (X86 or X64) No Any CPU. So My Cab file should be intelligent enogh to install eigther X86 or X64 depending on the client ( Browser) I Know the change should be in the INF file. As i am new to thsi Interoperabilit technology. Please guide me in solving this problem. Thanking you.

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• Is it possible to interop with Thunderbird using C#?

  - by Jurily

  Here's the latest hurdle in my ongoing quest to automate my job: All email in the company goes through 4 different email adresses, switching randomly back and forth (with a note attached in the global share: please set "keep email on server") All logic related to email is contained in a nice big Thunderbird profile, which gets copied back and forth to new machines; this includes sorting invoices into 5 different "folders", the list of VIP adresses to send notifications, and the VIP level of those customers I only need the contents of those folders (the attachments, anyway) The question: is there a way to ask Thunderbird for those attachments and lists from C#? Alternatively, can Outlook be set up to synchronize with Thunderbird? Where do I start reading? Ditching Thunderbird is not an option right now, I need to keep up with changes to the VIP list. P.S. I will set up a real email server right after Monkey saves me enough time to convince people about it.

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