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• how to change windowXP theme using vb.net2005

  - by Darshna Raghani

  I have tried the following code but has no effect: Imports system.Runtime.InteropServices <DllImport("UxTheme.DLL", BestFitMapping:=False, CallingConvention:=CallingConvention.Winapi, CharSet:=CharSet.Unicode, EntryPoint:="#65")> _ Shared Function SetSystemVisualStyle(ByVal pszFilename As String, ByVal pszColor As String, ByVal pszSize As String, ByVal dwReserved As Integer) As Integer End Function Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load 'This code will set Window Themes SetSystemVisualStyle("C:\WINDOWS\Resources\Themes\HmmXP_2_0_1\HmmXP\HmmXP.msstyles", "NormalColor", "NormalSize", 0) End Sub Can anyone plz help?

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• HARD CODED PATHS IN C#

  - by maya

  Hai I am developing an application in C#.I have a folde called myfolder it contains a file called mypoints.bmp.the folder myfolder is in my project folder it is in D drive .the path is D:\Myproject\myfolder\mypoints.bmp Now in my program whereever i need mypoints.bmp i hardcoded the wholw path.when my project is copied in to a different system under C drive i am not able to run mu project because of the hardcoded path.HOw can i give the path so that there will not be any problem evenif it is loaded in to a different system under a different drive.Please help. THAnks maya

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• Error in casting

  - by Nasser Hajloo

  I have a simpleAsp.net page which I make it Ajaxable. everything works fine but I face with a problem whenever a specific method calls. Actually the Browser tell me that Sys.WebForms.PageRequestManagerServerErrorException: Unable to cast object of type 'System.Web.UI.LiteralControl' to type 'System.Web.UI.WebControls.WebControl'. I do not know how to resolve it. Any help appriciates.

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• How do I turn off a custom IValueConverter at design time?

  - by Jonathan Allen

  How do I turn off a custom IValueConverter at design time? Basically I want to write this: Public Class MethodBinder Implements IValueConverter Public Function Convert(ByVal value As Object, ByVal targetType As System.Type, ByVal parameter As Object, ByVal culture As CultureInfo) As Object Implements IValueConverter.Convert If [DESIGN_TIME] Then Return Nothing If value IsNot Nothing Then Return CallByName(value, CStr(parameter), CallType.Method) Return Nothing End Function Public Function ConvertBack(ByVal value As Object, ByVal targetType As System.Type, ByVal parameter As Object, ByVal culture As CultureInfo) As Object Implements IValueConverter.ConvertBack Throw New NotSupportedException End Function End Class

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• Try catch finally blocks.. do i still need them?

  - by Phil

  I am handling errors via my global.asax in this method: Dim CurrentException As Exception CurrentException = Server.GetLastError() Dim LogFilePath As String = Server.MapPath("~/Error/" & DateTime.Now.ToString("dd-MM-yy.HH.mm") & ".txt") Dim sw As System.IO.StreamWriter = New System.IO.StreamWriter(LogFilePath) sw.WriteLine(DateTime.Now.ToString) sw.WriteLine(CurrentException.ToString()) sw.Close() In my code I currently have no other error handling. Should I still insert try, catch, finally blocks? Thanks.

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• Is there a faster way to launch Activity on Android when using maven?

  - by Kamilski81

  Within Eclipse, everything works perfectly when I run 'mvn install android:deploy'...however, this takes about 18 seconds to complete. Is there a faster way to launch my android application. When I try to run my main Activity via 'Android Application' I get a huge stack trace: 09-05 14:03:09.915: E/AndroidRuntime(689): FATAL EXCEPTION: main 09-05 14:03:09.915: E/AndroidRuntime(689): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.soraapps.android.purseprideapp/com.soraapps.android.purseprideapp.PursePrideActivity}: java.lang.ClassNotFoundException: com.soraapps.android.purseprideapp.PursePrideActivity in loader dalvik.system.PathClassLoader[/data/app/com.soraapps.android.purseprideapp-2.apk] 09-05 14:03:09.915: E/AndroidRuntime(689): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1569) 09-05 14:03:09.915: E/AndroidRuntime(689): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663) 09-05 14:03:09.915: E/AndroidRuntime(689): at android.app.ActivityThread.access$1500(ActivityThread.java:117) 09-05 14:03:09.915: E/AndroidRuntime(689): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931) 09-05 14:03:09.915: E/AndroidRuntime(689): at android.os.Handler.dispatchMessage(Handler.java:99) 09-05 14:03:09.915: E/AndroidRuntime(689): at android.os.Looper.loop(Looper.java:123) 09-05 14:03:09.915: E/AndroidRuntime(689): at android.app.ActivityThread.main(ActivityThread.java:3683) 09-05 14:03:09.915: E/AndroidRuntime(689): at java.lang.reflect.Method.invokeNative(Native Method) 09-05 14:03:09.915: E/AndroidRuntime(689): at java.lang.reflect.Method.invoke(Method.java:507) 09-05 14:03:09.915: E/AndroidRuntime(689): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) 09-05 14:03:09.915: E/AndroidRuntime(689): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) 09-05 14:03:09.915: E/AndroidRuntime(689): at dalvik.system.NativeStart.main(Native Method) 09-05 14:03:09.915: E/AndroidRuntime(689): Caused by: java.lang.ClassNotFoundException: com.soraapps.android.purseprideapp.PursePrideActivity in loader dalvik.system.PathClassLoader[/data/app/com.soraapps.android.purseprideapp-2.apk] 09-05 14:03:09.915: E/AndroidRuntime(689): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240) 09-05 14:03:09.915: E/AndroidRuntime(689): at java.lang.ClassLoader.loadClass(ClassLoader.java:551) 09-05 14:03:09.915: E/AndroidRuntime(689): at java.lang.ClassLoader.loadClass(ClassLoader.java:511) 09-05 14:03:09.915: E/AndroidRuntime(689): at android.app.Instrumentation.newActivity(Instrumentation.java:1021) 09-05 14:03:09.915: E/AndroidRuntime(689): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1561) 09-05 14:03:09.915: E/AndroidRuntime(689): ... 11 more Here is my pom.xml: https://gist.github.com/3656482 And here is what my files look like after I try building and running the project. (see gen and bin folders) http://cl.ly/image/3Q0x052S2Z3Q

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• Deriving from a component and implementing IDisposable properly

  - by PaulH

  I have a Visual Studio 2008 C# .NET 2.0 CF project with an abstract class derived from Component. From that class, I derive several concrete classes (as in my example below). But, when I go to exit my Form, though the Form's Dispose() member is called and components.Dispose() is called, my components are never disposed. Can anybody suggest how I can fix this design? public abstract class SomeDisposableComponentBase : Component { private System.ComponentModel.IContainer components; protected SomeDisposableComponentBase() { Initializecomponent(); } protected SomeDisposableComponentBase(IContainer container) { container.Add(this); Initializecomponent(); } private void InitializeComponent() { components = new System.ComponentModel.Container(); } protected abstract void Foo(); #region IDisposable Members bool disposed_; /// Warning 60 CA1063 : Microsoft.Design : Ensure that 'SomeDisposableComponentBase.Dispose()' is declared as public and sealed.* public void Dispose() { // never called Dispose(true); GC.SuppressFinalize(this); } protected virtual void Dispose(bool disposing) { // never called if (!disposed_) { if (disposing && (components != null)) { components.Dispose(); } disposed_ = true; } base.Dispose(disposing); } #endregion } public SomeDisposableComponent : SomeDisposableComponentBase { public SomeDisposableComponent() : base() { } public SomeDisposableComponent(IContainer container) : base(container) { } protected override void Foo() { // Do something... } protected override void Dispose(bool disposing) { // never called base.Dispose(disposing); } } public partial class my_form : Form { private SomeDisposableComponentBase d_; public my_form() { InitializeComponent(); if (null == components) components = new System.ComponentModel.Container(); d_ = new SomeDisposableComponent(components); } /// exit button clicked private void Exit_Click(object sender, EventArgs e) { this.Close(); } /// from the my_form.designer.cs protected override void Dispose(bool disposing) { if (disposing && (components != null)) { // this function is executed as expected when the form is closed components.Dispose(); } base.Dispose(disposing); } } *I note that FX-Cop is giving me a hint here. But, if I try to declare that function as sealed, I get the error: error CS0238: 'SomeDisposableComponentBase.Dispose()' cannot be sealed because it is not an override Declaring that function an override leads to: 'SomeDisposableComponentBase.Dispose()': cannot override inherited member 'System.ComponentModel.Component.Dispose()' because it is not marked virtual, abstract, or override Thanks, PaulH

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• BigDecimal, division & MathContext - very strange behaviour

  - by blackliteon

  CentOs 5.4, OpenJDK Runtime Environment (build 1.6.0-b09) MathContext context = new MathContext(2, RoundingMode.FLOOR); BigDecimal total = new BigDecimal("200.0", context); BigDecimal goodPrice = total.divide(BigDecimal.valueOf(3), 2, RoundingMode.FLOOR); System.out.println("divided price=" + goodPrice.toPlainString()); // prints 66.66 BigDecimal goodPrice2 = total.divide(BigDecimal.valueOf(3), new MathContext(2, RoundingMode.FLOOR)); System.out.println("divided price2=" + goodPrice2.toPlainString()); // prints 66 BUG ?

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• VB - Convert Web Site to Web Application

  - by Dave

  Hi This is my first time doing VB :-) I've inherited a web site, which I've converted into a web application in VS2008. The conversion has worked for everything except a Gallery control. The compile error I'm getting is: Type 'Gallery' is not defined in file: gallery_oct07.aspx.designer.vb Option Strict On Option Explicit On Partial Public Class gallery_oct07 '''<summary> '''Gallery1 control. '''</summary> '''<remarks> '''Auto-generated field. '''To modify move field declaration from designer file to code-behind file. '''</remarks> Protected WithEvents Gallery1 As Global.Gallery End Class with squiggly lines under Global.Gallery. The gallery_oct07.aspx.vb is: Partial Class gallery_oct07 Inherits System.Web.UI.Page End Class Gallery.ascx is: <%@ Control Language="C#" AutoEventWireup="true" Codebehind="Gallery.ascx.cs" Inherits="WebApplication1.Gallery"%> <asp:Repeater runat="server" ID="rptGallery"> <HeaderTemplate> <ul class='<%#CssClass%>'> </HeaderTemplate> <ItemTemplate> <li><a href='<%#ImageFolder + Eval("Name") %>' class="thickbox" rel="gallery"><img src='<%#ImageFolder + "thumb/" + Eval("Name") %>' /></a></li> </ItemTemplate> <FooterTemplate> </ul></FooterTemplate> </asp:Repeater> and the code behind is: using System; using System.IO; namespace WebApplication1 { public partial class Gallery : System.Web.UI.UserControl { public string _ImageFolder; public string ImageFolder { get { return _ImageFolder; } set { _ImageFolder = value; } } private string _cssClass = "gallery"; public string CssClass { get { return _cssClass; } set { _cssClass = value; } } protected void Page_Load(object sender, EventArgs e) { DirectoryInfo dir = new DirectoryInfo(MapPath(ImageFolder)); FileInfo[] images = dir.GetFiles("*.jpg"); rptGallery.DataSource = images; rptGallery.DataBind(); } protected void Page_PreRender(object sender, EventArgs e) { } } } The feels like a namespace issue.. My project namespace is WebApplication1. Cheers!

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• HtmlHelper does not contain definition for "Action"

  - by ognjenb

  I use <%= Html.Action("ReadXML") % and have this error: 'System.Web.Mvc.HtmlHelper' does not contain a definition for 'Action' and no extension method 'Action' accepting a first argument of type 'System.Web.Mvc.HtmlHelper' could be found (are you missing a using directive or an assembly reference?) How fix it

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• Book recommendation for developing ecommerce website in Java

  - by Mirage

  I have seen that there are many books titled: Build Ecommerce website in php Build shopping carts in php or asp.net Is there any book which explains, from scratch, how to start building a website in Java using any framework or with servlets or JSP? Desired topics: Basic forms with logins and registration Building catalogue system Building shopping cart Building newsletters system

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• Can i store a Queue in viewstate? only will store the first item i add to queue

  - by Mausimo

  Hey, as the question states i am trying to store a Queue in a viewstate (to track postbacks and refreshes to stop a form from resubmitting). Here is just the viewstate code: private Queue<string> p_tempQue { set { ViewState["sTemp"] = value; } get { return (Queue<string>)ViewState["sTemp"]; } } //BasePage constructor public BasePage() { //create a Queue of string //sTemp = new Queue(); this.Load += new EventHandler(this.Page_Load); this.Init += new EventHandler(this.Page_Init); } //In the 'page_Init' event we have created a simple hidden field by name 'hdnGuid' which is attached to the page on the first hit itself. protected void Page_Init(object sender, EventArgs e) { //initializing the hidden field //create a hidden field with a ID HiddenField hdnGuid = new HiddenField(); hdnGuid.ID = "hdnGuid"; //if it is the first time the page is loaded, create a new guid and assign it as the hidden field value if (!Page.IsPostBack) hdnGuid.Value = Guid.NewGuid().ToString(); //add the hidden field to the page Page.Form.Controls.Add(hdnGuid); } //In the 'page_Load' event we check if the hidden field value is same as the old value. In case the value is not same that means it's a 'postback' //and if the value is same then its 'refresh'. As per situation we set the 'httpContent.Items["Refresh"]' value. protected void Page_Load(object sender, EventArgs e) { if(p_tempQue != null) sTemp = p_tempQue; else sTemp = new Queue<string>(); //The hdnGuid will be set the first time page is loaded, else the hdnGuid //will be set after each time the form is submitted using javascript. //assign the hidden field currently on the page for manipulation HiddenField h1 = (HiddenField)(Page.Form.FindControl("hdnGuid")); //create an instance of the GuidClass GuidClass currentGuid = new GuidClass(); //set the GuidClass Guid property to the value of the hidden field currentGuid.Guid = h1.Value; //check to see if the Queue of strings contains the string which is the current Guid property of the GuidClass //if the are equal, then the page was refreshed if (sTemp.Contains<string>(currentGuid.Guid)) { //adds item as key/value pair to share data between an System.Web.IHttpModule interface and an System.Web.IHttpHandler interface during an HTTP request. System.Web.HttpContext.Current.Items.Add("IsRefresh", true); } //if they are not requal, the page is not refreshed else { //if the current Guid property in the GuidClass is not null or not an empty string //add the new Guid to the Queue if (!(currentGuid.Guid.Equals(null) || currentGuid.Guid.Equals(""))) sTemp.Enqueue(currentGuid.Guid); System.Web.HttpContext.Current.Items.Add("IsRefresh", false); } p_tempQue = sTemp; }

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• Asp.net Build error?

  - by Surya sasidhar

  hi, when i run the my asp.net application it is showing this message can u help me. Could not load file or assembly 'System.Web.Extensions.Design, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.

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• SVN: Branches for Every Little Change?

  - by yar

  Hi. We have a client (who has a client, who has a client) who is driving us mad with change requests to a code base (in PHP). Our first response was to just work in a main trunk in SVN, but the client often comes back and requests that a certain change needs to get pushed to the live servers ASAP. On the other hand, other changes get reduced in priority suddenly, which originally came grouped with other changes (seemingly). We are thinking of using a branch for every change request. Is this mad? What other solutions might work? Thanks! Edit: This is a really hard question to choose the correct answer for. Thanks to everybody for your great answers. Edit: I know that the best answer I chose was not particularly popular. I too wanted to find a technical solution to this problem. But now I think that if the client wants software with features that can be deployed in a modular fashion... this problem should not be solved in our use of the version control system. It would have to be designed into the software. Edit: Now it's almost a month later and my coworker/client has convinced me that multiple branches is the way to go. This is not just due to the client's insanity, but also based on our need to be able to determine if a feature is "ready to go" or "needs more work" or whatever. I don't have the SVN with me, but we merge using the advice from the SVN Cookbook: you merge the branch from the revision it was branched to the head revision. Also, using this system, we merge all branches at some point and that becomes the new QA and then live build. Then we branch from that. Last Edit (Perhaps): Months later, this system is still working out for us. We create branches for every ticket and rarely have problems. On the other hand, we do try to keep things separate as far as what people are working on... Two Years Later: We use GIT now, and now this system is actually quite reasonable.

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• regarding setup (object file)

  - by asha

  i have made a firewall project in c language on linux operating system ,now i want to know how to make set of this project so that i can run this application on other system by installing it ?

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• WPF Application Maximize Problem

  - by user279244

  How to set the Height and width of a WPF application on maximise? Problem I face is because of variable height of the windows taskbar in different computers Presently, I am doing it like this. Please suggest any better technique if (this.WindowState == WindowState.Maximized) { this.Height = primaryScreenHeight - 10 - System.Windows.Forms.SystemInformation.SizingBorderWidth; this.Width = primaryScreenWidth + 2 * System.Windows.Forms.SystemInformation.FrameBorderSize.Width; }

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• Entity framework unit testing with sqlite

  - by Marcus Malmgren

  Is it possible to unit test Entity Framework v2 repositories with SqLite? Is this only possible if my entities are plain Poco and not automatically generated by Entity Framework? I've generated a entity model from SqlServer and in the generated .edmx file i found this in section SSDL content: Provider="System.Data.SqlClient". Correct me if I am wrong, but shouldnt that be System.Data.SQLite in order to work with sqlite?

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• how to make a partition which is in ext-2 , a writable disk?

  - by mekasperasky

  i have debian system in which i have mounted the OS on a ext-3 system . I have got a partition of 60 gb , which is formatted to ext-2 partition . Even if I mount , i cant write anything into it . How can i change that ? How can I make the disk writable?

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• Why the output is not same ??

  - by javatechi

  public class swapex{ public static int var1, var2; public void badSwap(int var1, int var2){ int temp = var1; this.var1 = var2; this.var2 = temp; System.out.println("var1 " + var1 + " var2 "+ var2); } public static void main(String args[]) { swapex sw= new swapex(); sw.badSwap(10,20); System.out.println("var1 " + var1 + " var2 "+ var2); } }

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• Error converting datetime to string

  - by user279521

  Hi, I am getting an error when I attempt to display a datetime value in a textbox: My code is: txtStartDate.Text = rdrGetUserInfo.IsDBNull(14) ? String.Empty : Convert.ToString(rdrGetUserInfo.GetString(14)); The error message is: ex.Message = "Unable to cast object of type 'System.DateTime' to type 'System.String'." Any ideas how I can resolve this?

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• Creating a handle to a class' property

  - by shadeMe

  Would it be possible to create a handle ( or a tracking handle ) to a class' property ? For instance, System::Windows::Forms::CheckBox^ Box = gcnew System::Windows::Forms::CheckBox() I'd like to create a handle to its Checked property and use it to access and modify the same.

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• WCF client throws SocketException if I'm also running a Fiddler

  - by user437291

  Hi I'm trying to use Fiddler2 to inspect SOAP messages exchanged between WCF client and WCF service ( both client and service are running on same machine). But problem is, whenever I use Fiddler2, WCF client reports "EndpointnotFoundException:There was no endpoint listening at http://a-PC:8100 that could accept the message à System.Net.WebException: Unable to connect to the remote server - à System.Net.Sockets-SocketException:An attempt was made to access a socket in a way forbidden by its access permissions 127.0.0.1:8888" Thank you

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• I am getting the wrong client IP address

  - by Vibin Jith

  I am running an ASP.NET application. The web server is located on the same system. In the code behind I just want to get the IP address of the requesting client. I am using this code: Request.UserHostAddress But I am getting a wrong address: 127.0.0.1. My system IP address is 198.162.0.27.

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• Notification API for windows

  - by Peter Hoffmann

  Linux has libnotify and OS X has growl. Is there some kind of Notification API for Windows too? It should be accessible via .Net languages. Clarification: Yes I'm looking for an way to send notification to the user, but it won't harm if one can subscribe to certain events with programs too. The linux libnotify uses a system wide D-Bus messaging system, which can handle all kind of events.

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• what is wrong with connection string

  - by Hakan

  Can any one help me with this connection string. I can't manage how to fix. Dim constring As String Dim con As SqlCeConnection Dim cmd As SqlCeCommand constring = "(System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase) + \\database.sdf;Password=pswrd;File Mode=shared read" con = New SqlCeConnection() con.Open() Thanks

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