I'm having trouble with calling an exported function in a native DLL compiled with eMbedded Visual C++ in C# application in PocketPC 2002 OS. Problem Description follows: I have one exported function in the DLL: I am making an application for pocket Pc in C# using this DLL Function. when...more >>

Hi there, I'm having a weird situation when converting strings to double. Normally, the following code would work right? double MyDouble = double.Parse("20.50"); // Error at runtime Well, it gives me an error at run time, telling me that the format of the input string is incorrect. Then, ...more >>

Hi All, I have a C# solution that is really big with more than 50 projects, it takes more time for opening the projectas well as when I do a small change and build, it takes more time, is there any way I can reduce the time taken? Thanks Nagesh....more >>

Hi, I want to get a table from a DataSet using TypeDescriptor. Why doesn't this work? What would be the correct way of doing it? DataSet ds = new DataSet(); ds.Tables.Add("Table1"); PropertyDescriptor Prop = TypeDescriptor.GetProperties(ds)["Table1"]; // Prop is null Thanks! Etienne ...more >>

Hi NG How can I load and save a ArrayList with Strings with best Performance. Wich Methods are the best? In wich Format must I save the ArrayList for best Performance. I will handle a very large ArrayList of Strings and than search with BinarySearch in it. Thomas Bock ...more >>

Hi all, I'm try to check if the one client socket is really connected at my SocketServer . I build Client Socket with BeginAccept() , and I want to receive data with BegenReceive() call ! The BeginReceive and BeginAccept work very nice . <Code type="C#"> try { int byte_available ...more >>

Hi All, I just wonder if in C#, I can develop a user defined control that can call its parent function which is not yet developed. For example, how do I make my user control call a to-be-developed-function cmdOkay_Click() function as described below. 1. Create an user control that conta...more >>

Hi, all I must apologise if these questions had been asked before. 1) Why Assembly.Load("System.Windows.Forms") ? 2) How can I set/get property of an object using reflection. More specfically, how to acomplish the effect of this.Text = "Hello World"; in the following program Thank in ...more >>

Understand that when I start a thread, a number will be generated and is able to get from GetHashCode method. But I would like to use this number when I want to kill certain thread, anybody know how ?? Thanks Regards ...more >>

I want to be able to determine my current line, file, and function in my C# application. I know that C++ has the __LINE__, __FUNCTION__, and __FILE___ macros for getting this, but I cannot find a C# equivalent. Any ideas? -- ----------------------------------- Ken Varn Senior Software Eng...more >>

Hi... I've written a small client, that uses the TCPClient for connecting to a server and receives data from the server. When the connection is idle, after 5 minutes I get disconnected from the server. When this happens, I want to reconnect to the server, but my problem is, I don't know how to...more >>

Hi, MailMessage.From allows me to set the email address that the message comes from but not the "covering address" (sorry, no idea what the correct terminology might be). The email message should have the To: field appear as "Joe Bloggs" rather than the plain e-mail address. Any ideas? ...more >>

Hi In my application one of class got event. But after calling EventHandlers i want to stop execute rest if one of them set e.Handled = true. How to do it? kuba florczyk ...more >>

Hi How can I tell what type of value (string, int, ...) is returned from a call to RegistryKey.GetValue? Thanks, Ronen ...more >>

Hello, I have two assemblies A and B and an IFoo empty interface In the assembly B there is the following code : namespace B { public class Foo : IFoo { } } In the assembly A there is : namespace A { public class Bar { Assembly a = Assembly.LoadFrom("B.dll"); ...more >>

This is new territory for me so I don't know where to start with a design. I have to render a client side Dataset (5 cols x 20 or more rows) to a canvas. I know I can use Dataset.WriteXML("myfile.xml") but not sure what producing an XML file does for me. I know that if I rename "myfile.XML" to...more >>

I had a subscription to MSDN and I installed the VStudio.NET that was part of the MSDN to do some C# and VB development. That subscription has since expired. Does that mean that I will need to uninstall the VStudio.NET? thnx, Christoph ...more >>

I.e. <%# ((DataRowView)Container.DataItem)["Description"] %> Thanks, S ...more >>

Hi, I'm using a panel to show an image. The Image could be bigger or smaller than the panel. I want to show the pixel coordinates of the image on a label next to the panel. I'm using an event but i cant get to show the real image pixel's coordinates. I would appreciate any kind of help. ...more >>

Here's a little test app to demonstrate a problem I'm having. It creates four buttons, each one with the different FlatStyle types available. Three of them behave exactly the same way(and the way I'd anticipate), but the FlatStyle.System one does not. If you click on any of the buttons, use...more >>

Hi, I want to have in a application i have created the feature of application recycling, similar to the aspnet_wp, and the new COM+ service. The reason i want to do this is because of being able to set limits to the memory usage my app can consume, and recycling it when it exceeds this limit. ...more >>

Hi all, I am wondering whether any of you knows how to initialize a dynamically sized multi-dimensional array? I can't use arrayLists, hashtables, or anything that is key value pair set-up... I need multi-dimensional array in C#...it is asking me to initialize it with size when I write : str...more >>

Does anyone know if there is any kind of known / published overhead with using the lock statement (to lock an object to the current thread)? I am preparing to use it in several object property gets, but I don't want to use it if it will take a hit on performance. Thanks, Jon ...more >>

Hallo NG, a few jears ago i made myself in c++ a funktion to convert 4 Byte to one float variable: //########################################################### // Make from 4 Bytes one float variable wich is 4 bytes long //########################################################### float ...more >>

I have a function written in vb 6 which returns an array of results within a collection. In asp i get the array with this type of code arList = objGetRecords("cdrecords") I generated wsdl file for this function using soap toolkit and the dll. Then added web reference to asp.net(c#) project ...more >>

After reading the new Roadmap on the .NET homepage (http://msdn.microsoft.com/vstudio/productinfo/roadmap.aspx ) I was wondering how all of the changes proposed to the C# language are going to be handled through the ECMA. Is Microsoft going back to the ECMA to try and change the standard or...more >>

Is there any way to express this more concisely? if (someString == null || someString == "") throw new ArgumentException("String must have something in it."); // or something What would be perfect would be someString.IsEmpty(), but MS didn't see fit to include that particular one. Maybe...more >>

Cannot figure it out. If somebody can help, I'd appreciate it. I am using DHTML Edit control from C# for editing HTML pages. I am trying to insert a table into an HTML page and I keep getting an error. Here is the code: DHTMLEDLib.DEInsertTableParamClass oTableParam = new DHTMLEDLib.DEInsertTab...more >>

Hello All, I wrote a program in which I have a OleDbConnection which I open in the contructor and close in the Destructor. When I run the program I get the following error Unhandled Exception: System.InvalidOperationException: Handle is not initialized .. at System.WeakReference.get_T...more >>

hi i am quite new to .net and am trying to implement page templates but i just cant seem to get it to work, and i dont quite follow the examples on the net. all i want to do is create a template where i have a header (user control), left column, and footer on every page. the remainder of the ...more >>

Hi, Does anybody know if it's possible to have the small "x" on the tabpages in a tabcontrol ? I need a nice way to close them, without a big, ugly buttom on the tabpage itself. It would be cool if the "x" was on the tab "header" (the one you click on when you want to switch to a tab). Than...more >>

Dear Sir or Madam, Why did the designers of C# remove the ability to use static local variables? What are the alternatives? What books are the best for someone of intermediate skill level that is migrating from MFC/C++ into C#? I have MS VS.Net 2002 Enterprise Edition and am not able ...more >>

I am preparing to upgrade a VS.NET ASP.NET project from version 1 to version 1.1. 1. Is it as simple as opening the project in VS.NET 2003? 2. Are there any issues to be aware of aside from not being able to open it in VS.NET 2002 after the upgrade? Thanks in advance! Mark ...more >>

Please help How to execute a program from C# console application? Where I can find a class which will do that? Marek Suski ...more >>

the axWebBrowser.Handle is the handle to the parent window. i.e. This.handle is the same as this.axWebBrowser1.Handle Is there code I can do to get the handle? Thanks in advance... Mike...more >>

Hi! I am facing an unbreakable wall. I have a class 'x' with one array in it called arr; in Equals(x arg) routine I compare the elements of the array. But first I check whether if( arg.arr == null ) { return( false ) ; } DEBUGGER shows 3 elements in the array - so it is not NULL!...more >>

I'm having trouble with calling an exported function in a native DLL compiled with eMbedded Visual C++ using C#. Basicly, I have one exported function in the DLL: whenever i execute this exe to Pocket pc it returns MissingMethod Exception. Code for DLL is NativeFunctions.h #ifdef NATI...more >>

It's really funny,take a look at your app build by vs.net 2003. I have a app that is 36KB just after been build. But when I run it by double click it and close it. It's size expand to 56KB. And then I run it again,it's size shrink to 36KB,and I close it,well it's size expand to 56K...more >>

please help.. I just wanted to write a very simple c# app, but the event seems not to be handled (i.e. no messagebox is displayed) can you tell what is wrong? Thanks! using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.F...more >>