Hello, Below are to equivalent(?) pieces of C# and VB.Net code While the C# version compiles with no warning, the VB.Net version does not compile due to the compiler error BC30149: Class 'c2' must implement 'Sub m1()' for interface 'i1'. Does it mean that in VB interface must be implement...more >>

Hi, I want to be able to drag and drop some files onto my application but it is only possible to drop at a location where I have no child controls. e.g. If i have a form with a textbox on it, I want to be able to drop the files anywhere, but currently I can't drop them on to the textbox i...more >>

Hello, We're developing application in VS2005 using vb.net. Our application exe file is ~20mb when compiled. Recently, we have developed auto-update feature that goes on our web-site, authenticates through WebServices and if neccessary downloads updated app.exe file. We had to use custom ...more >>

Hi, I have a C# app where I want validate a year range (1900 - 2006) using a Regular Expression. Am not familiar with writing Reg Exp's at all. Anyone got one that does something similar with Years? Tnks....more >>

Hello, i want to use "MS Visual C++ .net Version 2003, Patch Level 7.1.3088, ..net Framework 1.1, Patch Level 1.1.4322". The question is now where can i get this version? Is it included in a bundle or can i also buy it separate? Thanks for your help. M. ...more >>

Hello, I am trying to load an assembly A which references an external assembly B, by using Assembly.LoadFile method. A was loaded but B was not. When I try to invoke a method in A, which requires assembly B, it fails. How can I solve this? -- Best Regards, W. Jordan ...more >>

Hi, In a windows app is it necessary to explicity release delegates from events by implementing dispose, or should the framework take care of this? I've read that you only need to implement IDisposable when handling unmanaged resources, which makes sence... however... Investigating a me...more >>

Hi, Is it possible to catch event when a .net application process is killed in order to do the required cleanup? ie. task manager - kill process. The only way I can think of doing this currently is by using windows messages to catch the destroy message. From what I've read CLR doesn't appe...more >>

I am creating a TCP server app, which will run on a particular machine. Currently I am using the following code (C#): LocalHost = Dns.GetHostAddresses("localhost")[0]; Port = 2121; CommandListener = new TcpListener(LocalHost, Port); Command...more >>

Our software package works fine under XP but when I run under Vista RC1 as an administrator I get the following exception: Exception has been thrown by the target of an invocation. ---> System.Security.SecurityException: Requested registry access is not allowed.\r\n at System.ThrowHelper.Th...more >>

Hello all, What do I need to install in a Windows 2003 server and Microsoft Office SharePoint Portal 2007 server in order to use the workflow features of Windows Workflow? Does Win2003 already have the priore version of WWF installed? if not, then what file do I need to install on MOS...more >>

Hi, I am looking for component which allows me to parse my xml file. the reason i am asking this, is because my xml files are huge it can reach as far as 1GB more or less. the time to parse such a file is something like 5 Hours. Now i am using the XmlRead, XmlNode ... (I do not load the file to...more >>

Why doesnt ArrayList implements the Equals() or GetHashCode() methods? How is the developer supposed to check if an array list is equal to another array list? Is the developer supposed to iterate through the array list to find out if they are equal or not? This should be handled by the framework...more >>

Hi , I am new to Managed c++ and C# . I've to use unmanaged code in C# . For that I've written a managed wrapper. I am passing a byte array to a function and updating that byte array. And I've to use that in my C# code. And the link http://groups.google.co.in/group/microsoft.public.dotnet....more >>

Hello, I am developping an application (using C#) and I need, whenever the user click on the form, this one not to be activated. (the system mustn't give the focus to the form). After several search I saw a way : overriding the WndProc (wich belongs to form class) and replace the WM_MOUS...more >>

Hi All, I read article (http://msdn.microsoft.com/msdnmag/issues/05/08/AutomaticProxyDetection/default.aspx). I need yours help. Please advise me My Requirement is given below. This is C# windows .net application(application as i need *.exe file rather than install file ) w...more >>

On my Server 2003 image I have installed vs2005, an earlier Orcas (wsextwfx.msi), the 6.0 Windows .Net SDK, the .Net 3.0 framework (dotnetfx3.exe)and now I'm trying to install the latest Orcas. But I get an error message that says I need the .Net 3.0 runtime installed first - but I have tha...more >>

Hey there Which is better: "(inSet as ICloneable).Clone()" or "((ICloneable)inSet).Clone()"? Thank you...more >>

Hi, When you create a new AppDomain, objects you created in there using say AppDomain.CreateInstanctAndUnwrap() run in the same thread as the caller is that correct? If so, how could I create an AppDomain having its distinct thread? In particularly, I would like to create several AppDoma...more >>

Hi group I have a video game wich probably make an error. this error is catched by the MS JIT debugger and my game is closed. i would like to deactivate the JIT to see if my game could continue ... How can i deactivate the MS JIT of VS2005 ? thanks ROM ...more >>

Hello, I have a VC++ Project that outputs an unmanaged DLL. I would like to convert this project to a managed C++ Project. The goal is to mix unmanaged and managed code. Un unmanaged exported function will need to run managed code. Is it possible ? TIA. ...more >>

If I use software like OpenOffice and try to drag text I could notice that 1. when I drag inside the document I'm moving the text 2. when I drag outside the document I'm copying the text Yet it all looks like one smooth operation. With correct cursor feedback (the little + marker next to the ...more >>

How can I get a record count of an SQL table without the actual records being retrieved? This is what I'm using right now and it does take a long time for big tables: SELECT COUNT(colName) FROM myTable Thank you!...more >>

Hi there, Has anyone had any serious performance problems with this class. A couple of hundred rows of data with 4 columns (everything loaded on-the-fly with no DB involved, all simple strings, 90% under 10 characters, the rest as high as 500-600 characters, wrapping turned on) literally ta...more >>

I want to be able to detect in vb.net when a user has logged on to a domain via remote desktop on a Windows 2003 Server. Is there any way to do this? TIA ...more >>

Hey I'm wondering if Common Language Specification is a subset of Common Type System? Jeff ...more >>

Hi, In trying to understanding the .Net Remoting plumbing I have a questions and wondering if anyone can help me? I have read Rammer's excellent book but still having got all the answers. This is what I have and I know of. I have a client program, Client, and a server program, Server, w...more >>

hi everybody. I have a server with windows 2000 server and framework 1.1 Can intall framework 2.0? for your suggestion thanks. ...more >>

hi, I need to know the locaton of a project that i am referencing in my project. So in the project that i want to reference I created a public method in a class that returns Application.StartUpPath . However, when i access this method from my project it return the StartUpPath of MY proje...more >>

I am referencing another dll from within a class library and it seems to allways be looking for an older build version of the reference. I have tried removing and re-adding the reference but to no avail. Originally I was referencing the dll and so tried adding the project and referencing tha...more >>

in my Visual Studio installation , I cannot go to immediate window using Ctrl+Alt+I ? Could anybody tell me how to set it work ? Thanks in advance....more >>

Hi, I have an application that is launching a process (see the code below) to perfom some operation on a file. On Windows 2000, if my application first uses the OpenFileDialog to open a file on the desktop, Process.Start failes with the following exception: System.ComponentModel.Win32Exc...more >>

I have been fighting a problem for about two weeks and I can't seem to find any info on it. Any help is greatly appreciated. We have an ASYNC I/O system for email receptions (in bound email). This service has been working very well for years. I upgraded it to Dot Net 2 / VS 2005 and moved ...more >>

I have a client application that connects to a TCP server and uses the Socket class. The application connects every 10 minutes to the server and exchanges information. The application runs fine but we have been having a problem after running it for several days where we receive a socket e...more >>

How can I make the compile silently so that during the compiling of the solution, the .cs files name will not be listed in the output window? Thanks. ...more >>

How can a 2.0 framework assembly like system.runtime.serialization be missing from my machine? How can I get it back? Do I have to re-install the 2.0 framework? If so how? tia ...more >>

Hello I'm trying to create a class that maps other classes. Basically I want to pass a custom class to my class and retrieve all it's properties names and build: lists, arrays, list view controls, etc. Would the Reflection interface help me with this task? If so how do I go about using ...more >>

I have a problem that I cannot figure out. I have a number of controls (list boxes, radio buttons, text boxes, etc) that are not functioning properly. The properties of each control are set (via code) but they are not being updated in the form that contains them. The opposite is true as wel...more >>

I'm writing a method (MethodA) that needs to know what method of what class called it (so it can say, "ClassX called me"). Without having to pass the type down the chain. To do this, MethodA walks back up the StackTrace and use GetMethod() looking for the first method it finds with a custom a...more >>

Hello everyone, I want to create an application where I can display a structure of pipes in 3D. What API should I use? OpenGL, Direct3D or something elese? It should be a simple API. bye juergen ...more >>

Hi! I have the following problem on .net 1.1: I reduced the problem to the following code: byte[] ByteArrayOk=new byte[17000000]; ByteArrayOk=null; byte[] ByteArrayOutOfMem=new byte[16773276]; // Exception here!!! ByteArrayOutOfMem=null; which throws a System.OutOfM...more >>

Hi group I have a control looking like a TrackBar, a bar, with a cursor. I need when the user push the left arrow of his keyboard, the cursor move left until the key released. I have overloaded the OnKeyDown method like this : protected override void OnKeyDown(KeyEventArgs e) { base.OnKe...more >>

Hi, maybe someone knows if there is a possibility to use the [Conditional("DEBUG")] method sign with a 'Not' like #if !DEBUG ....do somethin #endif [Conditional("DEBUG")] private void myMethod() { } exists somethiong like this??? [Conditional("DEBUG", false)] private void myM...more >>

Can I develop .NET 3.0 with Visual Studio 2005 Express? I did not see any settings in the interface to use the 3.0 runtime. ...more >>