I have a registry value that I wish to read from a web page. The web page that I wrote using "Wscript.Shell" works great, *if* I manually set up a permission on the registry value to allow the IUSER_MYMACHINE account to access it. The only problem is that this registry value is deleted sometim...more >>

Hi, Im currently working on a C# appn and facing a problem with memory leaks. In our application we have a tabcontrol and tabpage named "Main" in it. This tabpage has a treeview control and upon clicking on any node we create a new tabpage and add it to the tabcontrol. Currently in...more >>

How do you simulate an action on a Control, such as clicking a row header, by calling a function that is protected inside a class (i.e. protected void OnRowHeaderClicked(...))? ...more >>

My DataGrid has a ContextMenu assigned to it. If I right-click the current cell, I get the standard Windows context menu (Cut, Copy, Paste, etc.). If I right-click anywhere else, I get my context menu. I want my context menu at all times. Is this possible? If so, how? -- There are 10 kinds...more >>

How can a class inside a class (who is already instantiated) be instantiated from a string whos value is the name of the class? Thanks! ...more >>

Hi. You can add new delegates for an event with += and you can remove delegates from an event by using: -= but is there a way (method) to list all delegates added to one event??? Sincerely Greetings Lore ...more >>

hi, I am fresher in C#.I am learning this language of my own. So as a beginner i am facing some problems with debugging. The way we debug in Vc++ applications, we will be able to see the win32 code and all. So the same way when i am debugging c# programs i would like to get in to the cla...more >>

I am referenceing the ShockwaveFlashObjects (com) When the code compiles into the executeable it seems that I need to run the executable in the same directory as the referenced files. (below) AxInterop.ActiveXPlugin.dll AxInterop.ShockwaveFlashObjects.dll Interop.ActiveXPlugin.dll Interop.Sh...more >>

Why does for the same code I got different result the VB code gave me what I want why not the csharp? Thank you for your help... CSHARP CODE int sx, sy; double sdegrees; sdegrees = (90 - (5/15) * 90) * (System.Math.PI / 180); sx = (int) System.Math.Round(95 * System.Math.Cos(sdegrees)...more >>

I've seen many threads on Google about questions regarding stateless classes, and thread synchronization. However, either I am dense, or I have just not found the right thread, but I'm still not clear on how it all works. I understand that if I have a static member variable such as a collection,...more >>

Where can I find information about Runtime Security Policies? I have a winform that is hosted in a webform that needs to access the filesystem. Using the Configuration mmc snapin, I have created a code group that has 'full trust' for any assembly from the specified URL (a local intranet serve...more >>

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Hi, I'm trying to get the value of a field in a class using Reflection. First of all, I can't access private fields. I know MSDN says you can access them if the code is fully trusted, but what that means? I added at the end some code I used. Then, if the field is static everything work...more >>

Hi! I'm outputing text to bitmap using following code: //Create new bitmap oPic = new Bitmap(100,150); //Get Graphics Graphics g = Graphics.FromImage(oPic); //Set quality to high. g.CompositingQuality = Compositin...more >>

Hi, I am using sockets in my program. Somehow things work perfect while debugging but fail when run without glitches. How can I induce sleep periods in my code. I tried Thread.Sleep(20) but doesn't seem to work. Thank you. ...more >>

Someone has implemented a Datagrid Button for the Windows.Form? ...more >>

Hello, when I start a console app manually I get the output into the console. But when I start it with my application and read the standardOutput (which is redirected), I get nothing? It works fine with other console apps! Does this app doesn't work with standard output? Is there a way to r...more >>

Hi All, One : I have a property that get/set a array of an abstract class A By default my array is null In the propertygrid, It is not works correctly when my array is null. (when my array is initialized with one element it works fine) But I can not change the initial state of the array. I...more >>

Hi All, Just got started in C#... Here's some C# code: public MyClass { private MyThingy m_Thingy; public SetThingy(MyThingy thingy) { m_Thingy = thingy; } } I just found out that MyClass.m_Thi...more >>

I am confused I found Visual Studio.NET Pro 2003 on one website for $78 http://www.gopcplus.com/pcplus/product.asp?lMainCategoryID=39&lCategoryID=42 &lProductID=90990 then another site charges $749 http://www.atomicpark.com/productDetail.aspx?prodId=18328 What is the difference between t...more >>

Hi, Does .NET have classes or in the near future have classes to allow me to compress N files into one or somehow contain N files in one (even without compression)? If .NET hasnt or wont, does the platform at all have any I can PInvoke? Fanks ...more >>

What I have to write in the <see> tag in order to access the constructor of a class? E.g.: to access the constructor of a class MyClass I try <see cref="MyClass.MyClass"/> but it does not work. I try also <see cref="MyClass.#ctor"/> but it fails also. What I have to write? ...more >>

Does anyone know how to deploy a windows service on a prodution machine? The installutil looks to be working but I am unable to start the service after the install. Thanks in advance. ...more >>

Is there a generic way of getting the method metadata from within the method itself e.g. consider a method void knowThyself(string someParam_in ) { //want to know the information about knowThyself here in a generic way e.g. allknowing.printCurrentMethodInfo(); // this would print out t...more >>

I need to convert a byte to an sbyte - and it has to preserve the original binary meaning of the 8 bits. For example - a 1111 1111, which is interpreted as byte to be 255, should show up in the sbyte as -1. The BitConverter class only takes 2 byte arrays or larger, and the Convert.ToSByte simp...more >>

We have a Win2k box accessing the IFS to 1) list files 2) copy files and 3) delete files. When I do the same sequence from Windows Explorer on the Win2k box, I have no problems. However, when I do it programmatically (C# Windows Service), it seems that multiple jobs are being spawned on the A...more >>

I have experienced the same problem. I've played with the "smart tab" feature, but it appears to be broken. Have you found any solutions? Does Visual Studio .NET have a formatting feature? Mike ------ Hi, I tried out #Develop and Borland C# Builder. I liked #Develop but it was a bit ...more >>

Hi! I have a text "*.jpg;*.bmp;*.png" and I'd like to get "*.jpg", "*.bmp" and "*.png". I've tried the pattern "^(?:(\*\..+);)*(\*\..+)$", but it doen't work because it returns "*.jpg;*.bmp" and "*.png" (I know, it returns the longest sequence). Is there a pattern that would return what I want ...more >>

Does anyone know why this snippet of code continues to return x with a value of -1? Is there an issue with ArrayList.BinarySearch? ArrayList myAL = new ArrayList(); myAL .Add(1); myAL .Add(2); myAL .Add(3); object oX; oX = 3; int x = myAL .BinarySearch(oX) According to ...more >>

I placed a combobox control on User control and this user control was placed on a form and I tried to catch the keys pressed on that combo box, but I am unable to do it. I set the property of keypreview to true. But when I do the same for text box it is working fine. After that I placed th...more >>

A handy piece of code... Put this in your Dipose() methods and it will do all your clean up for. Just need to add support for unregistering events and all our memory leaks will be gone! public void Disposer() { Type type = this.GetType(); if (type != null) { foreach(FieldInfo fi in type...more >>

When I execute the following code when using a dynamicall created LinkButton in a dynamically created dataGrid, the DataGrid disappears and the page I am trying to get to does not load. Can anyone see what is wrong here? protected void Grid_ItemCommand (Object sender, DataGridCommandEven...more >>

Hello, What is the equivalent "string resource file" in c#? And, is there a way to create a beep in C#? Thanks, Dan ...more >>

Simple question - I have a text box and the multiline,and word wrap are turned on. this.txtProcessInfo.Text="a\n\b\nc\n"; I think this would display as a b c but I just get abc. What should I set or do different ? Thanks...more >>

How do I hide any particular DataGrid Cell from visible, or any DataColumn for the matter?...more >>

I am trying to write an application that displays news articles on a web page. I have recently moved to C# and currently I am trying to learn how to use good Object Oriented design. I assume that I should create a class called mynews. This will hold member information such as headline, dat...more >>

Guys, in the code that follows, why does the method F() still compile, even if DBG is undefined? Inside method G(), the code inside <#if DBG> does not compile (notice that I can write whatever I want in there, I will not receive a compilation error). I do get such an error in F() - because of ...more >>

Hi all, Is there a way to programmatically restart Windows (2000, specifically), login automatically then start an application? I've been running across some Windows Shell options (which further examples would be appreciated) but would particularly like to find a .NET-specific example. TIA...more >>

Hello, I have a number of ColumnHeaders that are 'hidden' (width set to zero). However, it is still possible to size them. The reason why they are hidden is to give the illusion that they do not exist. Is there a way to stop the user from being able to resize column headers that I hav...more >>

Hi, I wrote a class in the same namespase as my whole project and in few forms I am trying to use methods that are implemented in that class. In one form it works perfectly and when I am trying to call methods in other forms this error is generated: " An unhandled exception of type '...more >>

Hi I have a Console project and want to make sure the with of the Console is 80 characters long, if not i have to set it to 80 characters Any suggestions ?...more >>

Are there any plans in a future release of .NET to allow Managed C++ to co-exist in the same assembly with C# code? The reason I ask is that I keep running into the problem where conceptually speaking classes I make belong in a single DLL / Assembly; due to the nature of their implementation, ...more >>

Hi i would like to ensure some code cleaning methods. #1 COM objects Is the following the correct way ? objMe = null; #2 Dispose VS. null Mydataset.dispose(); or Mydatatset =null #3 c# class objects myobject Myinstance = new myobject(); .... ... Myinstance =null <--correct ? ...more >>

Hi, Is it possible to give a different background color to a single column in a Datagrid? And arrange the text position in the single cell ( middle center)? Thank you in advance, Fabrizio ...more >>

Hi Ok I just want ot post this as I am involved in a project that si suffering really badly in performance using the .Net C# and some coom interop. The reason I am posting this message is that it is the second project in a row that I have found similar problems. I am wondering has anybody e...more >>

I've read the docs and evrything seems fine. Then what I am missing ? This is the code snippet: try { Assembly LAssembly = Assembly.LoadFrom(args[0]); Type[] LTypes = LAssembly.GetTypes(); foreach (Type LType in LTypes) { if (LType.IsClass) { Console.WriteLi...more >>

Hello group, I'm writing a spidering app and I'd appreciate some advice on threading. My plan of attack is to have a main thread fetching the html from a list of urls in a xml file, then spawning a new thread using ThreadPool.QueueUserWorkItem(new WaitCallback(threadFunction)); to do the actu...more >>

Hi, Is it possible to subscribe to os events. I would like to invoke my program (.e.g. maximize it from the task pane) when a certain key combination is pressed. Much like the explorer can be started by the windows key + E. Is this possible. best regards Jesper....more >>

Hi, I even read the related parts of language specification but could not find anything that explains the following: ==================== public class A { public void Foo(object o) { System.Console.WriteLine("Foo(object o)"); } public void Foo(string s) { System.Console...more >>