I need a mechanism for unifying constant objects. Sort of like a generalization of String.Intern. The constants can be nested (think pure Lisp or immutable DOM). I need a kind of weak-reference dictionary, so that garbage constants will automatically be removed. At present, the best id...more >>

When gc-able objects are created, this happens at increasing (or decreasing) addresses. Is the ordering of these addresses guaranteed to stay the same? Or can an object be moved past another during compacting, as a result of pinning or gc optimization techniques? A scenario might look like:...more >>

Hello, I'm working on two bugs in my app. They seemed unrelated at first glance, but after some testing and searching the web for clues I am now sure they are somehow connected. The two pieces of code execute frequently, at regular intervals (this is a monitoring app) and sometimes - just s...more >>

I am not sure if this is the right group but I didn't see languages group. I have the following statement: if (e.SourceRow["COL1"] as string != e.TargetRow["COL2"] as string) { // do something } The COL1 and COL2 are both double type. e.SourceRow is System.Data.DataRow and the ind...more >>

I have a multi threaded app that seems to have a thread locking issue. Are there any tutorials and tools that describe how to go about tracking this ? I looked at the CLR profiler but that seems to be focussed more on the heap and memory usage. Any pointers ? =sam...more >>

Given - .NET 2.0, App 1 creates a TCP listening socket on 127.0.0.1 App 2 connects to the same socket on 127.0.0.1. All works fine until the app is installed on another machine without Visual Studio. Then the connecting client gets - ---- UnauthorizedAccessException --------- Mess...more >>

As per our requirements we have a web service which internally connects (Simple HTTP Post Request) to a remote server to initiate some work. We are calling the web service method asynchronously from a .NET Web Application hosted on IIS. In our setup the web request form a client can be running...more >>

In the following code (over-simplified, of course), the generic method calls itself recursively, quickly resulting in a StackOverflowException: public T[] GetArray<T>( T value ) { return GetArray( value ); } public Array GetArray( object value ) { return return new ArrayList().ToArray...more >>

I am working on a project where they want to append to a file but the data has to be in HEX. I am getting the result from a SQL query and I want to buld a string for the new record. but again the output is expected to be in a HEX format with a record length of 64 bytes. Any thoughts?...more >>

Hi, I am using ASP.NET 2.0, I need to obtain a reference to System.Web.Security.CookieProtectionHelper . To do that, I need to load System.Web.dll. However, this library is already executing and if some how I can obtain a reference to this library then it might save me a bit of performanc...more >>

I'm using a managed Custom Action hosting the CLR from a c++ dll using wix . That works great except when I need to use the Custom Action more than once cause in that case it crashes. After some debuging I found that the error raises when I call the method CreateDomainSetup(&pDomainSetupPunk) fr...more >>

Is there a way to find the size of the entire array in .NET I tried using Marshal.SizeOf() but apprently it gives me an ArgumentException if I use a value type. So if I have an array; int[] arr = new int[] {1,2,3,4}; can I get the size of the array in bytes? source ...more >>

I was thinking of using appdomains and loading a winform assembly in each one. This would be a client application. Creating an appdomain seams lighter than a process and I can share data between appdomains. Any reason why I shouldn’t? Any examples? I can create an appdomain and execute ...more >>

Is there a way I can find what CPU family my application is running on? I am trying to find if the processor is a 64bit or 32bit. Is there an API exposed in the framework? Any help will be helpful. thank you, source ...more >>

Do these messages in the event log look familiar to anyone? Could they be caused by calling Thread.Abort() on a System.Threading.Thread without giving it time to clean up? They are generated when a service written in .Net 2005 is stopped. Nothing abnormal seems to happen as long as the ser...more >>

I'm using dotNet V1.1, C# . I create a class library as follows: using System; using System.Web.UI.WebControls; using System.Windows.Forms; namespace ClassLibrary1 { public class Class1 { public Class1() { } public static void SetVar(ref System.Web.UI.WebControls.TextBo...more >>

If IE load an assembly, I am wondering which version of clr IE will host? if we have both 1.1 and 2.0 at client side. Thanks...more >>

Hi, I need some info on text and xml files...... How many users can simultaneously read a text or xml file... I've a web appliaction which needs to access a text file and a xml file.. The current users of the system are around 1000 people... Can 500 amongst them read those files simul...more >>

I have a dll that I wrote in Visual Studio 2005 and would like to add it to one of our older apps (CLR 1.1). Can I do it? The machine has the .NET Framework 2.0 installed and the dll doesn't do anything special. It doesn't utilize Generics or anything.. Just a lot of business logic code I do...more >>

Hi all! Is there a possibility to statically link used .NET components into my programm... (to enable it runs on machines that do not have .NET Framework) Like static link of MFC libraries.. Thanks in advance. ...more >>

Hi everyone, I have a .NET 1.1 application ready to be ported on .NET 2.0. With some of the features made obsolete in 2.0 and the new recomended methods are not available in .NET 1.1, It leaved me with a question in mind: How come I conditionally compile my application with .NET 1.1 and 2....more >>

I have a bunch of files I need to put into Compressed (zipped) Folder, MyFiles.zip file, similarly to what Windows XP does when you send files to compressed zipped folder. What is the simplest way to compress these files into a .zip? I found System.IO.Compression, but I am not sure how to ...more >>

Is it possible to run two versions of the CLR in the same application? The framework of our application was developed in 2003 under CLR 1.1 and some of our plugins were developed in VS 2005 and need the 2.0. The 2003 components experience problems when running with the 2.0 CLR only. I hav...more >>

I am tyring to get inhertied members of a type using relfection, but i am not able to do it. What bindingflags do I need to use to get inhertied members. Any pointers will help source ...more >>

Hi. Not too long I had to use Reflection.Emit to dynamically generate some classes that were only to be dynamically generated based on runtime conditions. Before emitting the op codes, I created a class and compiled it, then reviewed the op codes using Reflector. Well, I noticed the c...more >>

is there any way to make Animal.Foo() being called ?? //============================== namespace ConsoleApplication1 { class Program { static void Main(string[] args) { Animal z = new Mouse(); z.DoSth(); } } class An...more >>

Hi all, I'm inquiring about the mechanism that is used to implement event handlers in .NET (not really relevant, but I'm using C#). Anyway, I've noticed that I can pass an object in an event argument and if the receiver (event handler) of that event changes any of the properties in that object, ...more >>

Hi all, This thing came up while discussing on the practices for Exception Handling. One of my freinds has strong feeling to not to do soomething like: try { // try something } catch (Exception ex) { throw(ex); } I was told that catching and throwing the same exception is B...more >>