hi, currently iam working on c# i need to pass a parameter inside a function which is a OUT parameter and i need to pass it as a reference how to do this? please help me regarding this issue........ regards bharathi ...more >>

How can I drag and drop files from Explorer to my .NET application in Vista? It looks like the DataFormats.FileDrop doesn't work anymore in Vista. An example would be greatly appreciated. Thanks. Andrea...more >>

Hi! I am going to build my firs Windows Application that involves a Database. Now this database and its tables are quite large so i got a couple of quizes regarding performance etc just to get me started... One of the tables includes over a milion customers. This is not a great idea to ...more >>

Hi All, I recently worked on delegates. But I have a question regarding Multicast delegates. The scenario is as follows: I have a delegate myDelegate with object dlgt, and two methods myMethod1(), and myMethod2(). Using multicast delegates definition I can write as follows to add the two...more >>

I have a custom collection which derives from Collection<> which stores a number of objects. Before each item is added to the collection - an event which it exposes is hooked by the collection and the re-fired to its parent. eg class MyCollection : Collection<MyType> { public AddAnObj...more >>

Hello - I'm working on a simple instant messenger application, and I have it working but in order to achieve the results I want I need to make a few changes. The problem is that I have a class that contains a Socket. If I try to assign a socket reference to the socket in the Client class a NullR...more >>

Hi, in VB i could use the keyword Now to get the current DateTime, but C# doesnt have that. How can i get the current time? thanks -- -iwdu15...more >>

Hello! I've got a method : public static Object _Add(Object val1, Object val2); {} val1 and val2 are among of these types : - sbyte - byte - short - ushort - int - uint - long - ulong - float - double - decimal Types of val1 and val2 do not necessarily match (i.e. val1 may be in...more >>

This is the code snippet that I've come up to convert a byte[] to string. Is there a best practiced method for such a conversion? - Jamie public static string ByteArrayToString(byte[] array) { if (null == array || 0 == array.Length) { throw new NullReferenceException(); ...more >>

I have a four (4) byte array that follows the IEEE 754 format. (It arrives on the windows platform from an embedded system via USB). How can I extract/convert/assign the encoded array to a native float variable? - Jamie...more >>

How Can I do for search a computer in my Active Directory with c# and .net framework 1.1? Thanks...more >>

Is the file "Microsoft Visual Studio .NET 2003\VC7\INCLUDE\crtdbg.h" (specifically, the new operators) used in any way, shape or form in C# ? I am involved in writing an app that uses managed C++ and C# and I'd just like to verify that the memory leaks we're getting aren't connected with the C# ...more >>

Hello Is there a simple way for a newbie PC user to determine if NET 2.0 is installed? ...more >>

Hi everyone, I need some help... I call an external exe (a command-line tool) with Process.Start through this code: try { p = new Process(); p.StartInfo.UseShellExecute = false; p.StartInfo.FileName = ExePath; ...more >>

Hi.. need help.. Sample text: [NF-I] nnn nnn nnn nnn nnn [NF-F] [BB-I] nnn [BB-F] [BB-I] nnn [BB-F] [BB-I] nnn [BB-F] need get groups.... select return 4 groups.. like = \[(?<InitialTag>.*)](?<Text>.*)\[(?<FinalTag>.*)] but code return 1 match [NF-I] nnn.... ...more >>

Shalom. I need to go over a file, and check for each line if it matches a Regex from a list of expressions. (If it matches ANY of the expressions, this is good enough). I have put the Regex's in an array, but it seems to take too long to compare each line to all Regex's. So i thought m...more >>

I wonder how would the CSharp avoid repeative include Assembly repeatively, because we coud using same Assembly in on just one Assembly twice or more....more >>

Hello, I have developped asynchronous socket communication with blocking Socket commands (accept, connect, send, receive) by using threads on Windows .NET Forms. It is working properly. Now I want to code the similar program with Asynchronous Socket commands of .NET using Managed C++ on W...more >>

Hi, how can I serialize a dataGridview Object? I didn't find any method with name serialize(). I know it sound wired, but I want to encrypt the data afterwards... Regards Tino ...more >>

Hi, I'm trying to delegate all events of a command button to a single method, handlesAll. I wrote the following code in VS.NET 2005, and it worked fine: public void setUpDelegates() { MethodInfo mi = typeof(MainForm).GetMethod("handlesAll", BindingFlags.Publ...more >>

Hello can someone tell me whats the best way to place user controls on a form? I have to place a dynamic numer of usercontrols inside a form and of course the form needs to show up scrollbars. I thought of building a container-control (derived from UserControl) that uses Autoscroll=true an...more >>

Hi All, ********************** My Situation ********************** I am working on project that involves passing a structure to unmanaged code from .Net world (well using C#). Perhaps an example will prove useful. structure MyStruct { // this is a complicated struct declaratio...more >>

The following code was supplied by a kind poster as a solution to a problem i was having. But it's not quite working. I have commented the code myself below. Can you please read my comments to make sure what i've said is correct to check my understanding of what is happening. Also the problem ...more >>

Hi experts! I have two projects ... so First project cs code like this, using System; using System.Collections; using System.Configuration; using System.ComponentModel; using System.Data; using System.Data.SqlClient; using System.Drawing; using System.Web; using System.Web.Se...more >>

Hello, I have a little question about operator >> between integers: does anyone know why, when I write: "1 >> x", the returned value is 1 for all values multiple of 32 and 0 else (this does not hurt me, 1 does). When I do the same thing with : "1L >> x", only multiples of 64 do this. I thou...more >>

This is the first time i've worked with openfile dialog. I'm getting a couple of errors with my very basic code. Can someone point out the errors in what i've done please. ========================================== using System; using System.Collections.Generic; using System.ComponentModel...more >>

hello, I am just wondering what is the different by putting an extra "@" sign in front of string delcaration ? Specifically : string test = "hahaha"; string test1 = @"huhuuh"; What is the difference between test and test1 above ? Thanks a bunch. rgds Rob ...more >>

Hi all, I have a classic problem: List<T> and List<X> where X is a class X : T. Ok, I know the problem: I cannot cast List<T> on List<X> because also if X is a T, List<X> is not a List<T>. What I don't know is the solution :) Let's see this scenario (that obviously doesn't compile): // -...more >>

I read some articles about stringBuilder vs string. I'm using the loop, so I must use string builder. My example: String s1; String s2; String s3; StringBuilder webLines=new StringBuilder(10000); for (int i = 0; i < 10000; i++) { s1="get from logic 1" s2="get from logic 2" s3="ge...more >>

I receive this message: "System.InvalidOperationException: Cross-thread operation not valid: Control [your_control_name_here] accessed from a thread other than the thread it was created on" .... this is a exception. Can fix it? ...more >>

I have an abstract class with a bool property: class Abstract { protected bool throwException; protected void ThrowException{ if (this.throwException){ throw new MyException(); } } } I then have two derived classes that have propertys: class A : Abstract...more >>