From what im reading about backgroundworker thread it seems it can only have 1 thread at a time is this correct tks ...more >>

Hallo, I'm trying to call a COM function from C#. The function has a parameter from the type array of IStream* (IStream**). The COM component (out-proc-server (.exe)) has the following code: (C++) STDMETHODIMP CIntf::SendFiles(int noOfStreams, IUnknown** dataStreams) { for(int i = 0...more >>

Hello, I am creating a ControlTemplate for a ComboBox. This ComboBox will have a transparent background so it uses the control it is placed in as its background. I would like the background of the Popup to also match the parent control. It cannot use the Transparent background of the C...more >>

Can anyone tell me what kind of problems I am about to experience with vista? I just bought a new laptop and I can't seem to get all my drivers working for XP, so it seems like I have no choice but to go to vista. Thanks ...more >>

Hello! I just wonder what is the point of having the reader variable declared as TextReader in the snippet below.. Is it because of using the polymorfism on the reader variable perhaps. using (TextReader reader = new StreamReader(fullPathname)) { string line; while ((line = reader.R...more >>

Hi I recently switched over to VS2008 and had to create my first setup project (in VS2008) for an already existing project. So I had Visual Studio convert the existing solution, then added a setup project to it. I made sure that the runtime version of the upgraded project was set to 2.0 as ...more >>

How can I find a file in .NET? I know I can use Directory.GetFiles() with a path and mask like '*.txt' but our directories in production can have 10's of thousands of files. I just want to get the first match to the mask quickly without having to fill a huge array. VS 2003, .NET 1.1. Than...more >>

I know I'm going to feel like a fool when this is answered, but I am importing a C++ DLL that has an out parameter that is an "unsigned long *". What do I declare in my import to represent that parameter? C++ sig: HRESULT SomeFunction(/*[out]*/ unsigned long * aVariable) C# code: [DllI...more >>

Hi, When I create a new Thread and start it and after a while I kill the thread, how can I auto-invoke a method upon killing the thread? I mean is there a delegate or something to use when the thread is killed to call a method? Thanks in advance....more >>

Hi, given the string '1(10) 00069- rob c pettit 54' Id like to know if its possile to replaces spaces with - only when preceded with a letter and followed with a letter. Giving '1(10) 00069- rob-c-pettit 54' Regards Robert...more >>

I have an application that will look at other Windows applications that are currently running. In a listbox I have the names of these applications and their Windows ID. When the user clicks one of the application names in the listbox I want to either minimize or restore that application's wi...more >>

Hi, I need some type of array/list/... In which I can store objects together with a unique key. The most important thing is performance: I will need to do the whole time searches in the list of given keys. Which datastructure will be best suited for this? A Hashtable? The list may contain u...more >>

I've seen web sites that check to make sure an e-mail address is valid. How are they actually doing it? I'd like to integrate that into some code. TIA - Jeff. ...more >>

Hello, I am trying to print out an hour in a format of 3pm or 5am. I've tried the following, but it throws an exception saying invalid input string: string times = string.Format("{0:h}{1:tt}", startTime, startTime); However, if I change h to hh, it works fine, but then it prints out 03am...more >>

I have a structure that contains both 32x32 and 16x16 icons plus some text. I want to write all this to an XML file so that I can recover the icons later in an application. Can someone tell me how to properly serialize the System.Drawing.Icon structure to an XML file? The following code d...more >>

Sorry, this was originally posted in VB.Net newsgroup, but I meant for it to be posted to the C# group initially, so I'm sorry for the multi-post, my mistake. ------------------------------------- I have a console app that accepts input from the user. This input can be a command for the ap...more >>

I'm creating a tcp socket connection from the thread in the c# threadpool. Since the default workers thread is 500, sometimes my program tries to open up 500 different tcp socket connections and the connection fails after it reaches certain number of opened tcp connection. I guess it reached t...more >>

Hi, I am using C# to read large FoxPro data file (DBF). Everything works fine except it is too slow to load the file in buffer (I think). Anybody know how to solve this problem please instruct me how. I am new to C# so I don't know alternative way of reading data faster from database. Apprec...more >>

Hi.... when i use the new keyword myobject obj1 = new myobject() myobject obj2 = new myobject() myobject obj3 = new myobject() does each of the object have a complete instance of myobject, or do they share the methods of myobject another words..does each instance have a complet object/met...more >>

Hi I have a web applications ( one with the dll ). and I have declared some classes. However, I keep getting warnings that the class c:\xxxx\xxxx\xxx.cs conflicts with the imported on the in c:\xxx\xxxx\xxxx\cccc.dll I cant remember having this problem before. How do i get around it ? ...more >>

Hi. I am building a custom telnet interface and my problem is that I want to read the user input along with the previously written stream. Right now I am logging the user. I have Login: Bill Login is written by: buffer = ASCII.GetBytes("Login: "); _clientStream.Write(buffer, 0, b...more >>

Hi: I am trying to capture std output from a console application and redirect it to a textbox. The code below works the first time the process is started, but on subsequent starts it fails to capture the output (the process definitely runs every time). What am I doing wrong? namespace Wi...more >>

Hello everyone, I just ran into the following scenario and couldn't figure out something that I thought should be easy as pie. I have a class that contains a dependency property, let's say it's a DateTime property. I can bind directly to this property via TwoWay and all is well. Now I want ...more >>

I cannot get any (hex) number in the "0x80"-"0x89" range (inclusive) to write properly to a file. Any number in this range magically transforms itself into "0x3F". For instance, debugging shows that "0x83" = UInt16 "131" and that converts to Char (curly) "f". Any information would be helpful. ...more >>

Because C# has no native SSH class, I am using SharpSSH. Sometimes, for reasons I do not know, a Connect call will totally lock up the thread and never return. I am sure it has something to do with weirdness going on with the server I am talking to. Anyhow, this locked up state happens o...more >>

I have a problem. I have two instances of a client-server application running on two different machines A and B. A has a listening service, that listens for connections from B B has a listening service, that listens for connections from A The problem is what IP to bind the listening service ...more >>

Hi... Can anyone plz tell how can i login through C#.net application into Vss and extract files from ths VSS database. ...more >>

can anybody tell me how to use the namespace?what s the benefits of using namespace? can we create our own namespace? thanks in advance...more >>

I'm trying to run some code I typed in from "Pro .Net 2.0 Windows Forms and Custom Controls in C#", and I'm getting two errors that seem like they shouldn't be happening. One example is: if (mc == null) [where mc is a reference to Quartz.dll, which I pulled in by letting VS 2008 do an...more >>

I have dataGrid that I am filling from a List Collection and need to sort it by the various columns. So I need to be able to sort the Collection and found that you have to set up your own sorting functions to make it work. I have build the following 3 sorting functions for the 3 columns and...more >>