i want to manipulate a check box in another process,how can i get it the check box in the process A,developed by C# now i want to manipulate the check box in other application developed by MFC as the usually,i sendmessage BM_SETCHECK from the MFC application to the checkbox of a C# application...more >>

I am creating a screen saver in VB.Net and am having a problem with showing the screensaver form in the preview pane. The code works correctly in the the form does display within the preview window. I created a simple for for testing called Preview that only had a label on it and the text "This ...more >>

Hello, this may seem a strange question, but is there a way of being able to call methods of a class through an array of that class when not referencing a specific object in the array. In other words, defined a class class_A I'd like to be able to do the following: // defining an array of ...more >>

Dear friends The XML format for reading from .Net is as this: <?xml version="1.0" standalone="yes"?> <dataroots> <Table1> <ID /> <Name /> </Table1> </dataroots> Is it possible to implement one more table, ex. Table2 in the same XML file and if so how is the format? Regar...more >>

Hi! How can I achieve the situation like that: there is some application (.NET) and it is using some class library (strongly named, installed by .msi, registered within GAC). I'd like to have a crash on my client application when the class library version differs from the one compiled with my...more >>

Hi, I'm having several memory leaks in my Windows Form (C#). Testing, I found a curious thing: Put a ListView control in a Windows Form, run the project and start the TaskManager. Each time you focus the form or pass the mouse in/out the ListView, the memory used by the application ...more >>

Hi All ! I know nothing of design time component but I need to write one with a tricky problem. I have an app to edit / view a data structure, let say 'house' object with many 'room' and 'furniture' objects I want to write a plugin (as a DLL) which would work only for a give datastructure ...more >>

I have 3 .net windows service applications. I need that windows starts them in a sequence First the X service, Second the Y service and third the Z service. Something like When you stop the IIS Admin, windows stop first the WWW, FTP and other dependencies I need to do exactly the same thi...more >>

I have this really frustrating problem when calling XmlDocument.Load(string filename). Whenever I call this method in a web application in my Windows XP development PC, I get the following error: Specified argument was out of the range of valid values. Parameter name: The specified value must ...more >>

Hello Everybody , I have a Process.Start() method that launch a "main.exe" files . The "main.exe" launch 3 sub-file : a.exe b.exe c.exe What I want is the When I close the Main.exe , then the sub-file exe must Close ! Basically is the same as "terminate childs processes..." of TaskMana...more >>

Hi all, I have this code sample FileIOPermission fp = new FileIOPermission(PermissionState.Unrestricted); fp.Deny(); StreamWriter sw = new StreamWriter(@"c:\test.txt"); sw.Write("Test"); sw.Close(); I do not understand why the file is still created? ...more >>

HI!!! I have a question. I've changed in teh machine.conf file, and I've habilted ipv6: <ipv6 enabled="true"/>. But, when I call to IPAddress.Parse ("2001:800:40::XXX"); In the debug tell me, that the address is incorrect. Which can be the error? Thanks!! ...more >>

hi, i have a regular expression to identify any valid form of server url, i.e. http://server or http://www.server.com or http://server:8080 or anything in between. very occassionally i'm getting an index out of bounds exception from one of the inner framework methods, when i use Match(). i don'...more >>

I have class that I made [Serializable]. However, there is a member variable that I do not want to be saved when the class is written out. Is there a way to turn serialization off for the one member variable? Thnx Matt...more >>

My bug's back. It's reappeared even though I haven't made any changes since. Just to check: is the use of locking in the following okay? Note that 'connections' and 'activeConnections' both reference instances of 'ArrayList'. void connection_Drop(object sender, bool allSent) ...more >>

I'm trying to execute this simple query: ObjectQuery objectQuery = new ObjectQuery("Select * FROM Win32_Volume"); ManagementObjectSearcher searcher = new ManagementObjectSearcher(objectQuery); ManagementObjectCollection moc = searcher.Get(); try { foreach (ManagementObje...more >>

I have a strange problem as Socket.Select() doesn't block when I call it in C#. To be sure that there is no error in my code I went to http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemnetsocketssocketclassselecttopic.asp and copied the sample C# code into VS ...more >>

Hi Is it possible to have one application to be listening to two ports for incoming data Can I configure a port to both send and to receive data Regard Viola...more >>

I'm having problem manipulating a file stream. What I'm doing (simplified into a sample below) is opening a JPG file as a stream, and then saving it's contents in a DB. However I seem to be munching the data somehow, because if I try and save the file from the stream data, the JPG isn't readabl...more >>

This is a newbie question, no doubt. I have recently started writing code using VS C# 2002 and tried to update to the new 1.1 version of the framework. Now the installation says it was successful but in the about box, I still see ver 1.0 (infact 1.0.3705). What gives? The 1.1 ver shows u...more >>

Hi: I'm writing an application that connects to a server and downloads and stores files in subdirectories of the application's folder. This has worked fine...up until I tested the application on an XP limited account. It didn't work on the limited account. One of the first thing my clie...more >>

I am having assembly A with reference to assembly B and B need reference to A. The IDE does not allow it because of circular dependency. How can I solve it (when i cannot change existing code in A or B). ...more >>

Hi, What's the easiest way of modifying an object which has been serialized to a DB? The previous developer created a complex object hierarchy and binary serialized the whole thing to a single field in SQL server. I need to modify the object hierarchy, but every time I do so, I can no ...more >>

I hope someone can help me. HP PSC 1350 all-in-one printer requires .NET 1.1 Framework. I've tried installing it by copy/pasting netfx.msi and netfx1.cab to the hard drive and by downloading it from the Windows Update site. In both cases, I get the "installation has failed prematurely" and am tol...more >>

Hi all, I have a nasty bug in my multi-threaded app which I think is being caused by "race conditions" with multiple threads. I'm getting data corruption. The app is an HTTP server I'm making just for fun. I noticed the bug yesterday night when performing a little stress testing on it....more >>

hi, I'm trying to convert some .h files to API Declaration to use the function and structs. one of it is this: NTMS_GUID CurrentLibrary; // the current library NTMS_GUID MediaPool; // media pool that the media belongs to NTMS_GUID Location; // actual location of the media DWORD Location...more >>

hello all, is thery any equivalent in .Net Framework of WSAAsyncSelect win32 api function ? I want my application window being notifyed about network events... (asyncroniously) or maybe another way exists ? -- Vladimir Scherbina, Ukraine, Kiev. ...more >>

When you use the [WebMethod] attribute code is generated for you. I need to do the same for our corporate framework. Can someone point me to an article/discussion on how to do? I've seen that XC# does it. Thanks in advance ...more >>

Is there a place to send proposals to regarding extending the framework? In any case here is my proposal: 1) I would like to be able to get *and* set the socket in wrapper classes TcpListener, TcpClient and NetworkStream. Only UdpClient provides get and set accessors in the moment. 2) The Soc...more >>

I've been searching for some general, practical guidelines that distinguish between when it's the responsibility of the architect to throw errors, and when it's assumed that catching them is going to be the responsibility of the app programmer. As somebody who is new to wearing the "architect"...more >>

I am wondering if there is an update tool, maybe something like the ASP.NET IIS Registration Tool (aspnet_regiis.exe), for moving from .Net Framework 1.0 to 1.1. The reason I am asking is that it would be nice to be able to avoid sending a 23 meg file (dotnetfx.exe) over a modem to every machine th...more >>

I've been on a mission this past year to move from VB6 to .Net. I'm fortunate(!?) not to have the big catalog of some long-time VB developers, although I have some CE apps that have to be entirely rewritten in CF. A lot of what I develop has to be written for the PPc, so I knew I would be lookin...more >>

Hi all, I'm looking for any docs (e.g. API) on how to programmatically read IIS configuration, create virtual sites, alter settings, etc. Thanks, -Oleg. ...more >>

My scenario ws that I had a small group of worker threads started from the main Application thread, and they have the backgroundthread property set to true. After having been started by the main thread, a given worker thread does some work in a loop and uses the Control.Invoke method to updat...more >>

Hi All! I am trying to send e-mails from a Web Forms application, using MailMessage and SmtpMail. Here is a sample code (pascal sintax): procedure TWebForm1.Send(From, To, Subject, Text: System.String); var ms: MailMessage; begin ms := MailMessage.Create; ms.From := From; ms.To...more >>

Do you know of any freeware applicaiton licensing library wrriten in C#? ...more >>

Is there someone who has got some tips on how to convert text encoded with character referense (&#123;) to unicode or uft-8 format using VB.net? Is there a function or something that can help with the conversion? To use a simple replace "this" with "that" is not an option since there are som a...more >>

I know machine.config controls max threads for IIS but how does one change it for other .NET executables? ...more >>

I'm posting this here because no one responded to my post in the compact framework NG and this is a MSDN "managed" newsgroup and I'm a MSDN subscriber. I'm unable to make a https connection through a proxy server using the compact framework. I can connect with no problem using http, but when ...more >>

need some code for getting screenshots from the secondary monitor on dual monitor display. Here's a bit of the code for a screen from the primary monitor. Bitmap MyImage = new Bitmap(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height, g1); For the second monitor I can ...more >>

I have a stored procedure which takes 7 parameters as input and gives one output. Of these 7 parameters there can be few parameters which can take null value. I am using C# to connect with oracle. The parameters are set using OracleParameter class. But whenever I make a parameter null the sp is ...more >>

hi I know the ip of a remote machine. Its an IBM machine. I need to connect to this machine using ssh protocol and ppk encryption. Can I do this using dot net framework sockets?? Basically I want to do terminal emulation and screen scraping. Can some one provide me the code its very urgent ...more >>

Hi, Recently i write some DLL and redistribute to other department in my company for their development. I would like to ask how can i make some comment be shown? For example when I view the class 'System.web.UI.WebControls.WebControl.Button' through object browser, it will show up a summary...more >>

Hello, I need to support multiple languages in a product package being developed in both ASP.NET (vb.net) and WinForm .net (c#). I was wondering if there are any best practice guides, application blocks, resources, tutorials, or just general advice that someone could recommend to get me sta...more >>

Hi. I'm trying to figure out how the BinaryWriter class stores strings - the BinaryWriter is attached to a MemoryStream. BinaryWriter inserts stores a value just before the actual string to reveal the length of the string to follow. If the length of the string is less than 128 chars, its ...more >>

I have 2 objects of same type with data in them. I serialize 1 of them to an xml file using XmlSerializer and XmlWriter. now can i serialize the other one to the same file so it appends to the file after the data from the first one? ...more >>

I'm trying to understand class hierarchies in VB .NET. I'm designing an application where data come in textfiles from different sources and will be stored in a database. To avoid future problems the importdata must be well validated. There are several tables and fields in the database. My ...more >>

I am trying to develop a managed C++ assembly that returns information in the registry. I am having two problems 1) In the constructor I would like to initialize the registry key using RegOpenKeyEx. But if I have the HKEY value as a private member the compiler complains that HKEY __gc cannot be co...more >>

Hi, in the .NET Framework Class Library there is the following text in the "Remarks"-section: "Use this method for objects that are immutable, but for which you want to provide changeable properties." .... objects that are immutable ... - what does this mean? Can someone please insert he...more >>

The 'add web reference' in Visual Studio 2002 seems to be broken a bit If I have the wsdl available a http://myserver:8080/services/MyService.wsd The Project -> Add Web Reference shows the correct WSDL. But after using 'Add Reference' the WSDL file is incorrect. It seems that the request for t...more >>