I have to program something like dynamic table generator. table has to look like x axe = numbers, y axe = characters, and table elements are strings: input is from file like: a5 = "hey"; a6 = "helou"; b1="haha"; c3="qwert"... what to use as table??? Which is the easiest way? thanx! bye ...more >>

Hello. How can I add CDATA section into XmlDocument from my code? ...more >>

Hi, I'm trying to write a high performance numerical app in C#, and would like to use operator overloading, but currently things are running a bit slower than non op-overloaded code. If I overload operators on a struct, lets for example say a Vector3 (3D vector), does this mean when I write...more >>

two struct in c# [StructLayout(LayoutKind.Sequential, Pack=1, CharSet=CharSet.Ansi)] public class A { int i1; byte i2; } [StructLayout(LayoutKind.Sequential, Pack=1, CharSet=CharSet.Ansi)] public class B { [MarshalAs( UnmanagedType.ByValArray, SizeConst=25 )] A[] a; } ...more >>

How can I save XmlDocument XML in string? ...more >>

Why MSVC# compiler in this error example say that 'A' is a namespace? 'A' is a class, not a namespace. // lookup5.cs namespace Lookup { namespace Case5 { class D : B { T x; } } namespace Case5 { using Case5.N.N2.N3; ...more >>

Why is C syntax so uneasy on the eye? In its day, was it _really_ designed by snobby programmers to scare away potential "n00bs"? If so, and after 50+ years of programming research, why are programming languages still being designed with C's syntax? These questions drive me insane. Every...more >>

I have several SQL Server . I want to write a program to select/update/delete data in one of these servers when I fill username and password in my app. I suppose to Write a DataLayer ,But how can I ? Any Template will be best for me ! And Thank you to every who replys in advance. ----------...more >>

I found only how i do i send an image to the scream... ...more >>

I am trying to dynamically build a dropdownlist and bind it to a cell in a grid. I tried to utilize the following code but I am stuck at the point where I bind the dropdownlist to the grid cell. I get the following message for this code but I suspect that the " UltraWebGrid1.Rows[intCtr].Cells...more >>

I am a beginner in Programming in c#. I now can use wizard to create a sqlserver data access program. but i want to access database without DataSet ,can it possible ? if can ,How ? Thanks in advance for any ideas or suggestions! --------------------------------------- Albert Guo ...more >>

Hi, I have a method that takes a reference to a TextBox as its only parameter. I have a custom attribute that may be applied to this TextBox. Is there a way for me to see if this attribute is present without having a reference to the class that the TextBox is in? Is something like this some...more >>

Hi, I have a COM object in a dll and it is registered on the system. The COM object was made with Borland C++ Builder and works nicely when used in BC++ projects. I'm TOTALLY new to .NET (first day) and I have no clue how to use make use of the COM object. I made a small test app with a bu...more >>

Hi, I am stuck trying to come up with a regular expression for the following pattern: A string that contains "/*" but that does not contain */ within it. Basically I am searching for C-style multiline comments and would much rather use Regex than strings. Here is what I have, but it does n...more >>

Here my code: [System.Runtime.InteropServices.DllImport("user32.dll")] public static extern int SetWindowPos(IntPtr hwnd, IntPtr hWndInsertAfter,int x,int y,int cx,int cy,int wFlags); [System.Runtime.InteropServices.DllImport("user32.dll")] public static extern int BringWindowToT...more >>

I need to store data similar to the following in an XML file: <b>Today's Message</b> <font color=red>Some text goes here....</font> I am trying to store data that is a daily devotional. My web hoster only supports MS Access databases and Access only has memo fields which can store 255 char...more >>

Hi, We are having problem in converting a byte array to string, The byte array has char(174), char(175), char(240), char(242) and char(247) as delimiters for the message. when we use "System.Text.Encoding.ASCII.GetString(bytearray)" of .Net library, we found that the char (delimiters) speci...more >>

I need a sound in a Windows application. How can I play a sound in a Windows Forms application? Just a simple sound is enough. Regards, Diego F. ...more >>

arraylist / array ??? what is better for what? ...more >>

I am explicitly setting the InitialDirectory property on an OpenFileDialog, after opening, navigating to another dir, close, open again, it does not start at the InitialDirectory property I am setting, it seems to "remember" the last dir it looked it. Is there any way to make it *always* obey ...more >>

I'm porting a C++ function which reads a file in binary mode, sometimes reading 2 bytes into an unsigned short, 4 bytes into a long, etc into a C# implementation. When using the FileStream.Read function, I'd like to code it to read the size of a C# ushort, for example. The documentation says th...more >>

In my company, I couldn't install any software in my desktop, but unluckily, we don't have news reading software like outlook express. Does any one know any website cached this newsgroup so i can read it at work ? ...more >>

Greetings my dear friend, Let's say I wanted to write an application that talks directly to a network card. For example, say I'm designing a firewall or packet sniffer. Do I need to use unmanaged code to do this? I'm wondering how I should arrange the "division of labor" between managed an...more >>

I have some french accentuated characters that I'm trying to read from a text file. The ASCIIEncoding Class's GetString doesn't support characters with Char values above (char)127. I have a byte who's value is (char)233 and I would like to know how to know how to get the expected accentuated...more >>

Anyone know of a good resource thats maps win32 APIs (structs, functions, etc) to c#? ...more >>

Hi all, about 2 years ago I wrote a small utility that was used to send and receive SMS messages via a mobile phone (3rd party COM object as used as interface). I now have to write another program that does pretty much the same thing. My old program simply sent and received SMS messages via a ...more >>

I am writing a customized control to draw a ellipse. I want it to response key events and mouse events. However only mouse events got fired. Key events doesn't response. Any idea? Thanks very much in advance. Jingcheng public class GraphNode : Control { protected override void OnPai...more >>

Hi, I'm having trouble figuring out something. How do i pass a class instance to a function without 'creating a copy'. In C/C++ i would use &. For example (C/C++): class CLASS; void function(CLASS &c); Would someone be able to explain this? Thank you very much in advance, Timothy. ...more >>

I am successfully using BITS in my C# application. I am, however, polling for changes in the state of BITS jobs. Does anyone have any example code for receiving events for this notifications in C#???? Is this possible???? I would like to add prioritization of the jobs but I feel I can only ...more >>

Hello. How can I specify datetime by string? In VB.NET I can write by "#" simbol like this: #10/12/2004 12:00#. How can I do it in C#? ...more >>

Hello. How can I read value of XML node? ...more >>

Hello all I am looking for a way to retrieve data from the unmanaged code (legacy) DLL to the .NET code as described below. I could NOT find any articles that would help me to do so successfully. Please help Unmanaged-Code DLL (LEGACY.DLL) --------------------------- struct EMBEDDED_ARRAY...more >>

Hi All, I am trying to use a COM component that has methods with default parameters. How can I call these methods from C#. Not all default values are in the documentation of the control. Thanks Colin ...more >>

I think it's really nice to be able to do code like someVariable = someMethod(new SomeClass("some text")); However, as method signatures are number and types of parameters, you're limited to having one constructor that accepts a single string, for example. Call me crazy, but wouldn't it be...more >>

I have a request to add a button that will automatically create an image copy of the current screen. For whatever reason, the user does not want to do the Alt-PrintScreen. I would like to associate this with a button to accomplish the same thing. Is this possible? ...more >>

Is there way to convert an int or byte into a string representation of its bits. For example, an int with a value of 7 would be displayed as "0111". Thanks for helping. ...more >>

I am trying to generate a strong name assembly from the unmanaged DLL for the COM + 1.0 Admin Type Library located in the C:\WINDOWS\system32\Com\comadmin.dll, but when I run the following command it fails.... C:\work\BillAnalyser\Bin>tlbimp.exe comadmin.dll /delaysign /publickey:C:\work\key\...more >>

I can create a delegate like this, and everything works fine: class Foo { private delegate void NextPanel(); private NextPanel myself; // And later in a method private void EffStart() { this.myself = new NextPanel(this.EffStart); } } This program has ...more >>

I was looking through some source code and noticed the used of the C# << operator. Why is this being used here and under what circumstances is an left-shift operator useful. internal enum InterestLevel { Ignore = 0, Display = 1<<0, I...more >>

Hi i am using following code which extracts information from XML file and creates an instance of class which it adds to hash table. problem is i am unable to extract information from hashtable : here is the piece of code public void readEmailRecords() XmlTextReader reader = new XmlTextRea...more >>

Hey Guys, I wrote a small C# web application to display items from a database. It seems to work fine when I type, http://localhost/App1.aspx but when i try to access this using my ip or from my friend's place...my computer crashes...it brings up the blue screen and says DUMPING OF PHYSICAL MEM...more >>

Hy all I want to test if my form exist before create one. In delphi was like if not Assigned (frmmyform) then frmmyform.create(self); how is this possible in c#? TIA Paul ...more >>

Hi. Can any one tell me why this code does not return what its supposed to: public string From(){ return POP3Message.Token( "From: (.*)" ); } private static string Token( string _pat ){ Match match = Regex.Match( msg, _pat, RegexOptions.IgnoreCase ); if( match.Success ){ return match....more >>

Hi All, I am writing a winsvc which monitors file changes on two or more network paths...How can I accomplish this using the FileSystemWatcher? I know the above can be applied to Sub Directories etc...but my requirement is for multiple Paths on Network which aren't technically Sub Dirs TIA ...more >>

Hello, I am relatively new to C#. There is a particular address in memory on my computer that stores a string value. The address is 57E777. Does anyone know how I can retrieve the string value stored at this address and store it in a string variable? I have tried using pointers to do t...more >>

I have, for example, a property called myProperty. I would like, when using a property grid to display the property name as "My Property". Is this possible. Is there an attribute etc Thank Martin...more >>

I need to build an application that allows the user to select folders from any number of drives located on any number of servers on a network. In effect, I am trying to mimic the functionality of the Windows Explorer in being able to expand the "My Network Places", "Entire Network", and "Microsoft W...more >>

Hi there, I've been developing asp sites for 4 years now and for the past few months have been learning c# to build .net apps. I want to take exam 70-315 so that I have a formal qualification behind me. However I'm stuck as to what training material to prepare for the exam?? I was go...more >>

Hi, I want to add some attributes to TreeNode, so I create a new class MyNode that inheritance from System.Windows.Forms.TreeNode, I want to TreeView use MyNode instead of TreeNode, so I can manipulate with new attributes How can? Please give me some ideas, Thanks. Because the TreeNode do...more >>

How do I do a "shutdown -i" from the command prompt. ive tried this method but it doesnt work System.Diagnostics.Process proc = new System.Diagnostics.Process(); proc.EnableRaisingEvents = false; proc.StartInfo.FileName = "explorer"; proc.StartInfo.Arguments = "shutdown""-i"; ...more >>

Hi all, While i try to build a example c# project, i get a error message "The type or namespace name 'Microsoft' could not be found (are you missing a using directive or an assembly reference?)". This error occures in "using Microsoft.WindowCE ..Form". I am installing .net visual studio 2003 and...more >>