Hi all, I'm having trouble understanding which data type to use to get results I expect. using float, decimal, and double I have tried the following, .. float test = 55/60; I always get 0 as the results. I expect 0.916666 I dont understand why its rounding down. Any pointers anybody ? ...more >>

I have a file that contains initialization vector and key crypted with the key 'passwd'. My problem is that when I execute the code TripleDESCryptoServiceProvider pk = new TripleDESCryptoServiceProvider(); FileStream fin = new FileStream("iv_key_cry.txt",FileMode.Open,FileAccess.Read); Crypto...more >>

Is there a nicer way to write the following? private static bool TryWriteToStream(NetworkStream ns, byte[] bytes, int size) { bool result = true; try { ns.Write(bytes, 0, size); } catch { result = false; } return result; } I mean - is there a way of determining failure/...more >>

Hey there, I'm a bit of a C# newbie and I have some questions regarding syntax. #1: Unsafe code blocks: From what I understand (based on what I've read from the C# Essentials O'Reilly book) memory managment in C# unsafe code blocks are handled almost in good old C++ way (i.e. memory allocat...more >>

I'm just starting out on learning this new technology and although I have a degree in CS, I really never programmed and it's time to get my feet wet. ...more >>

Hi all ! This message has been posted on .net.general, but I reposts it here due to lack of replies. This is my first day with Visual Studio and C#, and I'm trying to send "raw data" to the printer port. I found the SendFileToPrinter example below in a knowledge base at MS site It works, but...more >>

I want to run notepad.exe from ASP.NET (C#) i am using javascript: <script language="JScript"> function fnShellExecuteJ() { var objShell = new ActiveXObject("Shell.Application"); objShell.ShellExecute("notepad.exe", "", "", "open", 1); } </script> ERROR: Perm...more >>

I want to integrate SecurID two-factor authentication system of the RSASecurity.inc into our asp.net application,but I get into trouble when trying to call the API functions of the ACE Agent,I got an error message saying "Cannot marshal parameter #2: Invalid managed/unmanaged type combination (t...more >>

Hiya Everyone, I've just started the development of an email client using the .NET classes and C# ( I figured its a good way to get my hands dirty with ..NET). Anyhow, here's the situation... I created a simple 'Windows Forms' app (using Borland's wonderful free C# Builder IDE) that allows ...more >>

Can I compile a UserControl even though the IDE won't let me design one? -- There are 10 kinds of people. Those who understand binary and those who don't. http://code.acadx.com (Pull the pin to reply) ...more >>

Hello, I am trying to execute a VBScript, that exists inside of my project (via Add New Item>VBScript), through a button1_click event. I have not been able to find any code samples to achieving this. Can someone lend a hand? Thanks...more >>

Why are there no indexed properties in C#? For example: class blah { public Node Child[index] { get { ..... some code return someNode[index]; } set { ... some code someNode[index] = value; } } I prefer to not retu...more >>

Hey, which newsgroup is for complaining about how amazingly crappy the Visual Studio 2003 IDE is? Thanks -- Bret Pehrson mailto:bret@infowest.com NOSPAM - Include this key in all e-mail correspondence <<38952rglkwdsl>>...more >>

Hi! All I was wondering what is the most difficult part of windows programming Is it Network Programming Etc.. ...more >>

Hello: I have a question on pinning types via 'fixed'. In "Com and .NET interoperability" by Andrew Troelsen, he provides a simple example of ..NET -> Native interoperability: int[] theVals={1,2,3,4}; MyCustomDLLWrapper.AddArray(theVals,theVals.Length) where MyCustomDLLWrapper wraps a n...more >>

Hi! I need an array-type of collection when the entries would look like: object myObject, int myInt, string myString Which collection should I use? I know I could declare a multidimensional array of objects but adding and deleting to that array would require distribution of objects each ti...more >>

Help! I'm a newbie, and would like some info on this please: I have a project that requires me to write my own class. So far everything is working well, my class is working and compiling just fine. However, it sure would be nice to be able use the methods and properties from my class and ha...more >>

I was just looking at a demo training that mindleaders has on .net training: http://www.mindleaders.com/products/democourse3.asp And I don't believe this is correct or at least is misleading to me: "The search for an easy, productive, and very powerful programming language led to the birt...more >>

hi, if dotnet exe applications A, B and C are running as separate process each (separate exe process in windows), i want to reference/use an object from application A's appdomin in application B and C. can anyone help in the above scenario? is it possible in dotnet? TIA qpro ...more >>

Hello, Thanks for looking at my question. This is an easy one. When my program is launched, I would like to know the directory it was launched from. Do you know where I can get this information? Peter...more >>

Again me My program is running on a client computer, while on a server is running a C++ application. I need to send a message containing some numbers to it from time to time. I was thinking of using sendmessage, but how to find target program on another computer? ...more >>

Hi I've got loading assemblies dynamically done (wasn't too difficult). Now I want to lookup a static function in the loaded assembly, and if found, return it somehow, and call it from my app. So far, my efforts have failed miserably My function takes custom objects as parameters, along the line...more >>

How to send DDE Execute and Request with c#. Thanks Jochen...more >>

Ok here's my situation... Creating a electronics engineering app..using DirectX for rendering as GDI+ is just too slow for this purpose...so far, so good. Now it just so happens that certain things...require an *overline* (as in, over the letters rather than under), ie certain names for pins...more >>