Hi;
Is there any sample code anywhere that shows:
1) How to find if a given security group exists on the domain.
2) How to create that group if it doesn't exist.

The following throws no exceptions - why?
SmtpClient client = new SmtpClient("bogus");
client.UseDefaultCredentials = true;
MailMessage mail = new MailMessage("bogus", "bogus", "Windward test email",

I am trying to run impersonating another user (I prompt for the domain admin
uname & pw to use that). But when I ask for the CurrentPrincipal, it's still
me, not the domain user.
IntPtr tokenHandle = new IntPtr(0);

Hi;
In my code I want to test if the CurrentPrincipal is a domain user. What is
the best way to do this?

Hi;
1) From our setup program (in C++) how can I tell if .NET is installed?
2) Is there a url we can then redirect them to which will show the .NET
selection to download & install? We have trouble with using the Windows

Hi;
I am trying to change a registry entry for a ervices in a C# forms (not
ASP.NET) app. When I call the following I get an UnauthorizedAccessException:
RegistryKey key =

How do I retrieve my application icon (set in the project properties)
through code (using Framework 1.1).
Using Icon constructors is possible but I don't know the icon name to pass
to it.

Hi;
The url http://msdn2.microsoft.com/en-us/library/aa480243.aspx lists several
language packs for J# - but I can't find where to download them. Any ideas?

Hi;
1) From C# code how can we tell if the J# redistributable is installed?
2) If not, what url should we use to take them right to downloading it?

I am having a problem with the Directory.CreateDirectory method. I want to
use this function to create a new directory and set a security descriptor at
the same time.
This works fine except the new directory never inherits aces from it's

could you please help me with the following problem:
I'm using a TcpClient to connect to a server. When I send a message and
the server doesn't reply in time, I send the same message again until a
given number of loops is reached or the server sends a reply.

I'm writing a .NET program which is using a mouse hook but everytime the
filter function is invoked a argumentException is thrown.
Here is the part of code i'm using to  convert the structure :
   this.MouseData = (MouseHookStruct)Marshal.PtrToStructure(lParam,

Hi;
I have a hashtable that I am using in my codebehind in ASP.NET. In that
codebehind the hashtable is read, written to, and enumerated. Each entry in
the hashtable is tied to a session - the SessionId is the key for the entry.

Hi;
We have another problem with GAC vs local.
We have a library that our users want to install with the libraries in the
GAC (as recomended by Microsoft). These are programmers only.

Hi;
I assumed that UdpClient.Receive() blocks and uses no CPU cycles until bytes
are received. However the ANTS profiler says it is taking a ton of time. Is
it polling or is this an ANTS problems where the thread is blocked but it