Hi =?Utf-8?B?TWFyc2hhbGw=?=,

Just use it...

1. Create a managed C++ app (via wizard, for example: "File|New...

2. Open "Solution Explorer" (via "View|Solution Explorer")

3. Go to the "References" item

4. Right click on this "References" item

5. Select "Add reference..." in the popup menu

6. Select the ".NET" Tab

7. Press "Browse..."

8. Select your c# assembly

9. Start to use it in your code
  for example:

<code>
#using <MyCSAssembly.dll>

void Test()
{
 MyCSAssembly::TestClass::TestMethode(S"Hello world!");
}
</code>

Hello,

First build a dll with your C# classes, and then, in your C++ managed
project, add a reference to this dll.
With that and the needed 'using namespace xxx', you can use your C#
classes directly in your C++ managed code.

Simple:
In your project add the C# dll under the "references" option.
Now add this somewhere in your project:
   #using <mscorlib.dll>

And now add the namespaces like this in the C++ code you wish to use
   using namespace System;
   using namespace CustomMadeDll;

And finally

Use the code like this:
   CustomMadeDll::TheClass __gc *sc=new CustomMadeDll::TheClass();
   TheClass->DoSomething();

You can safely use these classes in you unmanaged code.

One other thing: Strings must be something like this;
   System::String *m_sMyString=new System::String("test")

Converting System::String to normal string:

   System::String __gc *sCurrentComputer=sc->CurrentComputerName();
   string
sComputerName=LPCTSTR((char*)(void*)Marshal::StringToHGlobalAnsi(sCurrentCom
puter));

And the way around something like this.

   string  sComputerName="abc";
   System::String __gc *sCurrentComputer=sComputerName.c_str();

Do not search for header files or lib files to include, since they do not
exist.
The header information is contained into the C# dlls and is available when
you add it to your "references" option.

I hope this helps. :-)

Most everything is easy once you know how to do it.

Jochen, Jacobo, Olaf - Thank you for your help!

Marshall