Hi Lalit,

This is not really the group to ask this question - as it doesn't have anything 
to do with python.NET.

But other then that I can answer your question I think :-)

You say a "C++ DLL". First thing is you need to make sure that your functions 
are correctly exported in an 'unmangled' form. 

What I do for this is the following:

// create a macro DLLEXPORT for those methods you want to export
#define  DLLEXPORT   extern "C" __declspec(dllexport)

// the following may be optional - but can make things easier
#define  VB     __stdcall

// add the macro to your function prototypes
DLLEXPORT int VB InitDialogFromFile   (char const *const fileName);

// in the CPP file define your function as you would normally do
int VB InitDialogFromFile(char const * const fileName)
{
        //FUNC BODY
}

You may also need to create a .def file

; Declares the module parameters for the DLL.
NAME MyCPPDll.dll
DESCRIPTION  'Description of your DLL'
EXPORTS
        // the following line can be used to rename exports
        //InitDialogFromFile_renamed = InitDialogFromFile
        InitDialogFromFile

Once you add that to the project - it will make sure that no mangling happens 
(sometimes even after doing extern "C" you still get a leading underscore!)

Mark


-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Lalit DIGARI
Sent: Monday, April 03, 2006 7:22 AM
To: pythondotnet@python.org
Subject: [Python.NET] Use of c++ dll in python

Hello All ,
I have devloped a c++ dll named mydll in c++ how can I access it with in python 
script using ctype...
Regard's
Lalit

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