calling C++ function in .LIB file from C# program

Question

Hi I would like to call a C++ function in a .LIB file from a C# program. Its that possible at all? Please help. cheers. chongster.

yek_chong · Answer

thanks for your help guys. cheers. chong.

gurjar_mumbai · Answer

I think this is basically it. You can just compile as an unmanaged dll use the interop library in conjunction with the dllimport attribute and just declare the functions you want to use as static extern. e.g. using System.Runtime.InteropServices; ... [DllImport(winmm.dll)] public static extern long PlaySound(String lpszName IntPtr hModule Int32 dwFlags); -Mike

dip_2004_05 · Answer

I am not very fresh on my C++  but in order to use the lib from C# you will probably need to create an unmanaged dll - reference the lib and create wrapper functions for the lib functions in the dll. Once you have the functions exposed in the unmanaged dll  you can make calls to it from C# using P/Invoke. Maybe an interop expert can confirm if this is correct . - dip