SetWindowsHookEx in C#

Question

I\'m trying to hook a 3rd party app so that I can draw to its screen. Drawing to the screen is easy, and I need no help with it, but I seem to be having issues with using

Answer 1

I don't know but if you're using parameter values which specify that you want to, as the API helps says, "inject a DLL into another process", then for all I know it might work only if you write an unmanaged DLL from which to call it.