Pass a function pointer from C++ to be called by C# - Arguments of functions include a wide char string (LPCWSTR)

Question

I am writing a C# library to be used by native C++ application. I am using C++/CLI as the Interoperability mechanisim.

I require to pass a callback function from C++

Answer 1

See the little-known UnmanagedFunctionPointer attribute, which is like DllImport for delegates, if you'd like to use CharSet or whatnot.