Create a C# DLL That Can Be Imported in a Delphi App Using stdcall - Possible?

Question

I have a program that I need to create a DLL for, hopefully in C#. The program is written in Delphi and I have an interface file to code to. The interface uses the stdcall

Answer 1

You need to make the assembly (=C# DLL) accessible to COM, which is called Interop.

See MSDN articles Assembly to Type Library Conversion and Packaging an Assembly for COM which describe the technical background and the utilities to perform the required operations.