Hi   I created a simple Form in C#, in a DLL project. I marked that Form with the ComVisible(true) attribute, and in the project properties for that Class Library project, in the Build tab, I checked the "Register for COM Interop" checkbox. Just like I describe in this thread: Calling a .NET DLL from AutoIt, with ComVisible(true)   After using ObjCreate(), I now want to try and use ObjEvent() on that Form, in order to receive one of the Form's events.   Here is what I have done: