interop – Tarik Billa

COM object that has been separated from its underlying RCW cannot be used

April 4, 2023 by Tarik

This can happen for a few reasons, the big ones I know of are below. Event Handlers Without Strong References to the Delegate A caller subscribes to an event on the com object without keeping a strong reference to the callback delegate. Here is an example of how to do this correctly and how to … Read more

How do multiple languages interact in one project?

January 19, 2023 by Tarik

Having multiple languages in one project is actually quite common, however the principles behind are not always simple. In the simple case, different languages are compiled to the same code. For example, C and C++ code typically is compiled into machine assembler or C# and VB.Net is compiled into IL (the language understood by the … Read more