July 2013 Entries

Using Dependency Injection When Calling .NET Over COM

I've recently been working with a number of VB6 systems which use C# .NET components via COM, and wanted to keep the same sort of organisational structures and patterns in the C# part of the application as I would if it was a standard MVC app or WCF service - namely, using Dependency Injection to plug the various C# classes together. This is easier said than done with COM, but here's an approach I've used to achieve it.