https://www.developerfusion.com/t/tdd/code/sort/popularity/TDD Sample code from Developer Fusion2001-07-14T14:48:00.00Zhttp://www.developerfusion.com/code/110/testing-visual-basic-class-interfaces/Testing Visual Basic class interfaces2001-07-14T14:48:00.00ZA more efficient way to test whether an object supports a particular interfaceElementK Journals