Yakov Werde has posted a video from his 2014 Charlotte PowerBuilder User Group Conference presentation covering PowerBuilder Classic and COM InterOp. The presentation provides a technical overview, a survey of necessary?tools as well as?implementation detail. ?There's a live demo toward the end of the presentation.
He uses this integration approach to implement a solution in a legacy PowerBuilder application when .NET provides necessary functionality and PowerBuilder doesn't.
Yakov Werde is a long-time PowerBuilder Trainer, Consultant and presenter on PowerBuilderTV.