Please check the following -
https://www.visioforge.com/help/docs/dotnet/general/migrate_v14_v15/
Now instead one VideoCapture control SDK has VideoView UI control for video rendering and VideoCaptureCore class with the same API to configure as the VideoCapture class before.
You can check demo applications to see how it's worked -
https://github.com/visioforge/.Net-SDK-s-samples/tree/master/Video%20Capture%20SDK