VS-ux

@tricky-mind I used SetWindowCompositionAttribute for my winforms app and since I was using insider builds, the dragging was fixed. (Dragging lag caused by mouse polling rate greater than monitor refresh...

@jkotas Oh, I didn't know that. Thanks, I will try an implementation.

@dsherret Huh, I thought it only happened due to the lack of COM support. That's interesting though.

Hi! I'm so sorry about the late reply. I was wondering what I would do to implement COM. Do I merge #8143? If I merge it, is there any more...

@jkotas Hi! So I downloaded #8143 and built CoreRT (I skipped the tests because they took too long). I then downloaded https://github.com/kant2002/CoreRTWinFormsTestBed/tree/master/WinFormsComInterop, and ran it as is. It worked. Then,...