'Get window handle from IRDPSRAPIWindow
I'm writing a desktop sharing application in C++ using IRDPSRAPI.
I would like to allow the user to select which window to share (as opposed to sharing the whole workspace).
I'm able to list the sharable windows, and enable/disable window sharing. However, when I enable application filtering and enable sharing of a single window (not a maximized one), an area corresponding to the whole screen in black, with that window inside of it, is shared (the size of the sharing doesn't change):
The non-selected windows are not visible on the viewer client. I would like to share an area corresponding only to the shared window instead:
When selecting the window to share, I can get its IRDPSRAIPWindow interface, so if somehow I could get its position and dimensions, I could use the IRDPSRAPISharingSession::SetDesktopSharedRect() method to crop the shared session to that window (until it's resized or moved), but I couldn't find how to get that position and dimensions given its IRDPSRAIPWindow. How can I get them?
Or, is there any other way to share only the area corresponding to the selected window?
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