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Retrieves the top coordinate of the current source rectangle.
HRESULT get_SourceTop( long * pSourceTop );
Parameters
- pSourceTop
- Top coordinate of the source rectangle.
Return Values
Returns an HRESULTvalue.
Remarks
This member function implements the IBasicVideo::get_SourceTopmethod.
An application can change the source and destination rectangles for the video through the IBasicVideointerface. The source rectangle affects which section of the native video source will appear on the display; the destination rectangle affects where the video will appear when played. The destination rectangle is relative to the client area of the window in which it is playing. The upper-left corner of the window is coordinate (0,0).