IOleInPlaceSiteWindowless::GetCapture method (ocidl.h)
Called by an in-place active, windowless object to determine whether it still has the mouse capture.
This method returns S_OK on success. Other possible return values include the following.
||The object does not currently have the mouse capture.|
As an alternative to calling this method, the object can cache information about whether it has the mouse capture.
|Minimum supported client||Windows 2000 Professional [desktop apps only]|
|Minimum supported server||Windows 2000 Server [desktop apps only]|