Selects a portion of a window's client area to display as that window's thumbnail in the taskbar.
HRESULT SetThumbnailClip( HWND hwnd, RECT *prcClip );
The handle to a window represented in the taskbar.
A pointer to a RECT structure that specifies a selection within the window's client area, relative to the upper-left corner of that client area. To clear a clip that is already in place and return to the default display of the thumbnail, set this parameter to NULL.
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
|Minimum supported client||Windows 7 [desktop apps only]|
|Minimum supported server||Windows Server 2008 R2 [desktop apps only]|
|Header||shobjidl_core.h (include Shobjidl.h)|