IVMRWindowlessControl::SetColorKey
| Microsoft DirectShow 9.0 |
IVMRWindowlessControl::SetColorKey
The SetColorKey method sets the source color key value that the VMR should use.
Syntax
HRESULT SetColorKey( COLORREF Clr );
Parameters
Clr
[in] Specifies the source color key.
Return Values
If the method succeeds, it returns S_OK. If it fails, it returns an error code.
| Error Code | Description |
| VFW_E_WRONG_STATE | The VMR is not in windowless mode. |
Remarks
Color key control is only meaningful when the VMR is using an overlay surface.
Requirements
Header: Declared in Strmif.h; include Dshow.h.
Library: Use Strmiids.lib.
See Also