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| Microsoft DirectShow 9.0 |
IVMRSurface::UnlockSurface
The UnlockSurface method unlocks the attached DirectDraw surface.
Syntax
HRESULT UnlockSurface();
Parameters
This method takes no parameters.
Return Values
If the method succeeds, it returns S_OK. If it fails, it returns an error code.
| Error Code | Description |
| E_FAIL | No DirectDraw surface is attached to this sample. |
Requirements
Header: Declared in Strmif.h; include Dshow.h.
Library: Use Strmiids.lib.
See Also