The IDirectDrawSurface3::ReleaseDC method releases the handle of a device context previously obtained by using the IDirectDrawSurface3::GetDC method.
HRESULT ReleaseDC(
HDC hDC
);
If the method succeeds, the return value is DD_OK.
If the method fails, the return value may be one of the following error values:
| DDERR_GENERIC |
| DDERR_INVALIDOBJECT |
| DDERR_INVALIDPARAMS |
| DDERR_SURFACELOST |
| DDERR_UNSUPPORTED |
This method also unlocks the surface previously locked when the IDirectDrawSurface3::GetDC method was called.
Windows NT: Use version 5.0 or later.
Windows: Use Windows 95 or later. Available as a redistributable for Windows 95.
Windows CE: Unsupported.
Header: Declared in ddraw.h.
Import Library: Use ddraw.lib.
IDirectDrawSurface3::GetDC