### IDirectDrawSurface3::ReleaseDC

The IDirectDrawSurface3::ReleaseDC method releases the handle of a device context previously obtained by using the IDirectDrawSurface3::GetDC method.

HRESULT ReleaseDC(

HDC hDC

);

##### Parameters

hDC
  Handle to a device context previously obtained by IDirectDrawSurface3::GetDC.

##### Return Values

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

##### Remarks

This method also unlocks the surface previously locked when the IDirectDrawSurface3::GetDC method was called.

##### See Also

IDirectDrawSurface3::GetDC