IDirectDraw::CreateClipper (Compact 2013)
3/26/2014
This method creates a DirectDrawClipper object.
Syntax
HRESULT CreateClipper(
DWORD dwFlags,
LPDIRECTDRAWCLIPPER FAR* lplpDDClipper,
IUnknown FAR* pUnkOuter
);
Parameters
- dwFlags
Currently not used and must be set to zero.
- lplpDDClipper
Address of a variable that will be set to a valid IDirectDrawClipper interface pointer if the call succeeds.
- pUnkOuter
This method returns CLASS_E_NOAGGREGATION if this parameter is anything but NULL.
Return Value
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_INVALIDOBJECT |
DDERR_INVALIDPARAMS |
DDERR_NOCOOPERATIVELEVELSET |
DDERR_OUTOFMEMORY |
For more information on these error codes see DirectDraw Return Values.
Remarks
The DirectDrawClipper object can be attached to a DirectDrawSurface and used during IDirectDrawSurface::Blt and IDirectDrawSurface::UpdateOverlay operations.
To create a DirectDrawClipper object that is not owned by a specific DirectDraw object, use the DirectDrawCreateClipper function.
Requirements
Header |
ddraw.h |
Library |
ddraw.lib |
See Also
Reference
IDirectDraw
DirectDraw Reference
DirectDraw Interfaces
IDirectDrawSurface::GetClipper
IDirectDrawSurface::SetClipper