IDirectDraw4::CreateClipper (Windows CE 5.0)
This method creates a DirectDrawClipper object.
HRESULT CreateClipper( DWORD dwFlags, LPDIRECTDRAWCLIPPER FAR* lplpDDClipper, IUnknown FAR* pUnkOuter);
Parameters
- dwFlags
This parameter is 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
Allows for future compatibility with COM aggregation functionality. Presently, this method will return CLASS_E_NOAGGREGATION if this parameter is anything but NULL.
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_INVALIDOBJECT |
| DDERR_INVALIDPARAMS |
| DDERR_NOCOOPERATIVELEVELSET |
| DDERR_OUTOFMEMORY |
Remarks
The DirectDrawClipper object can be attached to a DirectDrawSurface and used during IDirectDrawSurface5::Blt and IDirectDrawSurface5::UpdateOverlay operations.
To create a DirectDrawClipper object that is not owned by a specific DirectDraw object, use the DirectDrawCreateClipper function.
Requirements
OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
Header: Ddraw.h.
Link Library: Ddraw.lib.
See Also
IDirectDrawSurface5::GetClipper | IDirectDrawSurface5::SetClipper
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