IDirectDraw::CreateClipper (Windows Embedded CE 6.0)

1/6/2010

This method creates a DirectDrawClipper object.

Syntax

HRESULT CreateClipper( 
  DWORD dwFlags, 
  LPDIRECTDRAWCLIPPER FAR* lplpDDClipper, 
  IUnknown FAR* pUnkOuter 
);

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.

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.

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.

Header	ddraw.h
Library	ddraw.lib
Windows Embedded CE	Windows Embedded CE 6.0 and later