IDirectDraw7::GetSurfaceFromDC method (ddraw.h)

Retrieves the IDirectDrawSurface7 interface for a surface, based on its GDI device context handle.

Syntax

HRESULT GetSurfaceFromDC(
  [in]  HDC                  unnamedParam1,
  [out] LPDIRECTDRAWSURFACE7 *unnamedParam2
);

[in] unnamedParam1

Handle of a display device context.

[out] unnamedParam2

Address of a variable to be filled with a pointer to the IDirectDrawSurface7 interface for the surface if the call succeeds.

If the method succeeds, the return value is DD_OK.

If it fails, the method can return one of the following error values:

This method succeeds only for device context handles that identify surfaces already associated with the DirectDraw object.