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This method retrieves the IDirectDrawSurface4 interface for a surface based on its GDI device context handle.
HRESULT GetSurfaceFromDC(HDChdc,LPDIRECTDRAWSURFACE4* lpDDS4);
Parameters
- hdc
Handle to a display device context. - lpDDS4
Address of a variable that will be filled with a valid IDirectDrawSurface4 interface pointer if the call succeeds.
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_INVALIDPARAMS |
| DDERR_OUTOFMEMORY |
| DDERR_NOTFOUND |
Remarks
This method will succeed only for device context handles that identify surfaces already associated with the DirectDraw object.
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.
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