|Microsoft DirectX 9.0|
Release a device context handle.
HDC hdc );
- [in] Handle to a device context.
If the method succeeds, the return value is D3D_OK.
D3DERR_INVALIDCALL is returned if the argument is invalid.
An handle to a device context (HDC) is a Microsoft?Windows?resource. It must be released after use so Windows can return it to the pool of available resources.
This method will release only the device context returned by IDirect3DSurface9::GetDC. Otherwise, this method will fail.