| Microsoft DirectX 8.1 (C++) | 
Unlocks a rectangle on a cube texture resource.
HRESULT UnlockRect( D3DCUBEMAP_FACES FaceType, UINT Level );
If the method succeeds, the return value is D3D_OK.
D3DERR_INVALIDCALL is returned if one or more of the arguments are invalid.
  Header: Declared in D3d8.h.
  Import Library: Use D3d8.lib.
IDirect3DCubeTexture8::AddDirtyRect, IDirect3DCubeTexture8::LockRect