|Microsoft DirectX 9.0|
Releases all references to video memory resources and deletes all state blocks.
If the method succeeds, the return value is S_OK.
If the method fails, the return value can be D3DERR_INVALIDCALL.
This method should be called whenever the device is lost. Before this object can be used again, the device must be reset and the ID3DXEffect::OnResetDevice method called.