|Microsoft DirectX 9.0|
Restores the device state to how it was when ID3DXFont::Begin was called.
If the method succeeds, the return value is D3D_OK.
If the method fails, the return value can be one of the following values.
D3DERR_INVALIDCALL The method call is invalid. For example, a method's parameter may have an invalid value. D3DXERR_INVALIDDATA The data is invalid.