protected override void Initialize()
{
base.Initialize();
di = new DirectInput();
_subsysKeyboard = new Subsystem_Input_Keyboard(di);
_subsysMouse = new Subsystem_Input_Mouse(di);
}
protected override void Cleanup()
{
_subsysKeyboard?.Dispose();
_subsysKeyboard = null;
_subsysMouse?.Dispose();
_subsysMouse = null;
di?.Dispose();
di = null;
base.Cleanup();
}