private void LoadTheme()
{
IThemeManager manager = _weakCont.Get().Resolve <IThemeManager>();
//manager.AddTheme(new VS2010());
//manager.SetCurrent("VS2010");
//manager.AddTheme(new LightTheme());
//manager.SetCurrent("Light");
manager.AddTheme(new DarkTheme());
manager.SetCurrent("Dark");
}