private void MenuInit_OnClick(object sender, RoutedEventArgs e)
 {
     MainViewModel1.Reset();
 }
 private void ThreeViewToolWindow_OnLoaded(object sender, RoutedEventArgs e)
 {
     MainViewModel1.ShowPoints();
 }
 private void ShowPoints_OnClick(object sender, RoutedEventArgs e)
 {
     MainViewModel1.ShowPoints();
 }
 private void MenuClear_OnClick(object sender, RoutedEventArgs e)
 {
     MainViewModel1.Clear();
 }
        private void MenuTest_OnClick(object sender, RoutedEventArgs e)
        {
            MainViewModel1.DrawPoint(0, 0, 0);

            //ModelVisual3D1.Content = MainViewModel1.Model;
        }
 public MainWindow()
 {
     InitializeComponent();
     _mainViewModel   = new MainViewModel1();
     this.DataContext = _mainViewModel;
 }