private void btnShowPoints_Click(object sender, RoutedEventArgs e)
 {
     wP = new WindowPoints();
     //this.Hide();
     wP.ShowDialog();
     //this.Show();
 }
 private void btnShowPoints_Click(object sender, RoutedEventArgs e)
 {
     wP = new WindowPoints();
     //this.Hide();
     wP.ShowDialog();
     //this.Show();
 }