private void btn1_Copy2_Click(object sender, RoutedEventArgs e)
 {
     BV_WindowsRuntimeComponent.UI.BV_CustomPopup popup = new BV_WindowsRuntimeComponent.UI.BV_CustomPopup();
     grid.Children.Add(popup);
     popup.IsOpen = true;
 }
 private void btn1_Copy2_Click(object sender, RoutedEventArgs e)
 {
     BV_WindowsRuntimeComponent.UI.BV_CustomPopup popup = new BV_WindowsRuntimeComponent.UI.BV_CustomPopup();
     grid.Children.Add(popup);
     popup.IsOpen = true;
 }