用於WPF的Silverlight ChildWindow

Question

是否有可能在Silverlight中創建ChildWindow，如ChildWindow，但對於WPF？我嘗試將Silverlight ChildWindow調整爲WPF，但遇到轉換問題並且無法設置Popup的父項。我正在嘗試製作一些類似的工具，因此我不必將代碼添加到XAML中以獲取彈出窗口。有任何想法嗎？

Answer 1

該類應該做你想做的事：

public class SilverlightishPopup 
{ 
    private Rectangle maskRectangle = new Rectangle { Fill = new SolidColorBrush(Colors.DarkGray), Opacity = 0.0 }; 

    public FrameworkElement Parent 
    { 
     get; 
     set; 
    } 

    public FrameworkElement Content 
    { 
     get; 
     set; 
    } 

    public SilverlightishPopup() 
    { 
     Button button = new Button(); 
     button.Width = 100; 
     button.Height = 200; 
     button.Content = "I am the popup!"; 

     button.Click += delegate { Close(); }; 

     Content = button; 
    } 

    public void Show() 
    { 
     Grid grid = GetRootGrid(); 

     if (grid != null) 
     { 
      DoubleAnimation opacityAnimation = new DoubleAnimation(0.5, new Duration(TimeSpan.FromSeconds(0.5))); 

      Storyboard opacityBoard = new Storyboard(); 
      opacityBoard.Children.Add(opacityAnimation); 

      Storyboard.SetTarget(opacityAnimation, maskRectangle); 
      Storyboard.SetTargetProperty(opacityAnimation, new PropertyPath("(Opacity)")); 

      opacityBoard.Completed += delegate 
      { 
       ScaleTransform scaleTransform = new ScaleTransform(0.0, 0.0, Content.Width/2.0, Content.Height/2.0); 
       Content.RenderTransform = scaleTransform; 

       grid.Children.Add(Content); 

       Storyboard scaleBoard = new Storyboard(); 

       DoubleAnimation scaleXAnimation = new DoubleAnimation(1.0, TimeSpan.FromSeconds(0.5)); 

       scaleBoard.Children.Add(scaleXAnimation); 

       Storyboard.SetTarget(scaleXAnimation, Content); 
       Storyboard.SetTargetProperty(scaleXAnimation, new PropertyPath("(UIElement.RenderTransform).(ScaleTransform.ScaleX)")); 

       DoubleAnimation scaleYAnimation = new DoubleAnimation(1.0, TimeSpan.FromSeconds(0.5)); 

       scaleBoard.Children.Add(scaleYAnimation); 

       Storyboard.SetTarget(scaleYAnimation, Content); 
       Storyboard.SetTargetProperty(scaleYAnimation, new PropertyPath("(UIElement.RenderTransform).(ScaleTransform.ScaleY)")); 

       scaleBoard.Begin(); 
      }; 

      opacityBoard.Begin(); 

      grid.Children.Add(maskRectangle); 
     } 
    } 

    public void Close() 
    { 
     Grid grid = GetRootGrid(); 

     if (grid != null) 
     { 
      ScaleTransform scaleTransform = new ScaleTransform(1.0, 1.0, Content.Width/2.0, Content.Height/2.0); 
      Content.RenderTransform = scaleTransform; 

      Storyboard scaleBoard = new Storyboard(); 

      DoubleAnimation scaleXAnimation = new DoubleAnimation(0.0, TimeSpan.FromSeconds(0.5)); 

      scaleBoard.Children.Add(scaleXAnimation); 

      Storyboard.SetTarget(scaleXAnimation, Content); 
      Storyboard.SetTargetProperty(scaleXAnimation, new PropertyPath("(UIElement.RenderTransform).(ScaleTransform.ScaleX)")); 

      DoubleAnimation scaleYAnimation = new DoubleAnimation(0.0, TimeSpan.FromSeconds(0.5)); 

      scaleBoard.Children.Add(scaleYAnimation); 

      Storyboard.SetTarget(scaleYAnimation, Content); 
      Storyboard.SetTargetProperty(scaleYAnimation, new PropertyPath("(UIElement.RenderTransform).(ScaleTransform.ScaleY)")); 

      scaleBoard.Completed += delegate 
      { 
       DoubleAnimation opacityAnimation = new DoubleAnimation(0.5, 0.0, new Duration(TimeSpan.FromSeconds(0.5))); 

       Storyboard opacityBoard = new Storyboard(); 
       opacityBoard.Children.Add(opacityAnimation); 

       Storyboard.SetTarget(opacityAnimation, maskRectangle); 
       Storyboard.SetTargetProperty(opacityAnimation, new PropertyPath("(Opacity)")); 

       opacityBoard.Completed += delegate 
       { 
        grid.Children.Remove(maskRectangle); 
        grid.Children.Remove(Content); 
       }; 

       opacityBoard.Begin(); 
      }; 

      scaleBoard.Begin(); 
     } 
    } 

    private Grid GetRootGrid() 
    { 
     FrameworkElement root = Parent; 

     while (root is FrameworkElement && root.Parent != null) 
     { 
      FrameworkElement rootElement = root as FrameworkElement; 

      if (rootElement.Parent is FrameworkElement) 
      { 
       root = rootElement.Parent as FrameworkElement; 
      } 
     } 

     ContentControl contentControl = root as ContentControl; 

     return contentControl.Content as Grid; 
    } 
} 

只需設置父屬性的父窗口的任何框架元素（它會發現窗口與面罩阻止它），和將內容設置爲想要彈出的任何內容（當然，當您想要顯示時調用Show方法）。你必須自己拿出彈出包裝器（即帶有邊框和關閉按鈕的東西），但它不應該很難，並且顯然在構造器中移除佔位符按鈕（它只是爲了向你展示它的外觀）。

這樣做的唯一問題是它只能在具有內容的窗口上工作（即在Silverlight中名爲「LayoutRoot」的東西）是一個網格（當您創建新的WPF/Silverlight窗口/頁面時）。我已經將它設置爲適用於所有面板，但在與StackPanel或DockPanel一起使用時（如預期的）它看起來很奇怪。如果這不適合你，讓我知道，我們會找出一些東西。

如果您使用它，您可能可以使動畫看起來更接近原始彈出（可能使用一些緩動）。也許還有更好的方法來找到根，我剛剛提出了這種方法，但我認爲它會起作用（儘管如此，只有將ContentControl的內容設置爲網格）。

如果您有任何疑問/問題，請告知我，我希望這可以解決您的問題。

Answer 2

只從窗口派生並從父窗口調用ShowDialog。

Answer 3

看看BubbleBurst Sourcecode。 GameOverView完全符合你的要求。

Answer 4

看到擴展WPF工具包這裏 http://wpftoolkit.codeplex.com/wikipage?title=ChildWindow&referringTitle=Home