WPF 关于ShowDialog后主窗体依然能响应键盘输入法的解决方案。

后台代码：

  
    

   
      1 
   
      
   
     private
   
      
   
     static
   
      
   
     bool
   
      boolean 
   
     =
   
      
   
     true
   
     ;

   
      2 
   
     

   
      3 
   
      
   
     public
   
      
   
     static
   
      
   
     bool
   
      Boolean

   
      4 
   
      {

   
      5 
   
      
   
     get
   
      { 
   
     return
   
      MainWindow.boolean; }

   
      6 
   
      
   
     set
   
      { MainWindow.boolean 
   
     =
   
      value; }

   
      7 
   
      }

   
      8 
   
      

   
      9 
   
      
   
     private
   
      
   
     void
   
      errorBtn_Click(
   
     object
   
      sender, RoutedEventArgs e)

   
     10 
   
      {

   
     11 
   
      dialogWindow.Title 
   
     =
   
      
   
     "
   
     Error
   
     "
   
     ;

   
     12 
   
      dialogWindow 
   
     =
   
      
   
     new
   
      DialogWindow(dialogWindow.Title);

   
     13 
   
      window.IsEnabled 
   
     =
   
      
   
     false
   
     ;

   
     14 
   
      boolean 
   
     =
   
      
   
     false
   
     ;

   
     15 
   
      dialogWindow.ShowDialog();

   
     16 
   
      }

   
     17 
   
      

   
     18 
   
      
   
     private
   
      
   
     void
   
      window_Activated(
   
     object
   
      sender, EventArgs e)

   
     19 
   
      {

   
     20 
   
      
   
     if
   
      (boolean 
   
     ==
   
      
   
     true
   
     )

   
     21 
   
      {

   
     22 
   
      window.IsEnabled 
   
     =
   
      
   
     true
   
     ;

   
     23 
   
      }

   
     24 
   
      }
  
    

弹出窗体后台代码：

  
    

   
      1 
   
      
   
     public
   
      DialogWindow()

   
      2 
   
      {

   
      3 
   
      InitializeComponent();

   
      4 
   
      

   
      5 
   
      }

   
      6 
   
     

   
      7 
   
      
   
     public
   
      DialogWindow(
   
     string
   
      _title):
   
     this
   
     ()

   
      8 
   
      {

   
      9 
   
      Title 
   
     =
   
      _title;

   
     10 
   
      DialogPage page 
   
     =
   
      
   
     new
   
      DialogPage(Title);

   
     11 
   
      windowframe.Content 
   
     =
   
      page; 

   
     12 
   
      }

   
     13 
   
     

   
     14 
   
      
   
     protected
   
      
   
     override
   
      
   
     void
   
      OnClosing(CancelEventArgs e)

   
     15 
   
      {

   
     16 
   
      e.Cancel 
   
     =
   
      
   
     true
   
     ;

   
     17 
   
      
   
     base
   
     .OnClosing(e);

   
     18 
   
      Visibility 
   
     =
   
      Visibility.Hidden;

   
     19 
   
      }

   
     20 
   
     

   
     21 
   
      
   
     private
   
      
   
     void
   
      Window_Closing(
   
     object
   
      sender, CancelEventArgs e)

   
     22 
   
      {

   
     23 
   
      MainWindow.Boolean 
   
     =
   
      
   
     true
   
     ;

   
     24 
   
      }