namespace WorkflowBuilder.MyWindows
{
  /// <summary>
  /// Interaction logic for InputStringWindow.xaml
  /// </summary>
  public partial class InputStringWindow : Window
  {
    public InputStringWindow()
    {
      InitializeComponent();
      //設置默認輸入焦點
      FocusManager.SetFocusedElement(this,tbContent);
    }
    private void button1_Click(object sender, RoutedEventArgs e)
    {
      tbContent.Text = tbContent.Text.Trim();
      if (tbContent.Text.Length > 0)
      {
        Close();//關閉窗口
      }
      else
      {
        MessageBox.Show("輸入的字符串長度不能為空！");
      }
    }
  }
}

InputStringWindow isw = new InputStringWindow();
isw.Title = "給新頁面命名";
isw.ShowDialog();//模式，彈出！
//isw.Show()//無模式，彈出！