wpf 连续弹出模态对话框的问题
主窗口弹出模态对话框（a）后，再从子模态对话框(a)弹出模态对话框(b)
用鼠标点击父窗口是正常的，但是从任务栏选中窗口(a)，居然可以激活窗口(a)
按下空格键，可以继续从窗口(a)中弹出模态对话框（c）
有什么好的解决方案？
代码如下
xaml
<Window x:Class="WpfApplication1.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="350" Width="525">
<Grid>
<Button Content="Button" Height="23" HorizontalAlignment="Left" Margin="12,12,0,0" Name="button1" VerticalAlignment="Top" Width="75" Click="button1_Click" />
<Button Content="Button" Height="23" HorizontalAlignment="Left" Margin="141,12,0,0" Name="button2" VerticalAlignment="Top" Width="75" Click="button2_Click" />
</Grid>
</Window>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Collections.ObjectModel;
namespace WpfApplication1
{
/// <summary>
/// MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
private void button1_Click(object sender , RoutedEventArgs e)
{
Window w = new MainWindow();
w.Owner = this;
w.ShowDialog();
}
private void button2_Click(object sender , RoutedEventArgs e)
{
MessageBox.Show("msg");
}
}
}
