wpf 中如何设置textbox为密码框？

[Barber128]

急求

[yanran_hill]

环境:WPF WEB浏览器应用,.netframework4.0 添加引用 system.Windows.Forms,
在xaml中直接书写

using System.Windows.Controls;

<PasswordBox Height="26" HorizontalAlignment="Left" Margin="500,107,0,0" Name="密码输入框" VerticalAlignment="Top" Width="222" FontSize="20" Password="" />

[wuyq11]

<PasswordBox Grid.Row="1" Height="23" Margin="102.816,0,55.692,-107.098" Name="passwordBox" VerticalAlignment="Bottom" />

[abrianna]

用PasswordBox控件。