显示密码图标缩短xaml表单中的输入字段

<Grid>
    <Grid.ColumnDefinitions>
        <ColumnDefinition Width="*" />
        <ColumnDefinition Width="Auto" />
    </Grid.ColumnDefinitions>
    <PasswordBox x:Name="passwordBox" Grid.Column="0" />
    <ToggleButton x:Name="toggleButton" Grid.Column="1" Content="" FontFamily="Segoe MDL2 Assets" Click="ToggleButton_Click" />
</Grid>

private void ToggleButton_Click(object sender, RoutedEventArgs e)
{
    if (toggleButton.IsChecked == true)
    {
        passwordBox.Visibility = Visibility.Collapsed;
        // 创建一个新的TextBox来显示密码
        TextBox textBox = new TextBox();
        textBox.Text = passwordBox.Password;
        textBox.IsReadOnly = true;
        textBox.BorderThickness = new Thickness(0);
        Grid.SetColumn(textBox, 0);
        Grid.SetColumnSpan(textBox, 2);
        grid.Children.Add(textBox);
    }
    else
    {
        passwordBox.Visibility = Visibility.Visible;
        // 移除显示密码的TextBox
        grid.Children.Remove(grid.Children.OfType<TextBox>().FirstOrDefault());
    }
}