C# 在PasswordBox中显示密码的好方法

我想知道有谁知道如何在密码箱中显示密码。

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您已经读到可以将文本框绑定到密码框，但这不是另一种方式。

如果您希望密码可见，您应该使用文本框。密码框的唯一功能是屏蔽输入。它不提供额外的功能。还可以在运行时切换文本框和密码框

密码框控件中没有任何内置属性显示密码字符。但我们可以通过TextBox控件在PasswordBox中显示密码来实现这一点。用于WPF中具有显示/隐藏功能的密码箱。我们将使用两个文本块控件，文本框控件，密码框控件，图像控件

XAML

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但是如果我有一个文本框，我希望它看起来像一个密码框。所以当我在文本框中写的是点而不是字母，然后我有一个按钮来显示实际值。试试这个.myTextBox.PasswordChar='*'。让我们看看它是如何工作的“密码框的唯一功能是屏蔽输入”-只是想指出，WPF PasswordBox将值安全地存储在SecurePassword属性（即a）的内存中，而TextBox不这样做。为此，我一直使用TextBox。试试看，我还是想把这个值隐藏在textboxheh中，因为事实证明它并不简单。查看相关帖子-

<Grid>
    <TextBlock Text="Welcome&#xa;To see the Password"
               FontSize="28"
               FontWeight="Bold"
               HorizontalAlignment="Center"
               VerticalAlignment="Top"
               TextAlignment="Center"
               Margin="0,30,0,0" />
    <TextBlock Text="Enter your password"
               FontSize="20"
               HorizontalAlignment="Left"
               Margin="112,160,0,0"
               VerticalAlignment="Top" />
    <TextBox Height="40"
             FontSize="20"
             Padding="5,2,47,0"
             HorizontalAlignment="Left"
             Margin="112,193,0,0"
             Name="txtVisiblePasswordbox"
             VerticalAlignment="Top"
             Width="274" />
    <PasswordBox Height="40"
                 FontSize="20"
                 Padding="5,2,47,0" 
                 HorizontalAlignment="Left"
                 Margin="112,193,0,0"
                 Name="txtPasswordbox"
                 VerticalAlignment="Top"
                 Width="274"
                 PasswordChanged="txtPasswordbox_PasswordChanged" />
    <Image Visibility="Hidden"
           Height="30"
           HorizontalAlignment="Left"
           Name="ImgShowHide"
           Stretch="Fill"
           VerticalAlignment="Top"
           Width="30"
           Margin="351,198,0,0"
           MouseLeave="ImgShowHide_MouseLeave"
           PreviewMouseDown="ImgShowHide_PreviewMouseDown"
           PreviewMouseUp="ImgShowHide_PreviewMouseUp" />
</Grid>

string AppPath = Directory.GetCurrentDirectory();
public MainWindow()
{
    InitializeComponent();
    ImgShowHide.Source = new BitmapImage(new Uri(AppPath + "\\img\\clip.jpg"));
}
private void ImgShowHide_PreviewMouseUp(object sender, MouseButtonEventArgs e)
{
    HidePassword();
}

private void ImgShowHide_PreviewMouseDown(object sender, MouseButtonEventArgs e)
{
    ShowPassword();
}
private void ImgShowHide_MouseLeave(object sender, MouseEventArgs e)
{
    HidePassword();
}
private void txtPasswordbox_PasswordChanged(object sender, RoutedEventArgs e)
{
    if(txtPasswordbox.Password.Length > 0)
        ImgShowHide.Visibility = Visibility.Visible;
    else
        ImgShowHide.Visibility = Visibility.Hidden;
}

void ShowPassword()
{
    ImgShowHide.Source = new BitmapImage(new Uri(AppPath + "\\img\\cus.jpg"));
    txtVisiblePasswordbox.Visibility = Visibility.Visible;
    txtPasswordbox.Visibility = Visibility.Hidden;
    txtVisiblePasswordbox.Text = txtPasswordbox.Password;
}
void HidePassword()
{
    ImgShowHide.Source = new BitmapImage(new Uri(AppPath + "\\img\\clip.jpg"));
    txtVisiblePasswordbox.Visibility = Visibility.Hidden;
    txtPasswordbox.Visibility = Visibility.Visible;
    txtPasswordbox.Focus();
}