using System.Security; using System.Windows; namespace WPF控件_14_PasswordBox; /// /// Interaction logic for MainWindow.xaml /// public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } private void ClearButton_OnClick(object sender, RoutedEventArgs e) { PasswordBox.Clear(); } private void PasteButton_OnClick(object sender, RoutedEventArgs e) { PasswordBox.Paste(); } private void SelectAllButton_OnClick(object sender, RoutedEventArgs e) { PasswordBox.SelectAll(); var secureString = new SecureString(); secureString.Dispose(); } private void PasswordBox_OnPasswordChanged(object sender, RoutedEventArgs e) { Console.WriteLine(PasswordBox.Password); } }