PasswordBox control has two major properties The passwordBox control is a special type of TextBox designed to enter passwords. For this purpose, WPF has the PasswordBox control. Introduction of passwordboxįor editing regular text in WPF we have the TextBox conrol, but what about editing passwords? The functionality is very much the same, but we want WPF to display something else than the actual characters when typing in a password, to shield it from nosy people looking over your shoulder.
#Wpf passwordbox hides text how to
In previous articles we explained How to Create Timer in WPF using C# and now we will move on Display Password in PasswordBox in WPF. In this article we provide introduction of PasswordBox in WPF with simple example “ Display Password in PasswordBox” and it’s all about how to develop make create PasswordBox with show/hide functionality in WPF. Tip: After writing, you may be prompted that the namespace cannot be found.Step by step article regarding, display password in PasswordBox WPF. Use the reconstructed PasswordBox after creating the class, which needs to be referenced in the window SetPasswordLength(pb, pb.Password.Length) Static void PasswordChanged(object sender, RoutedEventArgs e) Private static void OnIsMonitoringChanged(DependencyObject d, DependencyPropert圜hangedEventArgs e) Public static readonly DependencyProperty PasswordLengthProperty =ĭependencyProperty.RegisterAttached("PasswordLength", typeof(int), typeof(PasswordBoxMonitor), new UIPropertyMetadata(0)) Obj.SetValue(PasswordLengthProperty, value) Public static void SetPasswordLength(DependencyObject obj, int value)
Return (int)obj.GetValue(PasswordLengthProperty) Public static int GetPasswordLength(DependencyObject obj) Public static readonly DependencyProperty IsMonitoringProperty =ĭependencyProperty.RegisterAttached("IsMonitoring", typeof(bool), typeof(PasswordBoxMonitor), new UIPropertyMetadata(false, OnIsMonitoringChanged)) Obj.SetValue(IsMonitoringProperty, value) Public static void SetIsMonitoring(DependencyObject obj, bool value) Return (bool)obj.GetValue(IsMonitoringProperty) Public static bool GetIsMonitoring(DependencyObject obj) Public class PasswordBoxMonitor : DependencyObject Namespace that needs to be introduced to display watermark :
Since the password box does not have a dependency property that can be used to determine whether the input value is not empty, we add a PasswordBoxMonitor class to monitor whether the password box is empty, inheriting from the DependencyObject class use the PasswordLength property to determine whether the length of the content entered in the password box is 0. The difference between the two methods is that the first method does not disappear when the mouse clicks on the TextBox, but disappears when the text is entered, and the second method is when the mouse clicks on the TextBox, the prompt text disappear PasswordBox watermark effect
Private void TbxUser_LostFocus(object sender, RoutedEventArgs e) SolidColorBrush scb = new SolidColorBrush(Colors.Black) Private void TbxUser_GotFocus(object sender, RoutedEventArgs e) SolidColorBrush scb = new SolidColorBrush(Colors.LightGray) TbxUser.Text = "Please enter the account number"
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