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Categories / C# / WPF

 

Change the Visibility property of a UIElement

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"     x:Class="Visibility_Layout_Samp.Window1"     Title="UIELement.Visibility Sample">       <DockPanel>             <StackPanel DockPanel.Dock="Left">                 <Button Name="btn1" Height="25" Click="contentVis">Visibility="Visible"</Button>                 <Button Name="btn2" Height="25" Click="contentHid">Visibility="Hidden"</Button>                 <Button Name="btn3" Height="25" Click="contentCol">Visibility="Collapsed"</Button>              </StackPanel>                 <StackPanel HorizontalAlignment="Center">                 <TextBox Name="tb1" Width="100" Height="50">A TextBox</TextBox>                 <TextBlock Name="txt1" TextWrapping="Wrap" FontSize="14"/>             </StackPanel>         </DockPanel> </Window> //File:Window.xaml.cs using System; using System.Windows; using System.Windows.Controls; using System.Windows.Documents; namespace Visibility_Layout_Samp {   public partial class Window1 : Window   {         public void contentVis(object sender, RoutedEventArgs e)         {             tb1.Visibility = System.Windows.Visibility.Visible;             txt1.Text = "Visibility is now set to Visible.";         }         public void contentHid(object sender, RoutedEventArgs e)         {             tb1.Visibility = System.Windows.Visibility.Hidden;             txt1.Text = "Visibility is now set to Hidden.";         }         public void contentCol(object sender, RoutedEventArgs e)         {             tb1.Visibility = System.Windows.Visibility.Collapsed;             txt1.Text = "Visibility is now set to Collapsed.";         }     } }