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Categories / VB.Net Tutorial / 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.vb Imports System Imports System.Windows Imports System.Windows.Controls Imports System.Windows.Documents Namespace Visibility_Layout_Samp   Public Partial Class Window1     Inherits Window     Public Sub contentVis(sender As Object, e As RoutedEventArgs)       tb1.Visibility = System.Windows.Visibility.Visible       txt1.Text = "Visibility is now set to Visible."     End Sub     Public Sub contentHid(sender As Object, e As RoutedEventArgs)       tb1.Visibility = System.Windows.Visibility.Hidden       txt1.Text = "Visibility is now set to Hidden."     End Sub     Public Sub contentCol(sender As Object, e As RoutedEventArgs)       tb1.Visibility = System.Windows.Visibility.Collapsed       txt1.Text = "Visibility is now set to Collapsed."     End Sub   End Class End Namespace