WPF C# Tutorial

    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    x:Class="Visibility_Layout_Samp.Window1"
    Title="UIELement.Visibility Sample">
      
            
                Visibility="Visible"
                Visibility="Hidden"
                Visibility="Collapsed" 
                
            
                A TextBox
                
            
        


//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.";
        }
    }
}