Indeterminate ProgressBar

   
  

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    x:Class="ProgBar.Window1"
    Title ="ProgressBar"
    Width="500">

  <StackPanel>
    <Button Content="One" Click="MakeOne"/>
    <StatusBar Name="sbar" Grid.Column="0" Grid.Row="5" VerticalAlignment="Bottom" Background="Beige" >
      <StatusBarItem>
        <TextBlock>StatusBar</TextBlock>
      </StatusBarItem>
    </StatusBar>
  </StackPanel>
</Window>
//File:Window.xaml.cs
using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;



namespace ProgBar
{

    public partial class Window1 : Window
    {
        
        private void MakeOne(object sender, RoutedEventArgs e)
        {
            sbar.Items.Clear();
             Label lbl = new Label();
             lbl.Background = new LinearGradientBrush(Colors.Pink, Colors.Red, 90);
             lbl.Content = "Indeterminate ProgressBar.";
             sbar.Items.Add(lbl);
             //<Snippet3>
             ProgressBar progbar = new ProgressBar();
             progbar.Background = Brushes.Gray;
             progbar.Foreground = Brushes.Red;
             progbar.Width = 150;
             progbar.Height = 15;
             progbar.IsIndeterminate = true;
             //</Snippet3>
             sbar.Items.Add(progbar);
        } 
     }
}