Create an instance of Viewbox in code. Use Viewbox to stretch or scale a single child element. : Viewbox « Windows Presentation Foundation « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. Windows Presentation Foundation
3. Viewbox

using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Shapes;
using System.Threading;


  public class app : System.Windows.Application
  {
        System.Windows.Controls.Canvas myCanvas;
    System.Windows.Window mainWindow;
        System.Windows.Controls.Viewbox myViewbox;
        System.Windows.Controls.Grid myGrid;
        System.Windows.Controls.TextBlock myTextBlock;
        System.Windows.Shapes.Ellipse myEllipse;

    protected override void OnStartup (StartupEventArgs e)
    {
      base.OnStartup (e);
      mainWindow = new System.Windows.Window ();

      myCanvas = new Canvas();
            myCanvas.Background = System.Windows.Media.Brushes.Silver;
            myCanvas.Width = 600;
            myCanvas.Height = 600;
            
            myViewbox = new Viewbox();
            myViewbox.StretchDirection = StretchDirection.Both;
            myViewbox.Stretch = Stretch.Fill;
            myViewbox.MaxWidth = 400;
            myViewbox.MaxHeight = 400;

            myGrid = new Grid();
            myEllipse = new Ellipse();
            myEllipse.Stroke = Brushes.RoyalBlue;
            myEllipse.Fill = Brushes.LightBlue;

            myTextBlock = new TextBlock();
            myTextBlock.Text = "Viewbox";

            myGrid.Children.Add(myEllipse);
            myGrid.Children.Add(myTextBlock);

            myViewbox.Child = myGrid;
            
            Canvas.SetTop(myViewbox, 100);
            Canvas.SetLeft(myViewbox, 100);
            myCanvas.Children.Add(myViewbox);

            mainWindow.Content = myCanvas;
      mainWindow.Show();
    }
    [System.STAThread()]
    private static void Main ()
    {
      app app = new app ();
      app.Run ();
    }
  }

24.65.Viewbox
	24.65.1.	Programmatically change the Stretch and StretchDirection of content within a Viewbox.
	24.65.2.	Create an instance of Viewbox in code. Use Viewbox to stretch or scale a single child element.