Use Slider to scale a Rectangle : Slider « Windows Presentation Foundation « VB.Net Tutorial

1. VB.Net Tutorial
2. Windows Presentation Foundation
3. Slider

<Window x:Class="ScaleInCustomSystem"
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  Title="Scale In Custom System" Height="310" Width="260">
  <StackPanel Height="280" Width="250">
    <Border BorderBrush="Black" BorderThickness="1" Height="200"
      Width="200" Margin="20">
      <Canvas Height="200" Width="200">
        <Canvas.RenderTransform>
          <TransformGroup>
            <ScaleTransform ScaleY="-1" />
            <TranslateTransform Y="200" />
          </TransformGroup>
        </Canvas.RenderTransform>

        <Rectangle Canvas.Top="100" Canvas.Left="30" Width="80"
          Height="40" Stroke="DarkRed" StrokeThickness="3">
          <Rectangle.RenderTransform>
            <ScaleTransform
              ScaleX="{Binding ElementName=slider,Path=Value}"
              ScaleY="{Binding ElementName=slider,Path=Value}" />
          </Rectangle.RenderTransform>
        </Rectangle>
      </Canvas>
    </Border>
    <Slider Name="slider" Minimum="0" Maximum="3" Value="1"
      TickPlacement="BottomRight" TickFrequency="0.2"
      IsSnapToTickEnabled="True" />
  </StackPanel>
</Window>

16.23.Slider
	16.23.1.	Slider with Tick Marks (TickFrequency=10, TickPlacement=BottomRight)
	16.23.2.	Slider with Irregular Tick Marks (Ticks=0,5,10,15,25,50,100)
	16.23.3.	Slider with a Selection Range (IsSelectionRangeEnabled=True, SelectionStart=25, SelectionEnd=75)
	16.23.4.	Use Slider to scale a Line
	16.23.5.	Use Slider to scale a Rectangle
	16.23.6.	Use Slider to Control Label
	16.23.7.	Slider Attributes
	16.23.8.	Get User Input from a Slider
	16.23.9.	slider value changed event