Silverlight

Silverlight- Scale Transform Example



In this article we will be seeing how to create Silverlight Scale Transform using Visual studio 2010.

Transform classes in Silverlight are used to rotate, scale, skew and translate objects. In this we will be seeing the ScaleTransform and its properties.

Namespace: System.Windows.Media

Assembly: System.Windows

Scale Transform:

It is used to stretch or shrink an object horizontally or vertically. It is defined by the following properties.

  • ScaleX
  • ScaleY

ScaleX Property:

It is used to specify the amount to stretch or shrink an object along the x-axis.



<Canvas Height="200" Width="200" Background="Gray">
<Rectangle Canvas.Left="75" Canvas.Top="75" x:Name="rect" Height="50" Width="50" Fill="Black" Opacity="0.5">
<Rectangle.RenderTransform>
<ScaleTransform x:Name="scaleTransform" ScaleX="2" ></ScaleTransform>
</Rectangle.RenderTransform>
</Rectangle>
</Canvas>

ScaleY Property:

It is used to specify the amount to stretch or shrink an object along the y-axis.

<Canvas Height="200" Width="200" Background="Gray">
<Rectangle Canvas.Left="75" Canvas.Top="75" x:Name="rect" Height="50" Width="50" Fill="Black" Opacity="0.5">
<Rectangle.RenderTransform>
<ScaleTransform x:Name="scaleTransform" ScaleY="2" ></ScaleTransform>
</Rectangle.RenderTransform>
</Rectangle>
</Canvas>

ScaleX=2; ScaleY=2;


<Canvas Height="200" Width="200" Background="Gray">
<Rectangle Canvas.Left="75" Canvas.Top="75" x:Name="rect" Height="50" Width="50" Fill="Black" Opacity="0.5">
<Rectangle.RenderTransform>
<ScaleTransform x:Name="scaleTransform" ScaleX="2" ScaleY="2" ></ScaleTransform>
</Rectangle.RenderTransform>
</Rectangle>
</Canvas>

Steps Involved:

Creating a Silverlight Application:
  1. Open Visual Studio 2010.
  2. Go to File => New => Project.
  3. Select Silverlight from the Installed templates and choose the Silverlight Application template.
  4. Enter the Name and choose the location.
  5. Click OK.
  6. In the New Silverlight Application wizard check the "Host the Silverlight Application in a new Web site".
  7. Click OK.

Creating the UI:

Open MainPage.xaml file and replace the code with the following.

<UserControl x:Class="SilverlightScaleTransform.MainPage"
 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
 xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
 xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
 mc:Ignorable="d"
 d:DesignHeight="300" d:DesignWidth="400">
<Canvas Height="200" Width="200" Background="Gray">
<Rectangle Canvas.Left="75" Canvas.Top="75" x:Name="rect" Height="50" Width="50" Fill="Black" Opacity="0.5">
<Rectangle.RenderTransform>
<ScaleTransform x:Name="scaleTransform" ScaleX="2" ScaleY="2" ></ScaleTransform>
</Rectangle.RenderTransform>
</Rectangle>
</Canvas>

Testing the solution:
  1. Build the solution.
  2. Hit ctrl+F5.

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