Transforming an Object
<UserControl x:Class='SilverlightApplication3.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:DesignWidth='640'
d:DesignHeight='480'>
<StackPanel>
<TextBox x:Name="txtMatrixTransform">
<TextBox.RenderTransform>
<MatrixTransform>
<MatrixTransform.Matrix>
<Matrix M11="1" M12="0" M21="0" M22="1" OffsetX="0" OffsetY="0"/>
</MatrixTransform.Matrix>
</MatrixTransform>
</TextBox.RenderTransform>
</TextBox>
<StackPanel Margin="4,4,0,4" HorizontalAlignment="Left"
VerticalAlignment="Stretch" Width="99.4" Grid.Row="1">
<TextBlock Text="M11:" />
<TextBlock Text="M12:" />
<TextBlock Text="M21:" />
<TextBlock Text="M22:" />
<TextBlock Text="OffsetX:" />
<TextBlock Text="OffsetY:" />
<Button Content="Reset" Click="ResetMatrix"/>
</StackPanel>
<StackPanel>
<TextBox x:Name="txtM11" Text="1" />
<TextBox x:Name="txtM12" Text="0" />
<TextBox x:Name="txtM21" Text="0" />
<TextBox x:Name="txtM22" Text="1" />
<TextBox x:Name="txtOffsetX" Text="0" />
<TextBox x:Name="txtOffsetY" Text="0" />
<Button Height="Auto" Width="Auto" Content="Set MatrixTransform" Click="ApplyMatrix"/>
</StackPanel>
</StackPanel>
</UserControl>
//File: Page.xaml.cs
using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
namespace SilverlightApplication3
{
public partial class MainPage : UserControl
{
public MainPage()
{
InitializeComponent();
}
private void ApplyMatrix(object sender, RoutedEventArgs e)
{
MatrixTransform mt = (MatrixTransform)txtMatrixTransform.RenderTransform;
try
{
Matrix m = new Matrix(Convert.ToDouble(txtM11.Text),
Convert.ToDouble(txtM12.Text), Convert.ToDouble(txtM21.Text),
Convert.ToDouble(txtM22.Text), Convert.ToDouble(txtOffsetX.Text),
Convert.ToDouble(txtOffsetY.Text));
mt.Matrix = m;
}
catch
{
txtMatrixTransform.Text = "Invalid-retry:-)";
ResetMatrix(sender, e);
}
}
private void ResetMatrix(object sender, RoutedEventArgs e)
{
txtM11.Text = "1";
txtM12.Text = "0";
txtM21.Text = "0";
txtM22.Text = "1";
txtOffsetX.Text = "0";
txtOffsetY.Text = "0";
MatrixTransform mt = (MatrixTransform)txtMatrixTransform.RenderTransform;
Matrix m = new Matrix(1, 0, 0, 1, 0, 0);
mt.Matrix = m;
}
}
}
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