XAML polygon transformation tool

<Window x:Class="PolyTransform.PolyTransformation"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:pt="clr-namespace:PolyTransform"
      Title="Poly-Transformer" Height="500"  Width="675" Loaded="Window_Loaded"  >
    <Window.Resources>
        <pt:LinearTransformation x:Key="LinTrans" BoundingBox="False"  TopLeftOrigin="False" UniformStretch="False"   />
        <pt:FlipTransformation x:Key="AxialTrans" />
        <pt:RotationalTransformation x:Key="RotateTrans" />
    </Window.Resources>
    <DockPanel>
        <DockPanel.Resources>

            <ResourceDictionary>
                <ResourceDictionary.MergedDictionaries>
                    <ResourceDictionary Source="Templates/LinearResources.xaml"/>
                    <ResourceDictionary Source="Templates/FlipResources.xaml"/>
                    <ResourceDictionary Source="Templates/RotationalResources.xaml"/>
                </ResourceDictionary.MergedDictionaries>
            </ResourceDictionary>
        </DockPanel.Resources>
        <Grid DockPanel.Dock="Top" >
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="220"/>
                <ColumnDefinition Width="220"/>
                <ColumnDefinition Width="220"/>
            </Grid.ColumnDefinitions>
            <Grid.RowDefinitions>

                <RowDefinition Height="160"/>
                <RowDefinition Height="23"/>
            </Grid.RowDefinitions>
            <!--Col 0-->
            <ContentControl  Grid.Column="0" Grid.Row="0" Margin="10,10,10,10" ContentTemplate="{StaticResource AxialTransTemplate}" Content="{ DynamicResource AxialTrans}"/>
            <!--Col 1-->
            <ContentControl  Grid.Column="1" Grid.Row="0" Margin="10,10,10,10" ContentTemplate="{StaticResource RotateTransTemplate}" Content="{ DynamicResource RotateTrans}"/>
            <!--Col 2-->
            <ContentControl  Grid.Column="2" Grid.Row="0" Margin="10,10,10,10" Name="contentControl1" Content="{ DynamicResource LinTrans}"  ContentTemplate="{StaticResource LinTransTemplate}"/>
            <Button Grid.Column="1" Height="23"  Grid.Row="1" Margin="5,0,0,1" Name="btTransformPath" VerticalAlignment="Bottom" Click="btTransformPath_Click">Tranform Path</Button>
        </Grid>

        <Grid Name="PreviewGrid">

            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="*" />
                <ColumnDefinition Width="5" />
                <ColumnDefinition Width="*" />
            </Grid.ColumnDefinitions>

            <Grid.RowDefinitions>
                <RowDefinition Height="100"/>
                <RowDefinition Height="5"/>
                <RowDefinition Height="*"/>
            </Grid.RowDefinitions>

            <!--Col 0-->
            <Border  BorderBrush="Gray" BorderThickness="2" Grid.Row="0" Grid.Column="0">
                <ContentControl   Name="previewOriginal" VerticalAlignment="Top" />
            </Border>
            <RichTextBox  Name="txtOriginal"  Grid.Row="2" Grid.Column="0"   TextChanged="txtOriginal_TextChanged"/>
            <!--Col 1-->
            <GridSplitter Grid.Column="1"  Grid.RowSpan="3" HorizontalAlignment="Stretch"  Margin="0,0,0,0"  VerticalAlignment="Stretch"  />
            <!--Col 2-->
            <Border  BorderBrush="Gray" BorderThickness="2" Grid.Column="2" Grid.Row="0">
                <ContentControl    Name="previewTransformed" VerticalAlignment="Top" />
            </Border>
            <RichTextBox Grid.Column="2" Grid.Row ="2" Name="txtTransformed"   />

            <GridSplitter Grid.Row="1"  Grid.ColumnSpan="3" HorizontalAlignment="Stretch"  Margin="0,0,0,0"  VerticalAlignment="Stretch"  />
        </Grid>
    </DockPanel>
</Window>