Binding не работает о_О - C# WPF - Ответ 3252494

<UserControl x:Class="DSPGraph.UserControl1"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             mc:Ignorable="d" 
             d:DesignHeight="300" d:DesignWidth="300" x:Name="MainControl">
    <Grid ShowGridLines="True" Name="MainGrid">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="*"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="Auto"/>
            <ColumnDefinition Width="Auto"/>
            <ColumnDefinition Width="*"/> 
            <ColumnDefinition Width="Auto"/>            
        </Grid.ColumnDefinitions>
        <!--TITLE-->
        <TextBlock Name="TitleTB" Grid.Column="0" Grid.Row="0" Grid.ColumnSpan="4" Text="Title" VerticalAlignment="Center" HorizontalAlignment="Center"
                   Margin="5,5,5,5"/>  
        <!--VERTICAL AXIS TITLE-->
        <TextBlock Name="VerticalAxisTitleTB" Grid.RowSpan="3" Grid.Row="1" Grid.Column="0" Text="VerticalAxisTitle" VerticalAlignment="Center" HorizontalAlignment="Center"
                   Margin="5,5,5,5">
            <TextBlock.LayoutTransform>
                <RotateTransform Angle="-90"/>
            </TextBlock.LayoutTransform>
        </TextBlock>
        <!--HORIZONTAL AXIS TITLE-->
        <TextBlock Name="HorizontalAxisTitleTB" Grid.Row="3" Grid.ColumnSpan="3" Text="VerticalAxisTitle" VerticalAlignment="Center" HorizontalAlignment="Center"
                   Margin="5,5,5,5">           
        </TextBlock>
        <!--MAIN CANVAS (GRAPH AREA)-->
        <Border Name="CanvasBorder"  Grid.Row="1" Grid.RowSpan="2" Grid.Column="1" Grid.ColumnSpan="2" ClipToBounds="True">
            <Canvas Name="MainCanvas" ClipToBounds="True">
                <Canvas.RenderTransform>
                    <TransformGroup>
                        <ScaleTransform ScaleY="-1"/>     
                        <TranslateTransform Y="{Binding ElementName=MainCanvas, Path=ActualHeight}"/> 
                        <TranslateTransform X="{Binding UserTranslateTransformX, ElementName=MainControl}"/>
                        <TranslateTransform Y="{Binding UserTranslateTransformY, ElementName=MainControl}"/>
                    </TransformGroup>
                </Canvas.RenderTransform>
                <Line X1="0" X2="100" Y1="0" Y2="200" Stroke="Black" StrokeThickness="2"/>
            </Canvas>
        </Border>
    </Grid>
</UserControl>

<Window x:Class="DSPGraph_TestApplication.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:test="clr-namespace:DSPGraph;assembly=DSPGraph"
        Title="MainWindow">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="*"/>
            <RowDefinition Height="auto"/>
            <RowDefinition Height="auto"/>
            <RowDefinition Height="auto"/>
            <RowDefinition Height="auto"/>
            <RowDefinition Height="auto"/>
            <RowDefinition Height="auto"/>
            <RowDefinition Height="auto"/>
            <RowDefinition Height="auto"/>
            <RowDefinition Height="auto"/>
        </Grid.RowDefinitions>
        <test:UserControl1 Name="DSPGraph"/>
        <Button Name="TitleOffButton" Grid.Row="1" Content="Title: off" Click="TitleOffButton_Click" />
        <Button Name="TitleOnButton" Grid.Row="2" Content="Title: on" Click="TitleOnButton_Click" />
        <StackPanel Name="TitleSP" Grid.Row="3" Height="28" VerticalAlignment="Top" Orientation="Horizontal">
            <TextBox Width="300" Name="NewTitle"/>
            <Button Name="GetNewTitle" Content="Set new title" Click="GetNewTitle_Click" />
        </StackPanel>
        <StackPanel Grid.Row="5" Orientation="Horizontal">
            <Button Name="VAToff" Content="VAT off" Click="VAToff_Click"/>
            <Button Name="VATon" Content="VAT on" Click="VATon_Click"/>
        </StackPanel>
        <StackPanel Name="VerticalAxisTitleSP" Grid.Row="4" VerticalAlignment="Top" Orientation="Horizontal">
            <TextBox Width="300" Name="VANewTitle"/>
            <Button Name="VAGetNewTitle" Content="Set new title" Click="VAGetNewTitle_Click" />
        </StackPanel>
        <StackPanel Grid.Row="6" Orientation="Horizontal">
            <Button Name="HAToff" Content="HAT off" Click="HAToff_Click"/>
            <Button Name="HATon" Content="HAT on" Click="HATon_Click"/>
        </StackPanel>
        <StackPanel Name="VHorizontalAxisTitleSP" Grid.Row="7" Orientation="Horizontal">
            <TextBox Width="300" Name="HANewTitle"/>
            <Button Name="HAGetNewTitle" Content="Set H new title" Click="HAGetNewTitle_Click" />
        </StackPanel>
        <StackPanel Name="UserTranslateTransformSP" Grid.Row="8" Orientation="Horizontal">
            <TextBox Width="300" Name="UserTranslateTransformTB"/>
            <Button Name="UserTranslateTransformB" Content="Set new user translate transform" Click="UserTranslateTransformB_Click" />
            <TextBlock Text="{Binding ElementName=MainCanvas, Path=ActualHeight}"/>
        </StackPanel> 
    </Grid>
</Window>