<Window
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:local="clr-namespace:ScratchControl" x:Class="ScratchControl.MainWindow"
    Loaded="Window_Loaded"
    FontSize="12"
        Title="MainWindow" Height="350" Width="525">
    <Canvas Background="White" Name="Editor">

        <local:NumberExpressionControl x:Name="NbExp" Canvas.Top="20" Canvas.Left="20"/>
        <local:BooleanExpressionControl x:Name="BnExp" Canvas.Left="75" Canvas.Top="109"/>
        <Button Content="Button" Canvas.Left="187" Canvas.Top="57" Width="75" Click="Button_Click"/>

    </Canvas>
</Window>
