<UserControl
    x:Class="VirtualCanvasTestCode.VariableView"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<Grid>
<Grid.ColumnDefinitions>
          <ColumnDefinition Width="100"/>
          <ColumnDefinition Width="30"/>
          <ColumnDefinition Width="30"/>
          <ColumnDefinition/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
          <RowDefinition />
</Grid.RowDefinitions>
</Grid>
</UserControl>