<Page
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:sys="clr-namespace:System;assembly=mscorlib"
        Title="ResourceSample" >
        <Page.Resources>
          <BoolToStarLengthConverter x:Key="BoolToStarLengthConverter" />
        </Page.Resources>
        <Grid >
          <Grid>
            <Grid.ColumnDefinitions>
              <ColumnDefinition Width="1*"></ColumnDefinition>
              <ColumnDefinition Width="{Binding ElementName=HideColumn, Path=IsChecked, Converter={StaticResource BoolToStarLengthConverter}}"></ColumnDefinition>
            </Grid.ColumnDefinitions>
            <Button Grid.Column="0" Background="Blue">Button 1</Button>
            <Button Grid.Column="1" Background="Red">Button 1</Button>
          </Grid>
          <Button Content="Right-click me!" x:Name="Button" VerticalAlignment="Center" HorizontalAlignment="Center" Background="Green">
                  <Button.ContextMenu>
                      <ContextMenu>
                          <MenuItem >
                            <CheckBox x:Name="HideColumn" IsChecked="True">Hide column</CheckBox>
                          </MenuItem>
                      </ContextMenu>
                  </Button.ContextMenu>
              </Button>            
        </Grid>
</Page>