title: how to delete an item from a listBox in WP8
body: <p>i have a list box view in windows phone that i want to delete an item from it upon a specified event .... how can i accomplish that 
  this is my XAML code </p>
  
  <pre><code> &lt;ListBox x:Name="lstData2"
      ItemsSource="{Binding DataCollection2, Source={StaticResource PinsCollection}}" Grid.ColumnSpan="3" Foreground="#FF1D53D0" Height="583" VerticalAlignment="Bottom"&gt;
      &lt;ListBox.ItemTemplate&gt;
          &lt;DataTemplate&gt;
              &lt;StackPanel Orientation="Horizontal" Tap="StackPanel_Tap"&gt;
                  &lt;Image Margin="8"
                      VerticalAlignment="Top"
                      Source="{Binding ImageUri}"
                      Width="100"
                      Height="100" /&gt;
                  &lt;StackPanel Height="93" Width="259" &gt;
                      &lt;TextBlock Margin="8"
                          Width="250"
  
                          TextWrapping="Wrap"
                          VerticalAlignment="Top"
                          HorizontalAlignment="Left"
                          Foreground="#FF1D53D0"
                          Text="{Binding Pinnedname}"  Height="33" RenderTransformOrigin="0.5,0.5" FontFamily="Segoe WP SemiLight" FontSize="24" FontWeight="Bold" /&gt;
                      &lt;TextBlock Width="155"
                          Margin="8,0,8,8"
                          VerticalAlignment="Top"
                          HorizontalAlignment="Left"
                          Text="{Binding Status}" Foreground="#FF1D53D0" FontFamily="Segoe WP SemiLight" /&gt;
                      &lt;toolkit:ContextMenuService.ContextMenu&gt;
                          &lt;toolkit:ContextMenu&gt;
                              &lt;toolkit:MenuItem Header="Remove Pin" Click="RemovePin_Click" Tag="{Binding pinId}"/&gt;
  
                          &lt;/toolkit:ContextMenu&gt;
                      &lt;/toolkit:ContextMenuService.ContextMenu&gt;
                  &lt;/StackPanel&gt;
              &lt;/StackPanel&gt;
          &lt;/DataTemplate&gt;
      &lt;/ListBox.ItemTemplate&gt;
  &lt;/ListBox&gt;
  </code></pre>