title: how context menu opens in listbox wp7
body: <p>I have a list box in which when i long-press the particular item of the listbox, a context menu opens. But in the listbox i have not used tap or hold event of listbox so how my context menu is visible.</p>
  
  <p>Please tell which event is firing which opens my context menu; the xaml code is:</p>
  
  <pre><code>&lt;Grid x:Name="ContentPanel" Grid.Row="1" Margin="12,0,12,0"&gt;
      &lt;ListBox x:Name="scheduleListbox" ItemsSource="{Binding scheduleList}" Tap="scheduleListbox_Tap"&gt;
          &lt;ListBox.ItemTemplate&gt;
              &lt;DataTemplate&gt;
                 &lt;StackPanel Orientation="Vertical" Height="150" Width="460"&gt;
                      &lt;toolkit:ContextMenuService.ContextMenu&gt;
                          &lt;toolkit:ContextMenu &gt;
                              &lt;toolkit:MenuItem Header="Add To Calendar" Click="AddToCalendar_Click" /&gt;
                              &lt;toolkit:MenuItem Header="View Description" Click="ViewDescription_Click" /&gt;
                          &lt;/toolkit:ContextMenu&gt;
                      &lt;/toolkit:ContextMenuService.ContextMenu&gt;
                      &lt;TextBlock x:Name="textBlock1" Text="{Binding ScheduleName}" Foreground="WhiteSmoke" FontSize="32"/&gt;
                      &lt;TextBlock x:Name="textBlock2" Text="{Binding ScheduleDate}" Foreground="Red" Margin="0,10,0,0"/&gt;
                      &lt;StackPanel Orientation="Horizontal" Height="70" Width="460"&gt;
                          &lt;TextBlock x:Name="textBlock3" Text="{Binding StartTime}" Margin="0,5,0,0"/&gt;
                          &lt;TextBlock x:Name="textBlock4" Text="{Binding EndTime}" Margin="50,5,0,0"/&gt;
                      &lt;/StackPanel&gt;
                  &lt;/StackPanel&gt;
  
              &lt;/DataTemplate&gt;
          &lt;/ListBox.ItemTemplate&gt;
      &lt;/ListBox&gt;
  &lt;/Grid&gt;
  </code></pre>
  
  <p>Please tell how my context menu is open as i haven't used tap or hold event of listbox but when I long-press  the listbox item, the context menu opens?</p>