title: WP7 Pushpin tooltip/bubble
body: <p>I am porting an iPhone app to WP7 which contains a map with several markers/pushpins that I get from a webservice (location, icon and title).</p>
  
  <p>I have setup the XAML required to display the map as well as some code for the pushpin:</p>
  
  <pre><code>&lt;phone:PhoneApplicationPage.Resources&gt;
      &lt;ControlTemplate x:Key="customPushpin" TargetType="my:Pushpin"&gt;
          &lt;Image Height="39" Source="Resources/Icons/Pushpins/pinGreen.png" Stretch="Fill" Width="32"/&gt;
      &lt;/ControlTemplate&gt;
  &lt;/phone:PhoneApplicationPage.Resources&gt;
  
  &lt;Grid x:Name="LayoutRoot" Background="Transparent"&gt;
      &lt;my:Map Height="Auto" HorizontalAlignment="Stretch" Margin="0" x:Name="Map"
              VerticalAlignment="Stretch" Width="Auto" CredentialsProvider="{Binding CredentialsProvider}" 
              CopyrightVisibility="Collapsed" LogoVisibility="Collapsed" Center="{Binding Mode=TwoWay, Path=Center}" 
              ZoomBarVisibility="Visible" 
              ZoomLevel="{Binding Zoom, Mode=TwoWay}"&gt;
          &lt;my:MapItemsControl ItemsSource="{Binding Pushpins}"&gt;
              &lt;my:MapItemsControl.ItemTemplate&gt;
                  &lt;DataTemplate&gt;
                      &lt;my:Pushpin MouseLeftButtonUp="Pushpin_MouseLeftButtonUp" 
                                  Location="{Binding Location}" 
                                  Template="{StaticResource customPushpin}"&gt;                           
                      &lt;/my:Pushpin&gt;
                  &lt;/DataTemplate&gt;
              &lt;/my:MapItemsControl.ItemTemplate&gt;
          &lt;/my:MapItemsControl&gt;
      &lt;/my:Map&gt;        
  &lt;/Grid&gt;
  </code></pre>
  
  <p>I am looking for a way to add some sort of bubble when the user clicks on the pushpin. I have looked a bit into infoboxes/tooltips but since they work on hover, that's not something I can use for the phone (tap/click).</p>
  
  <p>I am guessing there's no similar control in WP7 that creates a bubble - how could I go about creating something similar?</p>
  
  <p>Thanks in advance,</p>
  
  <p>Alex</p>