title: Changing border color when a control is selected with c# on windows 8 app store
body: <p>I have a gridview control with images and text with this xaml:</p>
  
  <pre><code>&lt;Grid Grid.Column="1" Margin="0,40,30,0" &gt;
       &lt;GridView x:Name="celebGridView" Margin="0,0,0,0" Padding="0,0,0,0"&gt;
               &lt;GridView.ItemsPanel&gt;
                   &lt;ItemsPanelTemplate&gt;
                       &lt;WrapGrid Orientation="Horizontal" MaximumRowsOrColumns="3"/&gt;
                   &lt;/ItemsPanelTemplate&gt;
                 &lt;/GridView.ItemsPanel&gt;
  
                 &lt;GridView.Header&gt;
                     &lt;StackPanel Width="480" Margin="0,4,14,0"&gt;
                         &lt;StackPanel Orientation="Horizontal" Margin="0,0,0,10"&gt;
                            &lt;TextBlock Text="Most Viewed Celebs" Foreground="black"                                       FontSize="25"/&gt;
                             &lt;Image Source="/images/Navigation-Right.png"  Margin="10,0,0,0"/&gt;
                           &lt;/StackPanel&gt;
  
                      &lt;/StackPanel&gt;
                    &lt;/GridView.Header&gt;
  
                     &lt;GridView.ItemTemplate&gt;
                                  &lt;DataTemplate&gt;
                                      &lt;StackPanel&gt;
                                          &lt;Image Source="{Binding ImageBitmap}" /&gt;
                                          &lt;TextBlock HorizontalAlignment="Center" Text="{Binding Name_}" Foreground="Black"/&gt;
                                      &lt;/StackPanel&gt;
                                  &lt;/DataTemplate&gt;
                              &lt;/GridView.ItemTemplate&gt;
                          &lt;/GridView&gt;
                      &lt;/Grid&gt;
  </code></pre>
  
  <p>and i get this purple border around the selected items in the gridview below</p>
  
  <p><img src="https://i.stack.imgur.com/iNPLC.png" alt="selected purple border color around image"></p>
  
  <p>How can i override this behaviour, i need to change the color to a custom color (#fdeb01).</p>