How I create a list of images with checkbox in the top right corner

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XAML

WPF

Hi guys, please how i could implement this functionality , i have to use a listbox or CheckedListBox or other control. Please any help will be welcome

http://i.stack.imgur.com/JFFR7.png[^]

<Border x:Name="border" BorderThickness="1" BorderBrush="Red">
                          <Grid>
                              <Grid.ColumnDefinitions>
                                  <ColumnDefinition Width="*"/>
                                  <ColumnDefinition Width="Auto"/>
                              </Grid.ColumnDefinitions>
                              <ContentPresenter Grid.Column="0" RecognizesAccessKey="True"
                                                HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                                VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
                                                Margin="{TemplateBinding Padding}"
                                                SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                              <!-- Marca en la esquina superior derecha -->
                              <Polygon x:Name="checkPoly" Points="0,0 24,24 24,0 0,0" Stroke="Purple" StrokeThickness="0" Width="24" Height="24"
                                       VerticalAlignment="Top" HorizontalAlignment="Right" Fill="#22aeff" />
                              <Path Stroke="White" Data="M 6,6 L 9, 9 L 14,2" StrokeThickness="2" Margin="0,1,2,0"
                                    VerticalAlignment="Top" HorizontalAlignment="Right" />
                          </Grid>
                      </Border>

What I have tried:

<Border x:Name="border" BorderThickness="1" BorderBrush="Red">
                          <Grid>
                              <Grid.ColumnDefinitions>
                                  <ColumnDefinition Width="*"/>
                                  <ColumnDefinition Width="Auto"/>
                              </Grid.ColumnDefinitions>
                              <ContentPresenter Grid.Column="0" RecognizesAccessKey="True"
                                                HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                                VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
                                                Margin="{TemplateBinding Padding}"
                                                SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                              <!-- Marca en la esquina superior derecha -->
                              <Polygon x:Name="checkPoly" Points="0,0 24,24 24,0 0,0" Stroke="Purple" StrokeThickness="0" Width="24" Height="24"
                                       VerticalAlignment="Top" HorizontalAlignment="Right" Fill="#22aeff" />
                              <Path Stroke="White" Data="M 6,6 L 9, 9 L 14,2" StrokeThickness="2" Margin="0,1,2,0"
                                    VerticalAlignment="Top" HorizontalAlignment="Right" />
                          </Grid>
                      </Border>