title: Issue with WPF Chart inside ListBox
body: <p>I have been using DataVisualization.Charting.Chart to produce few charts. Everything works very well, until when I put the same inside a DataTemplate of a ListBox. </p>
  
  <p>Inside the ListBox, the Chart data shows up properly, but the Legends are not showing.</p>
  
  <p>I have been using Normal LineSeries chart. Here is the code : </p>
  
  <pre><code>&lt;ListBox Style="{DynamicResource listBasic}"
                           FontSize="12"
                           FontWeight="Normal"
                           ItemsSource="{Binding PsychrometricLogs}"&gt;
                      &lt;ListBox.GroupStyle&gt;
                          &lt;GroupStyle&gt;
                              &lt;GroupStyle.ContainerStyle&gt;
                                  &lt;Style TargetType="{x:Type GroupItem}"&gt;
                                      &lt;Setter Property="Template"&gt;
                                          &lt;Setter.Value&gt;
                                              &lt;ControlTemplate&gt;
                                                  &lt;Expander Header="{Binding Name}"
                                                            FontFamily="Calibri"
                                                            FontSize="18"
                                                            Foreground="{DynamicResource defForegroundBrush}"
                                                            IsExpanded="True"&gt;
                                                      &lt;ItemsPresenter /&gt;
                                                  &lt;/Expander&gt;
                                              &lt;/ControlTemplate&gt;
                                          &lt;/Setter.Value&gt;
                                      &lt;/Setter&gt;
                                  &lt;/Style&gt;
                              &lt;/GroupStyle.ContainerStyle&gt;
                          &lt;/GroupStyle&gt;
                      &lt;/ListBox.GroupStyle&gt;
                      &lt;ListBox.ItemTemplate&gt;
                          &lt;DataTemplate&gt;
  
                                  &lt;Grid&gt;
                                      &lt;Border CornerRadius="5"
                                              Margin="2,5,2,5"
                                              Opacity=".3"
                                              Background="#000000" /&gt;
                                      &lt;DockPanel&gt;
                                      &lt;chart:Chart Title="{Binding DisplayName}"
                                                   FontSize="14"
                                                   DockPanel.Dock="Top"
                                                   LegendTitle="Legends"
                                                   Margin="20,15,20,5"
                                                   Foreground="#000000"
                                                   DataContext="{Binding Logs}"&gt;
                                          &lt;chart:LineSeries Title="Temperature"
                                                            AnimationSequence="FirstToLast"
                                                            IndependentValueBinding="{Binding TimeStamp}"
                                                            DependentValueBinding="{Binding Temparature}"
                                                            ItemsSource="{Binding}" /&gt;
                                          &lt;chart:LineSeries Title="Relative Humidity"
                                                            AnimationSequence="FirstToLast"
                                                            IndependentValueBinding="{Binding TimeStamp}"
                                                            DependentValueBinding="{Binding RelativeHumidity}"
                                                            ItemsSource="{Binding}" /&gt;
                                          &lt;chart:LineSeries Title="Grains Per Pound"
                                                            AnimationSequence="FirstToLast"
                                                            IndependentValueBinding="{Binding TimeStamp}"
                                                            DependentValueBinding="{Binding GrainsPerPound}"
                                                            ItemsSource="{Binding}" /&gt;
                                          &lt;chart:LineSeries Title="Grains Depression"
                                                            AnimationSequence="FirstToLast"
                                                            IndependentValueBinding="{Binding TimeStamp}"
                                                            DependentValueBinding="{Binding GrainsDepression}"
                                                            ItemsSource="{Binding}" /&gt;
                                      &lt;/chart:Chart&gt;
                                      &lt;ListView ItemsSource="{Binding Logs}"
                                                DockPanel.Dock="Top"
                                                Margin="5,0,5,5"
                                                Padding="0"&gt;
                                          &lt;ListView.View&gt;
                                              &lt;GridView AllowsColumnReorder="True"&gt;
                                                  &lt;GridViewColumn Header="Time Stamp"
                                                                  DisplayMemberBinding="{Binding TimeStamp}" /&gt;
                                                  &lt;GridViewColumn Header="Temperature"
                                                                  DisplayMemberBinding="{Binding Temparature}" /&gt;
                                                  &lt;GridViewColumn Header="RH"
                                                                  DisplayMemberBinding="{Binding RelativeHumidity}" /&gt;
                                                  &lt;GridViewColumn Header="GPP"
                                                                  DisplayMemberBinding="{Binding GrainsPerPound}" /&gt;
                                                  &lt;GridViewColumn Header="GD"
                                                                  DisplayMemberBinding="{Binding GrainsDepression}" /&gt;
                                              &lt;/GridView&gt;
                                          &lt;/ListView.View&gt;
                                      &lt;/ListView&gt;
                                      &lt;/DockPanel&gt;    
                                  &lt;/Grid&gt;
  
                          &lt;/DataTemplate&gt;
                      &lt;/ListBox.ItemTemplate&gt;
                  &lt;/ListBox&gt;
  </code></pre>
  
  <p>You can see, I have placed one ListView and a Chart. The ListView shows data properly as well as the chart. But the Legends does not show up. </p>
  
  <p>I have already tried to put the same chart outside the ListBox and it shows up Legends correctly but not inside the DataTemplate. </p>
  
  <p>It would be helpful if somebody tell me where I am wrong in this.</p>