Update PieandDoughnut.md

Author: Priyadharshini-Sf4862

wpf/Charts/SeriesTypes/PieandDoughnut.md

@@ -100,18 +100,32 @@ The small segments in the pie chart can be grouped into the “others” categor
 
 {% highlight xaml %}
 
-            <chart:PieSeries ItemsSource="{Binding Data}" XBindingPath="Country" YBindingPath="Count"
-				   GroupMode="Value" GroupTo="1000" >
-
-                <chart:PieSeries.AdornmentsInfo>
-                    <chart:ChartAdornmentInfo ShowConnectorLine="True" 
-                                              ConnectorHeight="80" 
-                                              ShowLabel="True" 
-                                              LabelTemplate="{StaticResource DataLabelTemplate}"  
-                                              SegmentLabelContent="LabelContentPath">
-                    </chart:ChartAdornmentInfo>
-                </chart:PieSeries.AdornmentsInfo>
-            </chart:PieSeries>
+    <Window.Resources>
+        <local:DataLabelTemplateConverter x:Key="DataLabelConverter"/>
+        <local:SegmentBrushConverter x:Key="BackgroundConverter"/>
+
+        <DataTemplate x:Key="DataLabelTemplate">
+            <StackPanel Orientation="Vertical" Margin="5">
+                <TextBlock Text="{Binding Converter={StaticResource DataLabelConverter}}"                          
+                           Margin="3" Foreground="White">
+                </TextBlock>
+            </StackPanel>
+        </DataTemplate>
+    </Window.Resources>
+
+    <chart:PieSeries ItemsSource="{Binding Data}" XBindingPath="Country" YBindingPath="Count"
+                     GroupMode="Value" GroupTo="1000" >
+
+        <chart:PieSeries.AdornmentsInfo>
+            <chart:ChartAdornmentInfo   ShowConnectorLine="True" 
+                                        ConnectorHeight="80" 
+                                        ShowLabel="True" 
+                                        LabelPosition="OutsideExtended"
+                                        LabelTemplate="{StaticResource DataLabelTemplate}"  
+                                        SegmentLabelContent="LabelContentPath">
+            </chart:ChartAdornmentInfo>
+        </chart:PieSeries.AdornmentsInfo>
+    </chart:PieSeries>
 
 {% endhighlight %}
 
@@ -131,6 +145,32 @@ The small segments in the pie chart can be grouped into the “others” categor
 
             pieSeries.AdornmentsInfo = adornmentInfo;
 
+
+            public class DataLabelTemplateConverter : IValueConverter
+            {
+                public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+                {
+                    if (value is ChartPieAdornment adornment)
+                    {
+                        if (adornment.Item is CountryInfo model)
+                        {
+                           // Case 1: Single data label item
+                        }
+                        else if (adornment.Item is IEnumerable<object> group)
+                        {
+                           // Case 2: Grouped items (e.g., List<CountryInfo>)
+                        }
+                    }
+
+                    return value;
+                }
+
+                public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+                {
+                    throw new NotImplementedException();
+                }
+            }
+
 {% endhighlight %}
 
 {% endtabs %}