What are the chart types to which custom templates can be applied?

Custom Templates can be applied to any type of elements such as label, lines, text blocks, series etc., in any type of chart.

The following code snippet is a sample template for area chart.

XAML

 <DataTemplate x:Key="AreaTemplate1">       <Canvas>         <Path Name="Path"  Data="{Binding Geometry}"  Fill="#65938866" Stroke="Black"/>         <Line X1="{Binding X1}"  X2="{Binding X2}"  Y1="{Binding Y1}"  Y2="{Binding Y2}"  StrokeThickness="1"  Stroke="Black"/>       </Canvas>    </DataTemplate>