for you, my Hall of Frame
有关windows phone使用toolkit的expanderview的设置和修改,在generic文件里面设置有关
<Line x:Name="Line" Grid.Row="0" Grid.Column="1" Grid.RowSpan="3" HorizontalAlignment="Left" Stroke="DarkBlue" StrokeThickness="3" X1="0" Y1="0" X2="0" Y2="1" Stretch="Fill"/>
Line的属性就可以了