c# - How to set a default color to the Pie slices in WPF Pie chart -

i using wpf pie chart labels using article zag studio.this chart refreshes new values every 1 min. works fine, why color of pie slices changes every refresh? there possible way set default color.the pie chart displaying has 2 slices.

what have tried,

 <customcontrols:labeledpiechart>   <customcontrols:labeledpiechart.palette>    <dv:resourcedictionarycollection>    <resourcedictionary>                                                     <style targettype="dvc:piedatapoint">      <setter property="background" value="green"/>      </style>     <style targettype="dvc:piedatapoint">    <setter property="background" value="purple"/>     </style>   </resourcedictionary>   </dv:resourcedictionarycollection>  </customcontrols:labeledpiechart.palette>  </customcontrols:labeledpiechart>  

this above snippet returns exception

'set property 'system.windows.resourcedictionary.deferrablecontent' threw exception.

any body help? thanks.

i have solved issue myself of post

here solution

  <!--to set pie slice color-->   <solidcolorbrush x:key="color1" color="maroon" />   <solidcolorbrush x:key="color2" color="darkblue" />    <!--pie palette-->   <customcontrols:labeledpiechart.palette>     <dv:resourcedictionarycollection>       <resourcedictionary>         <style x:key="datapointstyle" targettype="control" >           <setter property="background" value="{staticresource color1}"/>         </style>       </resourcedictionary>       <resourcedictionary>         <style x:key="datapointstyle" targettype="control" >           <setter property="background" value="{staticresource color2}"/>         </style>       </resourcedictionary>     </dv:resourcedictionarycollection>   </customcontrols:labeledpiechart.palette>