Selected polygon animated border - custom symbol

Question

Hi,
I am trying to create a custom symbol for polygon where the border of the polygon will be similar to the animated line symbol in this example 
[HTML]http://help.arcgis.com/en/webapi/silverlight/samples/start.htm#CustomSymbols[/HTML]

I am unsuccessful till now. Did anyone has already done this or can someone give me a clue on how to do this?

IgressT · Answer

thanks it works.

DominiqueBroux · Answer

I am trying to create a custom symbol for polygon where the border of the polygon will be similar to the animated line symbol in this example Looks working just by replacing LineSymbol by FillSymbol: