how to change graphic highlight color on feature layer?

[yihuilai]

hello,
i was using feature layer with Editor widgets,
when i click graphic on the feature layer,
there's yellow highlight on it...

how can i get the Mouse Click or Mouse Down event and assign another highlight color?
thanks

i've find the answer throught this article http://forums.arcgis.com/threads/15458-Problem-Selecting-Point-Features?highlight=selectionColor