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Text selection in textbox on mouse over

Posted By:      Posted Date: September 22, 2010    Points: 0   Category :WPF

I am having a Textbox and want to selcted text with perticular format on mouse over.

So if my text in textbox is "This person <<PersonName>> has a good experience of <<Year>> in <<Technology>>". Now if I put my mouse over <<PersonName>> or <<Year>> or <<Technology>>, only this text (<<PersonName>>, etc) should be highlighted. 

How can I start implementing this as I know Textbox in WPF/Silverlight doesn't provide this behavior.

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