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Hierchical Data Template Confusion need help

Posted By:      Posted Date: September 26, 2010    Points: 0   Category :WPF

My collection class is on disk ,  In Page.loaded  , I want to make an instance of my class then get the data from disk then bind to my class.   In the following code snippet , the line in the Resource Dictionary - <src:CatList x:Key="cat"/> seems to not only mark where my tree can find the correct data template , but it also seems to instantiate a new instance  of CatList.

I need to Bind tree to a catlist with some data in it.     Heres my template.

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

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