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How to call to class by clicking button?

Posted By:      Posted Date: September 06, 2010    Points: 0   Category :WPF
 
Hi. I add new class  to my project via "add --new item--class" now i wont to call added class by clicking button. how i do that? for example there is button click   private void button5_Click(object sender, RoutedEventArgs e) {   }


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