Simple way of showing Msgbox and Dialogs in WPF MVVM

I know that MVVM purists say that you should not use messageboxes and Dialogs in a MVVM application , however as a business developer you must sometimes blok the GUI to let the user pick an item or confirm there actions . After some discussions in the comunity i decided to show y

 
 
 
 
 
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3/26/2011
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VB.NET
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <PropertyGroup>
    <ProjectView>ShowAllFiles</ProjectView>
  </PropertyGroup>
</Project>