title: WPF Context menu on left click
body: <p>I have a WPF application..In which I have an Image control in Xaml file.</p>
  
  <p>On right click of this image I have a context menu. </p>
  
  <p>I would like to have same to be displayed on "Left click" also.</p>
  
  <p>How do I do this in MVVM way ?</p>