title: How to create a collapsible panel in WPF
body: <p>I am creating a Windows application (WPF) and C#. In my view, I have to add few layouts like browsing a folder, displaying the files in the folder in a list view...etc</p>
  
  <p>My requirement is :
  The panels mentioned above should be collapsible panels, I guess, we dont have option of collapsible panel in wpf. </p>
  
  <p>I have to create a custom control for this? If so, Please suggest me how to do this?</p>