title: Set window.owner from Process.GetCurrentProcess().MainWindowHandle
body: <p>I am in a Win Form application, somewhere in a document I need to call this dialog written in wpf and I want to set the window.owner.  The only thing close I found to get the main window of my application is the following.</p>
  
  <p>I want to set the Window.Owner with a Process.GetCurrentProcess().MainWindowHandle, but have no idea how to cast the window handle into a window.</p>