Drag and Drop Item Outside WPF Applicationhttp://developers.de/blogs/bahro/archive/2014/05/04/drag-and-drop-item-outside-wpf-application.aspxIn WFP applications drag and drop functionality is provided by subscribing several events. First of all you need LeftMouseButtonClick and MouseMove events in order to start Drag and Drop. This is accomplished by the following code: private void Window_MouseLeftButtonDownenCommunityServer 2008 SP1 (Build: 30619.63)