DevExpress the creator of Refactor and CodeRush two great visual studio productivity tools provide a free library called DXCore that can be used to create rich plug-ins that can extend visual studio the same way their commercial products do. Until visual studio 2010 will be widely developers can use DXCore to extend visual studio and provide integration functionality without messing around with DTE and GUIDs. In this tutorial I will explain what is needed to write your first DXCore plug-in Prerequisites...