The following content from Gui Chen Gang, I used to do online learning notes, I hope that the eclipse plug-in Eclipse's kernel is small, other functions are based on this kernel, such as the Unit, Ant, CVS with Eclipse Wait. And Eclipse has opened its own plug-in mechanism, and provides a good plug-in development environment that allows users to develop Eclipse's plugins, and other UMLs for JSP Lomboz, Similar vb generated SWT & JFACE & RCP SWTDesigner common plug-in Plugin.xml Add Perspective (Perspectives) Extended: ORG.ECLIPSE.UI.PERSPECTIVES Do you want to write when you do RCP, otherwise the view can not display the