VS2012删除选项卡菜单中的"关闭所有文档"
delete the "close all documents" item of tab menu in vs2012
Tools -> Customize -> Commands -> Context menu -> Other Context Menus | Easy MDI Document Window
delete the "close all documents" item of tab menu in vs2012
Tools -> Customize -> Commands -> Context menu -> Other Context Menus | Easy MDI Document Window