_name backStep cancel click doContextAction doubleClick draw drawAngleText drawAngleText gatherShapes getName getSelectedIDs getShape initialize initializeWithSelection isDrawingCommand isFloatingCommand longPress MgCommand MgCommand mouseHover release touchBegan touchEnded touchMoved twoFingersMove ~MgCommand

MgCommand() [1/2] MgCommand::MgCommand ( const char *  name ) 构造函数，名称最长为30个字符