DictRetructuredExtr passed adaptation to WxPropertyWindowMgmt.AttrTransfert exception list inside WxWindow from class WindowsFrame, should be linked soon with a mechanism allowing to change it from class-type or a Must Configure the ImagePathDesignController, where it can be managed by WxPropertyWindowMgmt, with an algo inside WindowsFrame, to recuper specific attribute to manage this Dictionary and structure to handle restrtured text... M.Proulx may had access to some higher level of informations and try to insert it inside one o his course, but I shall stop adding more comment or I should have the rest of the engine being explained instead of following a design data structure classes.