BTW: is there ANY kind of source/development docu, the ideas behind what you put down there in the real bottom layers of U++, Core, Controls, i mean the "ideas behind the scene", like what is Heap class for.. ###>BTW: is there ANY kind of source/development docu, the ideas behind what you put down there in the real bottom layers of U++, Core, Controls, i mean the "ideas behind the scene", like what is Heap class for..