Hah, and that is my biggest complaint about real visual programming languages, like LabView. They are fine for writing simple software from scratch, and the dat

Hah, and that is my biggest complaint about real visual programming languages, like LabView. They are fine for writing simple software from scratch, and the dataflow aspects have some neat features like trivial parallelization. But man are they a pain to maintain software in. You either spend massive amounts of time rearranging blocks, and rerouting wires, or your code becomes visual spaghetti.