Drag and drop interfaces can be a beautiful thing, but they're most effective when in a split-screen environment with the flowchart on one side and the code it

Drag and drop interfaces can be a beautiful thing, but they're most effective when in a split-screen environment with the flowchart on one side and the code it compiles into previewed on the other side. The script being visible as the diagrammatic design changes lets the coder see what's going on behind the scenes, and lets him understand the structure so that he can tweak it in the next stage to do the many things that the GUI designer didn't anticipate.