Ok, I just ran into a show stopper with the GUI designer... pressing f1 for the HTML help page, while bringing up the help page, crashes modeler. 2018.0.7, Windows 10 Pro 1803 (build 17134.590). Perhaps the help function needs to move to it's own button, because lightwave uses the f1 key for it's help function...

Also, I had an idea - when a new control is added, could it read the location of the x and y guides for placement? That way, it becomes move guides, add control, repeat as needed. Perhaps as an option? Ideally it should all be drag and drop (like QT Designer, Visual Studio and #Develop's forms designer), but such may not be possible under LW_Python....