When you need more room on the block diagram or front panel, you can control-drag a rectangle and white space is inserted.
http://zone.ni.com/reference/en-XX/help/371361E-01/lvhowto/adding_working_space/
While that is a really useful feature, it tends to create bent wires and insert unwanted whitespace. More than 90% of the time, what I really want is inserting horizontal space or vertical space.
In the two pictures below, I'm control-click dragging to create more space on the right hand side of my for loop. Before I do this, my 'y' control and '3' constant are nicely aligned, but after control-click-drag, unwanted white space has been inserted. This problem gets really yucky in large, especially ones that are longer than one screen side, but nicely aligned vertically.
I propose that in addition to Control-drag creating rectangular white space in a block diagram, Control-Shift-drag would create only horizontal or vertical white space, essentially locking the rectangle to either zero height or zero width. As it stands, it's a pretty manual and tedious process to move the mouse pixel-by-pixel until I see the dashed lines disappear.
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