dlAddBox

dlAddBox(
w_dlist 
x_penNumber 
l_point1 
l_point2 
[ s_tagSymbol ]
) 
=> t / nil

Adds a box to the display list.

w_dlist	Display list to add to.
x_penNumber	Pen number to use.
l_point1 and l_point2	Any two opposite corners of the box.
s_tagSymbol	Symbol to tag this object with.

`t`	Operation successful.
`nil`	Operation failed.