




rectangle-union 
left-1
 
top-1
 
right-1
 
bottom-1
                
left-2
 
top-2
 
right-2
 
bottom-2
                => 
left
, 
top
, 
right
, 
bottom
A real number.
A real number.
A real number.
A real number.
A real number.
A real number.
A real number.
A real number.
The function rectangle-union returns four values: the 
left
, 
top
, 
right
 and 
bottom
 of the union of the two rectangles specified in the arguments. The values input for the two rectangles are ordered by this function before it uses them.
CAPI User Guide and Reference Manual (Windows version) - 3 Aug 2017