A spring will separate the children packed in the box container prior to the spring be added and those being added, pushing the two as far apart as the allocated space will allow.
Add spring to GContainer class
Inserts a specific amount of space between the previously packed child and next one.
Add space to GContainer class
addSpring(obj)# S3 method for GContainer
addSpring(obj)
addSpace(obj, value)
# S3 method for GContainer
addSpace(obj, value)
GContainer object
space in pixels to add