Left (top) widget. Can be added at time of
construction, or the add method can be used to add the child
widgets one at a time.
widget2
Right (bottom) widget
horizontal
Left/right (TRUE) or top/bottom
container
Optional container to attach widget to
...
Passed to add method of container
toolkit
Which GUI toolkit to use
Details
The add method can be used to one child at a time.
The svalue method returns the sash position with a value
between 0 and 1.
The svalue<- method can be used to specify the sash position
with a value between 0 and 1.