853: Mainline
As explained in Appendixmissing reference, you start to create the
GUI as follows:
- You click right > New Canvas in the transcript to create a window
for building a GUI. Such a window, in VisualWorks, is called a
canvas.
- You install two button widgets by clicking the appropriate box in the
pallet found to the left of the canvas, and then clicking on the
appropriate place in the canvas.
- You install a view-holder widget by clicking the appropriate box in the
pallet, and then clicking on the appropriate place in the canvas.
- You size and align all three widgets.