Thanks, Steve. The example was very helpful. It does produce some
unusual behavior, though.Example 1:Select Green with the mouse. Select
Blue with the mouse.Result: Blue is not selected, and now Red has focus
(not blueShade).Example 2:Select Green using the arrow keys. Select Blue
with the arrow keys.Result: Blue is selected, but Red has focus (not
blueShade).I understand why that is happening--the user exits Green,
which sets the focus to Red (although I'm less clear as to why, in the
first exa...