I did something like this once upon a time. You might look at

	http://www.charm.net/~arning/Comparison.18Aug114pm.cs

for some ideas.

Cheers,
Bob

On 10 Sep 2003 20:57:03 +0200 Martin Drautzburg <martin.drautzburg at web.de> wrote:
>How can I construct a "divider morph" that splits a SystemWindow
>vertically or horizintally (or what is left of it).
>
>I am aware of the LayoutFrame thing. The problems I have with that
>are: 
>
>(1) I cannot chose the appearence of the divider
>(2) When I move a border only Morphs that touch the border are
>    resized. If I have a couple of Morphs to the left and a couple to
>    the right of the divider I want to resize them *all*
>
>M1|
>M2|M5
>M3|
>M4|M6
>
>When I move the bottom border between M4 and M6 only M4 and M6 (and
>possibly M3) get resized.
>
>I tried to overcome (2) by adding a Morph that goes from top to bottom
>and give it a layout frame. That does resize all Morph to the left
>*or* to the right but the divider itself gets resized too.