Changing the width of a stack

Alex Tweedly alex at
Sat Jun 27 15:48:57 EDT 2015

set the width of this stack to the width of theCenteredControl

P.S. because the central control is centered, you want to make symmetric 
changes to the left and right of the stack - and so simply setting the 
width will do that while leaving the horizontal position of it 
unchanged. Obviously, before you do that, store away the 'current' width 
so you can restore it later.

On 27/06/2015 19:55, Peter Haworth wrote:
> I have a stack with three controls on it, one at the left edge of the
> stack, one centered horizontally, and one at the right edge of the stack.
> I want to change the dimensions of the stack so that it's left edge is at
> the left of the centered control and its right edge is at the right of the
> centered control. And also change its dimensions back to the original
> settings when necessary.
> As I have a graphically challenged brain, I have been unable to figure out
> how to do this.
> References to the left of a  stack are relative to the edge of the screen
> so they move the position of the stack on the screen and don't change its
> width.
> I'm probably missing something obvious and hoping that someone will point
> it out to me.
> Pete
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