On Wed, 19 Jul 2000, Khanh Tran wrote:
> Hello,
> 
> Is there any way to "dim out" an already disabled button?  I want to
> enable/disable this button dynamically, I didn't want to remove it totally
> from the form for consistency reason.  But a disabled button looks just like
> an enabled one, which could cause some confusion.
> 
> TIA,
> Khanh.

The Palm style guide specifically tells you not to do this.  What is
consistent from the programmer's POV is not necessarily consistent from
the User' POV.

A greyed out button causes confusion.  If it's not available, it should
not be displayed.  There's really no reason to have a greyed out button
there.  As long as your UI is simple, consistency should not really be a
problem.  

Don't confuse your users just because you're used to something working
like Windows.  Windows has a bad UI too, and there's a reason WinCE is
failing (they tried to carry the UI over to a handheld).  Don't make the
same mistake.

-- 
Brian Mathis
Direct Edge
http://www.directedge.com


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