Author: MB Software Solutions, LLC
Posted: 2012-06-20 at 17:16:21
On 6/20/2012 5:57 PM, Kurt Wendt wrote:
> Why you'd use @SAY/GET in VFP7??? I didn't use it! Its an old, OLD
> system - starting way back as Foxbase+ or FP for DOS. I didn't build it
> - I only support it - and add new features. Many times - if it's a
> completely new screen - I will actually make it graphical as a Form.
>
> The idea of using " FOR EACH oObject in thisform.Controls " sounds
> exactly what I was looking for. Any place you can point me to in the
> Help files for more specific details? As I've definitely not ever done
> that particular type of code before...
>
> Thanks again,
> Kurt
Check out the FOR EACH in VFP Help. It's in there. Likewise, you
should consider putting something in the Init of your classes used in
the form so that you're only registering the controls that you really
want to scan/check/work-with. That avoids you cycling through tons of
controls for no reason at all. There's a pattern name for that but it
escapes me at the moment.
For example, in your txtKurt.Init class method, you'd have the following
code:
if this.lRegister then
thisform.AddToCollectionToCheck(this)
endif
And of course that means you'd have a custom property called lRegister
that you set to .T. if you cared about that object on the screen being
included in your check/work-with-it routine. Then in your frmKurt form
class, you'd have a custom method called AddToCollection that received
the object as a parameter and added it to the form's collection (using
some custom property like oControlsToCheck that was a collection object).
Then when you needed to work with those controls that you really cared
about, you could cycle through that collection. example: FOR EACH
oObject in thisform.oMyControls
This is all out of my head, but I think it should work.
(And yes, I still prefer the old Hungarian notation for form property
names. Insert mockery here! lol)
--
Mike Babcock, MCP
MB Software Solutions, LLC
President, Chief Software Architect
http://mbsoftwaresolutions.com
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