[AccessD] need ideas

Sorry 'bout that. Yesterday was one of those days of interruptions. I'm sure
I typed that at one point but I must have deleted it while typing and
talking at the same time.

Thanks for the update I'll give it a try.

JB "I don't even try chewing gum - I walk too much"

>  -----Original Message-----
> From: 	accessd-admin at databaseadvisors.com
> [mailto:accessd-admin at databaseadvisors.com] 
> Sent:	Wednesday, February 19, 2003 7:52 AM
> To:	accessd at databaseadvisors.com
> Subject:	RE: [AccessD] need ideas
> 
> >because other items on the form can cause the option group to change
> values.
> 
> Lol. Giving us the complete situation would help.
> 
> You can call the click sub in the class instance for the appropriate group
> to cause it to run the code for that group that toggles the label back
> color.
> 
>     ldclsYesNoGrp2.mfra_Click
> 
> Or, simply add a method to the class where you set the value of the group
> and call the click event.  In the class (at the bottom) add:
> 
> '.Comments  :
> '.Parameters:
> '.Sets      :
> '.Returns   :
> '.Created by: John W. Colby
> '.Created   : 2/19/2003 8:41:45 AM
> Function SetGrpVal(lngVal As Long)
> On Error GoTo Err_SetGrpVal
>     mfra.Value = lngVal
>     mfra_Click
> Exit_SetGrpVal:
> Exit Function
> Err_SetGrpVal:
>     Select Case Err
>     Case 0      '.insert Errors you wish to ignore here
>         Resume Next
>     Case Else   '.All other errors will trap
>         Beep
>         MsgBox Err.Description, , "Error in Function
> dclsYesNoGrp.SetGrpVal"
>         Resume Exit_SetGrpVal
>     End Select
>     Resume 0    '.FOR TROUBLESHOOTING
> End Function
> 
> Then, to demo the usage, in the form (in my demo database) in the OnOpen
> event add:
> 
>     ldclsYesNoGrp2.SetGrpVal 2
> 
> Notice that now as the form opens, the initialization is done, then one of
> the groups is told to set it's value to 2.  Since the class knows how to
> do this and toggle the back colors as well - problem solved.
> 
> Use  ldclsYesNoGrpX.SetGrpVal Y wherever you need to set the group via
> code - where X = the group class instance, and Y = the value to set it to.
> 
> BTW, in case anyone is wondering, the overhead for classes is pretty
> minimal.  My classes have a LOT more stuff that they do to set up and tear
> down.  Yet the incremental memory use for my classes averages about 450
> bytes / class instance.  In addition, on the machine I was testing with at
> that time (most likely my old dual PII 233), the speed cost was ~.5ms /
> class instance loaded.  I was testing with a form that was loading 100
> class instances.  The time to load the classes was ~50 ms.
> 
> The thing to understand about classes is that as the first class opens,
> all of it's code loads into memory.  Each additional instance of the class
> only uses memory for it's class global variables (in the header).  Thus it
> isn't like you are having to load the entire thing again and again.
> 
> John W. Colby
> Colby Consulting
> www.ColbyConsulting.com
> 
>  -----Original Message-----
> From: 	accessd-admin at databaseadvisors.com
> [mailto:accessd-admin at databaseadvisors.com] 
> Sent:	Tuesday, February 18, 2003 11:14 PM
> To:	accessd at databaseadvisors.com
> Subject:	RE: [AccessD] need ideas
> 
> John & Lambert,
> 
> I think I'm starting to understand using classes. Although in this case I
> may still have to use a sub because other items on the form can cause the
> option group to change values. I've tried AfterUpdate and that doesn't
> cause a color change when the option group is changed via code and the
> OnChange event is not available for the option group.
> 
> Thanks a bunch for your help!
> JB
> 
> 
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