jwcolby
jwcolby at colbyconsulting.com
Tue Jun 21 07:20:10 CDT 2011
I definitely agree that they are a learning curve, however what a difference in what can be done once you understand them. John W. Colby www.ColbyConsulting.com On 6/21/2011 1:08 AM, Charlotte Foust wrote: > Agreed, John. But you have to work at understanding classes in order to use > them properly, and MS provided all these sloppy "shortcuts" .... > > Charlotte Foust > > On Mon, Jun 20, 2011 at 6:14 PM, jwcolby<jwcolby at colbyconsulting.com>wrote: > >> I would argue it isn't difficult to use classes, such as they are. You can >> still do many useful things with them. >> >> Like a message class to send messages around an application. ;) >> >> >> >> John W. Colby >> www.ColbyConsulting.com >> >> >> >> On 6/20/2011 8:23 PM, Charlotte Foust wrote: >> >>> In vb.net >>> >>> , this is the standard and expected way of doing things. It allows >>> the various pieces to be black boxes that do something when they receive a >>> signal. If you need another black box to do something on the same signal, >>> you sink the same event in the second black box. You don't have to change >>> the code that raises the event. It just raises it hand and waves, and any >>> black boxes that are listening do their thing. If there are no listeners, >>> the hand gets some exercise but nothing else results. Access (thank you >>> Microsoft) lets us be sloppy and not learn to use classes effectively. In >>> fact, it makes it relatively difficult to use classes except for the built >>> in object classes, and even those hide much of their inner workings. >>> >>> Charlotte Foust >>> >>> On Mon, Jun 20, 2011 at 2:38 PM, Stuart McLachlan<stuart at lexacorp.com.** >>> pg<stuart at lexacorp.com.pg>>wrote: >>> >>> So instead of having all of your code encapsulated in one place (the >>>> list_modified event), you >>>> have it scattered all over your apllication? Sounds like a maintenance >>>> nightmare to me. >>>> >>>> -- >>>> Stuart >>>> >>>> On 20 Jun 2011 at 14:55, jwcolby wrote: >>>> >>>> In my case, each and every recipient needs to do something different >>>>> but similar. Requery something. A pair of lists in one form, a >>>>> different combo in each of two other forms. The sender just says "I >>>>> modified the list of cities". The recipients says "OK, I need to do >>>>> this thing when the list of cities changes" and then does that thing. >>>>> >>>>> >>>>> >>>>> John W. Colby >>>>> www.ColbyConsulting.com >>>>> >>>>> >>>>> >>>> >>>> >>>>> On 6/20/2011 11:06 AM, Dan Waters wrote: >>>>> >>>>>> Hi John, >>>>>> >>>>> > For a separate form, first determine if the form is open: >>>>> -- >>>>> AccessD mailing list >>>>> AccessD at databaseadvisors.com >>>>> http://databaseadvisors.com/**mailman/listinfo/accessd<http://databaseadvisors.com/mailman/listinfo/accessd> >>>>> >>>>> >>>>> >>>> >>>> Website: http://www.databaseadvisors.**com<http://www.databaseadvisors.com> >>>>> >>>>> >>>>> >>>> >>>> >>>>> >>>> >>>> >>>> -- >>>> AccessD mailing list >>>> AccessD at databaseadvisors.com >>>> http://databaseadvisors.com/**mailman/listinfo/accessd<http://databaseadvisors.com/mailman/listinfo/accessd> >>>> >>>> >>>> >>>> >>>> Website: http://www.databaseadvisors.**com<http://www.databaseadvisors.com> >>>> >>>> >>>> >>>> >>>> >>>> -- >> AccessD mailing list >> AccessD at databaseadvisors.com >> http://databaseadvisors.com/**mailman/listinfo/accessd<http://databaseadvisors.com/mailman/listinfo/accessd> >> >> >> Website: http://www.databaseadvisors.**com<http://www.databaseadvisors.com> >> >> >>