Grigore,

Warning, this concept can be rather mind bending. But if you choose to

continue, you do so at your own risk.....

Consider this. If you click on a button on a form, is that the same as

calling the forms click method?

If you turn on event tracking, you will see that not only does the click

event fire, but also the mouse enter, mouse over, mouse move, mouse

down, and mouse up (I am going from memory, forgive me if I made a

mistake) events fire.

Bindevents is used to change the method associated with an event. By

default, the click method of a button will call that buttons "Click"

method. You can use BindEvents to change it so some other code is

executed. This can be especially useful when it is hard to set default

methods (say for a grids column header, textbox, column, etc) in parent

classes.

Bindevents is also limited to native VFP objects/classes

RaiseEvents is used to actually raise the event. If you look at the

online help, you will find the following example:

Activating a form or using Form1.Show triggers the Activate event for

the form. However, calling the Activate event directly using a call such

as Form1.Activate does not trigger the Activate event. The following

example shows how you can use RAISEEVENT( ) to trigger the Activate

event:

RAISEEVENT( Form1, "Activate" )

You might also look at the foxWiki

<http://fox.wikis.com/wc.dll?Wiki~EventBindingSample> for some

additional information on this.

I believe you can also use Raiseevents to raise events in other COM

automation resources - but I can't quite recall for sure.

I haven't done much with this lately, I am sure that Nancy, Ted, Ed, and

a few others will chime in with something more clear.

Take care,

Fletcher

-----Original Message-----

From: profox-bounces@leafe.com [mailto:profox-bounces@leafe.com] On

Behalf Of Grigore Dolghin

Sent: Monday, October 24, 2005 1:26 PM

To: profox@leafe.com

Subject: BindEvent and RaiseEvent

Hello, everyone

I think I am missing the phylosophy here. What's the difference between

these two? As far as I can understand, I can raise an event from any

method;

in other words, RaiseEvent can cause a custom method to behave like an

event - to get executed when something happens. Well; let's assume in a

button Click() snippet I enter a RaiseEvent() and raise a custom method

as

event. The same can be achieved by binding through BindEvent my custom

method and button's Click(). Also, I can simply call my custom method

from

button Click().

What's the difference? what can be done thru RaiseEvent and cannot be

done

thru BindEvent()? a sample would be greatly appreciated. I don't

understand

what I am missing, although I am obviusly missing something.

Thank you.

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