Jussi Lahtinen ha scritto:
> Hi!
> Any ideas how to implement following?
>
> I need to make open forms to refresh when they get signal from main module.
> User need to be freely open or close forms as like. So I don't know are they
> valid objects or not.
>
> So, form should have some kind of event handler, and event should be able to
> rise from module.
>
> Now I have timer to check if signal is given, but I'm sure there are better
> way to do this.
>
Every time you open a form (i.e., in its form_open event handler) you
could use something like:
' in every "slave" form
DIM hObserver AS Observer
hObserver = NEW Observer(hT, FALSE) AS "mysignal"
At this point, from the main form you can raise signals that will be
catched by your opened forms:
' in every "slave" form
public sub mysignal_refresh(...)
...do what to do when a refresh signal is received
In your main form, when you want to refresh the other slave forms, you
issue:
raise refresh
You can even use formal parameters, to pass data from main to slaves.
Or you can define several types of events.
This should work... let me know :-)
Regards,
Doriano
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