Events and Parent MDI forms

[localzuk]

I'm trying to get my head around using a custom event to pass an updated text for a statusbar in an app I'm building.

 

I have a bunch of child forms, all of which will send messages to the parent form, in order to update the statusbar.

 

Now, I know I need to use events but I am a little hazy on generating my own custom events.

 

An example, someone fills in a form, and on completion, they click OK. The form then processes, adding data to a database - if it is successful, I want it to call an event which says so in the status bar. If not, I want the same event to call, with a different message.

 

So, as far as I can see, I need to

 

1. Declare a class for my event

2. Declare a delegate

3. Declare the event in the child forms

4. Call the event

5. Handle the event in the parent form.

 

However, outside that, I am a little confused. Most tutorials on this I have found just throw code blocks at me without any context (ie. where to put the damned things).

 

So, could someone shed some light on this for me?

[localzuk]

Ok, figured it out.

 

This article explained it nicely for me Using delegates to communication between windows forms

[dwhyte85]

Would this be the same principal with objects?

[localzuk]

Would this be the same principal with objects?

 

I don't see why not. Forms are effectively just objects after all.

[dwhyte85]

It's a little easier in Delphi... may just stick to that I think.