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Delegates
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To
16/06/2003 13:20:06
General information
Forum:
ASP.NET
Category:
Other
Title:
Miscellaneous
Thread ID:
00800062
Message ID:
00800433
Views:
28
Oops, that was simpler than I'd thought. Why couldn't I get hold of that?

A way to do this in VB uses the 'Handles' keyword:
Public Sub B_ButtonClick(Sender As Object, E As EventArgs) Handles B.Click
  ...
End Sub
Does C# have a 'Handles' keyword as well?



>Jeff,
>
>Briefly, a delegate tells .NET what method you want to use to handle an event. Say you have a button and you want it to do something when it's clicked.
>
>First you have to define the delegate, to tell .NET which method is your eventhandler:
>
>this.MyButton.Click += new System.EventHandler(this.MyButton_Click);
>
>... then you define the eventhandler method itself:
>
>private void MyButton_Click(object sender, System.EventArgs e)
>{
>    // code to handle the click goes here
>}
>
>
>~~Bonnie
>
>
>>OK, OK... You get a few more <g>
>>
>>What's it all about? What's a delegate, and why would I use one?
>>
>>
>>
>>>>>Bonnie, could you explain delegates, in five words or less? <
>>>
>>>Sure ... "How one must handle events." Count 'em, that's 5 words. =)
>>>
>>>~~Bonnie

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