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how to know which index of clicked in array of button

Posted on 2006-07-06
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Last Modified: 2011-09-20
Hi experts,


I have created one runtime array of buttons

And i wish to know which button i have clicked i.e what is the index of button .

how to get particular index ?


Thanks in advance.
-Avinash
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Question by:avinash_takale
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Accepted Solution

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dstanley9 earned 1600 total points
ID: 17050660
Cast the sender parameter to a Button and look at it's Id (or Name if WinForms)

Button button = sendar as Button
if (button != null)
{
  string buttonName = button.Id;
}

If you want the actual numeric index from the array I would name the buttons with the index number (e.g. MyButton1, MyButton2) and parse it in the event handler.  Or, if it's a Windows app, you could use the Tag property.
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Author Comment

by:avinash_takale
ID: 17051090
and one more thing if i want to set some click event on runtime checkbox
Then how do i set this ?

means i will read some value before start of application and i want to some check box to true in a array of checkbox which i have created at runtime
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LVL 25

Expert Comment

by:dstanley9
ID: 17051123
If you have a method already defined:

public void MyClick(object sender, EventArge args)
{
  // Do something
}


then use

CheckBox checkBox = new CheckBox();
/// set properties
checkBox.Click += new EventHandler(MyCLick);
0
 

Author Comment

by:avinash_takale
ID: 17051235


suppose there are 5 checkbox are created at runtime
and i want to set 2nd and 4th to true at the form startup
How do i set this true this cheakbox.

Thanks in advance
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LVL 25

Expert Comment

by:dstanley9
ID: 17051479
checkBox.Checked = true;
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