multiple uibutton bind event use for loop

[raygenes]

1. Transform items = transform.FindChild ("items");
2.                 for (int i = 0; i < 6; i++) {
3.                         UIButton btn = items.GetChild (i).GetComponentInChildren<UIButton> ();
4.                         EventDelegate.Add (btn.onClick, delegate() {
5.                                 OnItem (i);
6.                         });
7.                 }
8.  
9. public void OnItem(int i){
10.                 Debug.Log (i);
11.         }
12.  
13.  

there is 6 button,name is 1,2,...6,click the button,log always is 7,
How to make log is 1,2,3,4...6?

[ArenMook]

This isn't an NGUI question, but a C# question. However... you need to make a copy of the variable.

1. for (...)
2. {
3.     var copy = i;
4.     EventDelegate.Add(btn.onClick, delegate() { OnItem(copy); });
5. }