UICheckBoxGroupOnValueChanged 委托

public delegate void OnValueChanged(
	Object sender,
	int index,
	string text,
	bool isChecked
)

Public Delegate Sub OnValueChanged ( 
	sender As Object,
	index As Integer,
	text As String,
	isChecked As Boolean
)

type OnValueChanged = 
    delegate of 
        sender : Object * 
        index : int * 
        text : string * 
        isChecked : bool -> unit