/// <summary>
/// 遍历一个集合，委托当作参数来用
/// </summary>
/// <param name="list"></param>
/// <param name="del"></param>
public void Each(ArrayList list, DelegetFun del)
{
if (list.Count > 0)
{
for (int i = 0; i < list.Count; i++)
{
del(i, list[i]); //委托调用方法
}
}
}
private void button1_Click(object sender, EventArgs e)
{
ForeachList each = new ForeachList();
///声明一个委托
///each.ShowList是相匹配的参数
DelegetFun delFun = new DelegetFun(each.ShowList);
//初始化集合
ArrayList list = new ArrayList();
list.Add("老鸟");
list.Add("大鸟");
list.Add("小鸟");
list.Add("菜鸟");
///调用each方法，传递 委托参数
each.Each(list, delFun);
}
