请教一个ArrayList的问题？

[HeartEasy]

 static ArrayList pArray = new ArrayList();
        static void Main(string[] args)
        {
            pArray.Add("aaaa");
            pArray.Add("bbbb");
            pArray.Add("cccc");
            pArray.Add("dddd");
            testRefuse t = new testRefuse();

            
            

        }
        public class testRefuse
        {
            private ArrayList arrList = new ArrayList();
            public testRefuse()
            {
                arrList = pArray;
                arrList.Add("eeee");
                arrList.Add("ffff");
                Console.WriteLine("arrlist中的元素有：");
                for (int i = 0; i < arrList.Count;i++ )
                {
                    Console.WriteLine("arrList[{0}]={1}",i,arrList[i]);
                }
                Console.WriteLine("pArray中的元素有：");
                for (int i = 0; i < pArray.Count; i++)
                {
                    Console.WriteLine("pArray[{0}]={1}", i, pArray[i]);
                }
            }
            
        }

输出的结果是两个数组中的内容是相同的，如果我是想保持pArray中的内容不变，仅想在arrList中增加两个元素，应该如何处理？

[HeartEasy]

既pArray中的元素为“aaaa”"bbbb""cccc""dddd",而arrList中为“aaaa”"bbbb""cccc""dddd"“eeee”"ffff".不知应如何编写程序。请指教？

[sprc_lcl]

arrList.AddRange(pArray);

[MicroDeviser]

引用类型当然一样啊

[sprc_lcl]

arrList = pArray;
替换成arrList.AddRange(pArray);

[heyu1000]

arrList = pArray.Clone();

[Aden]

arrList = (ArrayList)pArray.Clone();

[一游]

arrList =(arraylist) pArray.clone();

用这个方法就可以了

[happychou]

public testRefuse()
{

Console.WriteLine("pArray中的元素有：");
for (int i = 0; i < pArray.Count; i++)
{
Console.WriteLine("pArray[{0}]={1}", i, pArray[i]);
}

ArrayList arrList = new ArrayList();
arrList = pArray;
arrList.Add("eeee");
arrList.Add("ffff");
Console.WriteLine("arrlist中的元素有：");
for (int i = 0; i < arrList.Count;i++ )
{
Console.WriteLine("arrList[{0}]={1}",i,arrList[i]);
}
}

[wackyboy]

引用类型 两个变量指向的内存地址是同一个 所以修改的也是同一个对象方法如下
1.arrList = (ArrayList)pArray.Clone();
2.arrList.AddRange(pArray);

[HeartEasy]

static ArrayList pArray = new ArrayList();
        static void Main(string[] args)
        {
                     
            Edge e = new Edge();
            e.From = "a";
            e.ID = "1";
            e.TO = "b";
            pArray.Add(e);
            testRefuse t = new testRefuse();
            
        }
        public class testRefuse
        {
            private ArrayList arrList = new ArrayList();
            public testRefuse()
            {
                arrList.AddRange(pArray);
                ((Edge)arrList[0]).From = "c";
                Console.WriteLine("arrlist中的元素有：");
               foreach(Edge tem in arrList)
                {
                    
                    Console.WriteLine("ID={0},From={1},To={2}",tem.ID,tem.From,tem.TO);
                }
                Console.WriteLine("pArray中的元素有：");
                foreach (Edge tem in pArray)
                {

                    Console.WriteLine("ID={0},From={1},To={2}", tem.ID, tem.From, tem.TO);
                }
                
            }
           
        }
        public class Edge
        {
            public string ID;
            public string From;
            public string TO;
            
        }

要是这种情况又应该如何处理呢，我只是想改变arrList中的值，而不想改变pArray中的值。。

[chun10hui10]

static ArrayList pArray = new ArrayList();

static void Main(string[] args)
{


Edge e = new Edge();
e.From = "a";
e.ID = "1";
e.TO = "b";
pArray.Add(e);
testRefuse t = new testRefuse(pArray);

}
}

public class testRefuse
{

private ArrayList arrList = new ArrayList();
public testRefuse(ArrayList list)
{

Console.WriteLine("pArray中的元素有：");

foreach (Edge tem in list)
{

Console.WriteLine("ID={0},From={1},To={2}", tem.ID, tem.From, tem.TO);
}
arrList.AddRange(list);
((Edge)arrList[0]).From = "c";
Console.WriteLine("arrlist中的元素有：");
foreach(Edge tem in arrList)
{

Console.WriteLine("ID={0},From={1},To={2}",tem.ID,tem.From,tem.TO);
}
}

}
public class Edge
{
public string ID;
public string From;
public string TO;

}

[chun10hui10]

这样就是改变arrList中的值，而不是改变pArray中的值