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params,ref,out都是方法参数
首先类似这样的,传递的参数args添加了params修饰
public void OpenWindow(params object[] args){ int id=args[0]; Hashtable tab=(Hashtable)args[1]; } public void Init(){ List<ItemInfo> itemList=XUIManager.instance.getInfo<ItemInfo>(); OpenWindow(itemList) }
使用
params
关键字可以指定采用
数目可变的参数
的方法参数,可以发送参数声明中所指定类型的逗号分隔参数列表或指定类型的参数数组,还可以不发送参数。
再或者:
public static void UserParame(params int[] list){ for (int i = 0; i < list.Length; i++) { Console.Write(list[i] + " "); } Console.WriteLine(); } public static void UseParams2(params object[] list) { for (int i = 0; i < list.Length; i++) { Console.Write(list[i] + " "); } Console.WriteLine(); } static void Main() { // You can send a comma-separated list of arguments of the // specified type. UseParams(1, 2, 3, 4); UseParams2(1, ‘a‘, "test"); // A params parameter accepts zero or more arguments. // The following calling statement displays only a blank line. UseParams2(); // An array argument can be passed, as long as the array // type matches the parameter type of the method being called. int[] myIntArray = { 5, 6, 7, 8, 9 }; UseParams(myIntArray); object[] myObjArray = { 2, ‘b‘, "test", "again" }; UseParams2(myObjArray); // The following call causes a compiler error because the object // array cannot be converted into an integer array. //UseParams(myObjArray); // The following call does not cause an error, but the entire // integer array becomes the first element of the params array. UseParams2(myIntArray); } } /* Output: 1 2 3 4 1 a test 5 6 7 8 9 2 b test again System.Int32[] */
标签:style class code tar color width
原文地址:http://www.cnblogs.com/zhaoqingqing/p/3712603.html