C#函数中返回多个值

  static void Main(string[] args)   {  
            //声明   
            int value;     string strOutValue;  
  
            //调用函数   
            //函数的参数有两个返回的值   
            ReturnMulValue(out strOutValue,out value);  
  
            Console.WriteLine("Call ReturnMulValue(out string strOut, out int i)");  
            Console.WriteLine("value = {0:N}", value);//value = 1.00   
            Console.WriteLine("Out string value = " + strOutValue); //Out string value = out function   
  
  
            //调用函数   
            //函数原返回值与参数中均得到返回的值   
            value = ReturnMulValue(out strOutValue);  
  
            Console.WriteLine("Call ReturnMulValue(out string strOut)");  
            Console.WriteLine("value = {0:N}", value);//value = 2.00   
            Console.WriteLine("Out string value = " + strOutValue);//Out string value = out function 2   
  
            //声明   
            int[] outArr;  
            //调用函数   
            //函数返回数组   
            ReturnMulArr(out outArr, out value);  
  
            Console.WriteLine("Call ReturnMulArr(out int[] arr, out int i)");  
            Console.WriteLine("value = {0:N}", value);//value = 3.00   
            Console.WriteLine("Out arr value ");  
  
            for (int j = 0; j < outArr.Length; j++)  
            {  
                Console.Write(outArr[j]);//12345   
            }  
        }  
  
        /// <summary>   
        /// 返回多个值，原函数返回空   
        /// </summary>   
        /// <param name="strOut">使用out关键字返回的字符串</param>   
        /// <param name="i">使用out关键字返回的数值</param>   
        static void ReturnMulValue(out string strOut, out int i)  
        {  
            i = 1;  
            strOut = "out function";  
        }  
  
        /// <summary>   
        /// 返回多个值，原函数返回数值   
        /// </summary>   
        /// <param name="strOut">使用out关键字返回的字符串</param>   
        /// <returns>原函数直接返回的数值</returns>   
        static int ReturnMulValue(out string strOut)  
        {  
            int i = 2;  
            strOut = "out function 2";  
            return i;  
        }  
  
  
        /// <summary>   
        /// 返回数组   
        /// </summary>   
        /// <param name="arr">使用out关键字返回的数组</param>   
        /// <param name="i">使用out关键字返回的数值</param>   
        static void ReturnMulArr(out int[] arr, out int i)  
        {  
            arr = new int[5] { 1, 2, 3, 4, 5};  
            i = 3;  
        }