c# out参数

static void Main(string[] args)
{
int[] a = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,0,11};
int max;
int min;
int xxa=ax((a),out max, out min);

Console.WriteLine("最大值{0}",max);
Console.WriteLine("最小值{0}",min);

Console.ReadKey();

}
public static int ax(int[] xx, out int max, out int min) {
int xxa = 0;
max = xx[0];
min = xx[0];
for (int i = 0; i < xx.Length; i++) {
if (max < xx[i]) {
max = xx[i];
}
if (min > xx[i]) {
min = xx[i];
}

}
return xxa;

}