泛型委托

public delegate int DelCompare<T>(T o1,T o2);
class Program
{
    static void Main(string[] args)
    {
        int[] nums = { 2,5,6,9,1,5,8};
        int max = GetMax<int>(nums, delegate(int max1,int num) {
            return max1 - num;
        });
        int max3 = GetMax<int>(nums,Compare);
        Console.WriteLine(max);
        Console.ReadKey();
    }

    public static int Compare(int o1,int o2)
    {
        return o1 - o2;
    }

    public static T GetMax<T>(T[] nums, DelCompare<T> del)
    {
        T max = nums[0];
        for (int i = 0; i < nums.Length; i++)
        {
            if (del(max, nums[i]) < 0)
            {
                max = nums[i];
            }
        }
        return max;
    }
}