C# 高级课题之迭代器，泛型接口和方法

呵呵，在C#的程序代码规范中，我想这是高级的技巧了吧。

分部类应该不算。。

现在我只能照书上写简单的代码。

希望以后能更深入的理解，，，

但这必须要有合适的CASE。。。

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            Family myfamily = new Family();

            foreach (string str in myfamily)
            {
                richTextBox1.Text += str + "\n";
            }
        }
    }
    public class Family : System.Collections.IEnumerable
    {
        string[] MyFamily = { "父亲", "母亲", "弟弟", "妹妹", "姐姐" };
        public System.Collections.IEnumerator GetEnumerator()
        {
            for (int i = 0; i < MyFamily.Length; i++)
            {
                yield return MyFamily[i];
            }
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication1
{
    public interface IGenericInterface<T>
    {
        T CreateInstance();
    }
    public class Factory<T, T1> : IGenericInterface<T1> where T : T1, new()
    {
        public T1 CreateInstance()
        {
            return new T();
        }
    }
    public class Finder
    {
        public static int Find<T>(T[] items, T item)
        {
            for (int i = 0; i < items.Length; i++)
            {
                if (items[i].Equals(item))
                {
                    return i;
                }
            }
            return -1;
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            IGenericInterface<System.ComponentModel.IListSource> factory =
                new Factory<System.Data.DataTable, System.ComponentModel.IListSource>();
            Console.WriteLine(factory.CreateInstance().GetType().ToString());
            Console.WriteLine();
            int i = Finder.Find<int>(new int[] {1,2,3,4,5,6,7,8,9,10,11,12}, 8);
            Console.WriteLine("8在数组中的位置： " + i.ToString());
            Console.ReadLine();
        }
    }
}