winform

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

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

        private void Form1_Load(object sender, EventArgs e)
        {
            // comboBox1绑定数据源 
            comboBox1.DataSource = Enum.GetNames(typeof(View));

            // 为listView1指定大图标控件
            listView1.LargeImageList = imageList1;
            // 为listView1指定小图标控件
            listView1.SmallImageList = imageList2;

        }

        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {

            listView1.Items.Clear();
            // 获取当前系统进程
            string[] processess = System.Diagnostics.Process.GetProcesses().Select(p => p.ProcessName).ToArray();

            // 将进程加入到listView1控件的Items中, p为单一进程名称, 0 为ImageList中图片资源的索引
            // 写法1:
            foreach (string p in processess)
            {
                listView1.Items.Add(p, 0);
            }

            //// 写法2:
            //Array.ForEach(processess, p=>listView1.Items.Add(p,0));
            
            //// 写法3:
            //Array.ForEach(processess, p => listView1.Items.Add(new ListViewItem(p, 0)));

            // 列表框选择项改变时试着ListView控件的视图效果: 大图标/ 小图标/ 列表 等等
            listView1.View = (View)Enum.Parse(typeof(View), comboBox1.Text);

        }

    }

}