简易的照片浏览器

 

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

namespace 照片浏览器
...{
    public partial class Form1 : Form
    ...{
        public Form1()
        ...{
            InitializeComponent();
        }

        //添加照片
        private void button1_Click(object sender, EventArgs e)
        ...{
            openFileDialog1.ShowDialog();
            string[] files = openFileDialog1.FileNames;
            for (int i = 0; i < files.Length; i++)
            ...{
                listBox1.Items.Add(files[i].ToString());
            }
        }

        //选中照片并显示
        private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
        ...{
            string path = listBox1.SelectedItem.ToString();
            //方法一
            pictureBox1.ImageLocation = path;
            //方法二
            //pictureBox1.Image = Image.FromFile(path);
        }

        //上一张
        private void button2_Click(object sender, EventArgs e)
        ...{

            if (listBox1.SelectedIndex < 1)
                listBox1.SelectedIndex = listBox1.Items.Count-1;
            else
            ...{
                int i = listBox1.SelectedIndex;
                listBox1.SelectedIndex = --i;
            }
           
        }


        //下一张
        private void button3_Click_1(object sender, EventArgs e)
        ...{
            if (listBox1.SelectedIndex > listBox1.Items.Count-2)
                listBox1.SelectedIndex = 0;
            else
            ...{
                int i = listBox1.SelectedIndex;
                listBox1.SelectedIndex = ++i;
            }
        }

        //时钟设置
        private void timer1_Tick(object sender, EventArgs e)
        ...{
            if (listBox1.SelectedIndex > listBox1.Items.Count - 2)
                listBox1.SelectedIndex = 0;
            else
            ...{
                int i = listBox1.SelectedIndex;
                listBox1.SelectedIndex = ++i;
            }
        }

        //自动播放
        private void checkBox1_CheckedChanged(object sender, EventArgs e)
        ...{
            timer1.Enabled = !timer1.Enabled;
        }

        private void pictureBox1_Click(object sender, EventArgs e)
        ...{

        }


    }
}