C#图片查看器实现方法
实现效果:
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注意:using system.io; 往Form1上添加控件picturebox,再添加imagelist,并设置imagelist的imagesize大小
Form1.cs代码:
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; using System.IO; namespace ImageCheck { public partial class Form1 : Form { public Form1() { InitializeComponent(); } int index; private void button1_Click(object sender, EventArgs e) { index--; if (index<0) { MessageBox.Show("去往最后一张图片"); index = imageList1.Images.Count - 1; } this.pictureBox1.Image = this.imageList1.Images[index]; } private void button2_Click(object sender, EventArgs e) { index++; if (index>imageList1.Images.Count-1) { MessageBox.Show("回到第一张图片"); index = 0; } this.pictureBox1.Image = this.imageList1.Images[index]; } private void LoadImage() { string rootPath = Application.StartupPath; string filePath = rootPath + @"\image"; DirectoryInfo rootDir = new DirectoryInfo(filePath); FileInfo[] file = rootDir.GetFiles(); for (int i=0;i<=file.Length-1;i++) { Image img = Image.FromFile(file[i].FullName); this.imageList1.Images.Add(img); } } private void Form1_Load(object sender, EventArgs e) { LoadImage(); this.pictureBox1.Image = this.imageList1.Images[index]; } } }
注意:在C#的工作目录Debug下创建image文件夹,并放置图片
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