C#实现动态显示及动态移除图片方法 C#实现动态显示及动态移除图片方法

using System;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace ImageListRemovePicture
{
  public partial class Form1 : Form
  {
    public Form1()
    {
      InitializeComponent();
    }
    //动态加载图片
    private void Form1_Load(object sender, EventArgs e)
    {
      pictureBox1.Width = 200;
      pictureBox1.Height = 165;
      string Path = Application.StartupPath.Substring(0, Application.StartupPath.Substring(0, Application.StartupPath.LastIndexOf("\\")).LastIndexOf("\\"));
      Path += @"\01.jpg";//加载一张外部图片
      Image img = Image.FromFile(Path, true);
      imageList1.Images.Add(img);
      imageList1.ImageSize = new Size(200,165);
    }
    private void button1_Click(object sender, EventArgs e)
    {
      if (imageList1.Images.Count == 0)
      {
        MessageBox.Show("没有图像可移除！");
      }
      else
      {
        pictureBox1.Image = imageList1.Images[0];
      }
    }
    //动态移除图片
    private void button2_Click(object sender, EventArgs e)
    {
      imageList1.Images.RemoveAt(0);
      pictureBox1.Image = null;
    }
  }
}