抓取檔案的ICON

抓取檔案的ICON程式碼

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

namespace TestProject
{
    public partial class Form1 : Form
    {
        [System.Runtime.InteropServices.DllImport("shell32")]
        private static extern IntPtr ExtractAssociatedIcon(IntPtr hInst, string lpIconPath, ref int lpiIcon);
        private IntPtr hIcon;

        public Form1()
        {
            InitializeComponent();

            this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);

            int iIconIndex = 0;
            hIcon = ExtractAssociatedIcon(this.Handle, "D:\\123.jpg", ref iIconIndex);
        }

        private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
        {
            Icon icon = Icon.FromHandle(hIcon);
            e.Graphics.DrawIcon(icon, 10, 10);
        }
    }
}