wimImageCut/Form1.cs

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

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

        private void button1_Click(object sender, EventArgs e)
        {
            string oldDirFile = this.txtInput.Text;
            string newDirFile = this.txtOutput.Text;
            DirectoryInfo theFolder = new DirectoryInfo(oldDirFile);
            DirectoryInfo[] dirInfo = theFolder.GetDirectories();
            string fileName = string.Empty;
            string er = "";
            //遍历文件夹
            //foreach (DirectoryInfo NextFolder in dirInfo)
            //{
            // this.listBox1.Items.Add(NextFolder.Name);
            FileInfo[] fileInfo = theFolder.GetFiles();
            foreach (FileInfo NextFile in fileInfo)  //遍历文件
            {
                try
                {
                    fileName = NextFile.Name;
                    MakeThumbnail(oldDirFile + "\\" + fileName, newDirFile + "\\" + fileName, 80, 100, "W");
                }
                catch (Exception ex)
                {
                    er = ex.Message.ToString();
                }
            }
            //}

            label1.Text = "OK" + er.ToString();
        }
        /**//// <summary> 
            /// 生成缩略图 
            /// </summary> 
            /// <param name="originalImagePath">源图路径（物理路径）</param> 
            /// <param name="thumbnailPath">缩略图路径（物理路径）</param> 
            /// <param name="width">缩略图宽度</param> 
            /// <param name="height">缩略图高度</param> 
            /// <param name="mode">生成缩略图的方式</param>     
        public void MakeThumbnail(string originalImagePath, string thumbnailPath, int width, int height, string mode)
        {
            Image originalImage = Image.FromFile(originalImagePath);