基本信息
源码名称:C# 拖拽照片到winform窗体并自动显示照片
源码大小:0.20M
文件格式:.zip
开发语言:C#
更新时间:2019-10-11
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   源码介绍
直接拖拉照片显示


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;

namespace photos
{
    public partial class Form1 : Form
    {
        string fileName = string.Empty;
        public Form1()
        {
            InitializeComponent();
            this.Load  = new EventHandler(Form1_Load);
            this.DragEnter  = new DragEventHandler(Form1_DragEnter);
            this.DragDrop  = new DragEventHandler(Form1_DragDrop);
        }
        void Form1_Load(object sender, EventArgs e)
        {
            this.AllowDrop = true;
        }
        void Form1_DragEnter(object sender, DragEventArgs e)
        {
            if (e.Data.GetDataPresent(DataFormats.FileDrop)) e.Effect = DragDropEffects.All;
            else e.Effect = DragDropEffects.None;
        }
        void Form1_DragDrop(object sender, DragEventArgs e)
        {
            //获取第一个文件名
            fileName = (e.Data.GetData(DataFormats.FileDrop, false) as String[])[0];
            try
            {
                this.pictureBox1.ImageLocation = fileName;
            }
            catch (Exception) { MessageBox.Show("文件格式不对"); }
        }
    }
}