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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"); }
}
}
}