求助啊！在C#中怎麼抓USB的數據啊

ywk07raul 2007-05-05 11:05:36

我現在用了System.IO不行啊，有什麼其它的辦法可以解決，請賜教

...全文

554 12 打赏收藏转发到动态举报

写回复

用AI写文章

12 条回复

切换为时间正序

请发表友善的回复…

发表回复

liuyongqiangslw 2012-09-21

打赏
举报

求源代码！

haoxiaoqiang 2008-02-27

打赏
举报

namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
USB usb;
usb = new UDisk();//插入U盘
usb.OutputFile();//从U盘读出文件
usb.InputFile();//往U盘写入文件
usb.Dispose();//拔出U盘
Console.WriteLine("");
usb = new MDisk();//插入移动硬盘
usb.OutputFile();//从移动硬盘读出文件
usb.InputFile();//往移动硬盘写入文件
usb.Dispose();//拔出移动硬盘
Console.WriteLine("");
usb = new MP4();//插入MP4
usb.OutputFile();//从MP4读出文件
usb.InputFile();//往MP4写入文件
usb.Dispose();//拔出MP4

Console.ReadKey();
}

//USB接口
public interface USB : IDisposable
{
void OutputFile();//读出文件
void InputFile();//写入文件
}

//U盘
public class UDisk : USB
{
public UDisk()
{
Console.WriteLine("U盘准备就绪...");
}
public void OutputFile()
{
Console.WriteLine("从U盘读出文件");
}
public void InputFile()
{
Console.WriteLine("往U盘写入文件");
}
public void Dispose()
{
Console.WriteLine("U盘已被拔出");
}
}

//移动硬盘
public class MDisk : USB
{
public MDisk()
{
Console.WriteLine("移动硬盘准备就绪...");
}
public void OutputFile()
{
Console.WriteLine("从移动硬盘读出文件");
}
public void InputFile()

{
Console.WriteLine("往移动硬盘写入文件");
}
public void Dispose()
{
Console.WriteLine("移动硬盘已被拔出");
}
}

//MP4
public class MP4 : USB
{
public MP4()
{
Console.WriteLine("MP4准备就绪...");
}
public void OutputFile()
{
Console.WriteLine("从MP4读出文件");
}
public void InputFile()
{
Console.WriteLine("往MP4写入文件");
}
public void Dispose()
{
Console.WriteLine("MP4已被拔出");
}
}
}
}

wt3056 2007-05-05

打赏
举报

当把U盘放插入，然后程序自动将U盘的内容复制到本地硬盘

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

namespace U盘更新
{
public partial class Form1 : Form
{
public const int WM_DEVICECHANGE = 0x219;
public const int DBT_DEVICEARRIVAL = 0x8000;
public const int DBT_CONFIGCHANGECANCELED = 0x0019;
public const int DBT_CONFIGCHANGED = 0x0018;
public const int DBT_CUSTOMEVENT = 0x8006;
public const int DBT_DEVICEQUERYREMOVE = 0x8001;
public const int DBT_DEVICEQUERYREMOVEFAILED = 0x8002;
public const int DBT_DEVICEREMOVECOMPLETE = 0x8004;
public const int DBT_DEVICEREMOVEPENDING = 0x8003;
public const int DBT_DEVICETYPESPECIFIC = 0x8005;
public const int DBT_DEVNODES_CHANGED = 0x0007;
public const int DBT_QUERYCHANGECONFIG = 0x0017;
public const int DBT_USERDEFINED = 0xFFFF;

public Form1()
{
InitializeComponent();
}

private void Form1_Load(object sender, EventArgs e)
{

}

protected override void WndProc(ref Message m)
{
try
{
if (m.Msg == WM_DEVICECHANGE)
{
switch (m.WParam.ToInt32())
{
case WM_DEVICECHANGE:
break;
case DBT_DEVICEARRIVAL://U盘插入
DriveInfo[] s = DriveInfo.GetDrives();
foreach (DriveInfo drive in s)
{
if (drive.DriveType == DriveType.Removable)
{
listBox1.Items.Add("U盘已插入，盘符为:" + drive.Name.ToString());
break;
}
}
break;
case DBT_CONFIGCHANGECANCELED:
break;
case DBT_CONFIGCHANGED:
break;
case DBT_CUSTOMEVENT:
break;
case DBT_DEVICEQUERYREMOVE:
break;
case DBT_DEVICEQUERYREMOVEFAILED:
break;
case DBT_DEVICEREMOVECOMPLETE: //U盘卸载
break;
case DBT_DEVICEREMOVEPENDING:
break;
case DBT_DEVICETYPESPECIFIC:
break;
case DBT_DEVNODES_CHANGED:
break;
case DBT_QUERYCHANGECONFIG:
break;
case DBT_USERDEFINED:
break;
default:
break;
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
base.WndProc(ref m);
}

ywk07raul 2007-05-05