我知道这是一个关于Win 7中winuser的屏幕截图的老问题。我已经阅读了关于Stack Overflow的所有文章以及CodeProject上的很多...我知道关于服务的0会话,从Win Vista &开始关于允许服务与桌面检查进行交互... 但是我被卡住了(我无法从服务中截图,因为我不知道显示图像(屏幕)在哪里保存。在Windows 7中使用Windows Service获取屏幕截图
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Linq;
using System.ServiceProcess;
using System.Text;
using System.Timers;
namespace MyThirdTry
{
public partial class Third : ServiceBase
{
private static MyTimer aTimer;
public Third()
{
InitializeComponent();
if (!System.Diagnostics.EventLog.SourceExists("MySource"))
{
System.Diagnostics.EventLog.CreateEventSource(
"MySource", "MyNewLog");
}
eventLog1.Source = "MySource";
eventLog1.Log = "MyNewLog";
aTimer = new MyTimer();
aTimer.Elapsed += new System.Timers.ElapsedEventHandler(aTimer_Elapsed);
aTimer.Interval = 10000;
}
protected override void OnStart(string[] args)
{
eventLog1.WriteEntry("Started\t" + DateTime.Now.ToString("G"));
aTimer.Enabled = true;
}
protected override void OnStop()
{
aTimer.Enabled = false;
eventLog1.WriteEntry("Stopped\t" + DateTime.Now.ToString("G"));
}
protected override void OnPause()
{
aTimer.Enabled = false;
eventLog1.WriteEntry("Paused\t" + DateTime.Now.ToString("G"));
base.OnPause();
}
protected override void OnContinue()
{
base.OnContinue();
aTimer.Enabled = true;
eventLog1.WriteEntry("Continued\t" + DateTime.Now.ToString("G"));
}
protected override void OnShutdown()
{
aTimer.Enabled = false;
eventLog1.WriteEntry("Shutted down\t" + DateTime.Now.ToString("G"));
base.OnShutdown();
}
private void aTimer_Elapsed(object sender, ElapsedEventArgs e)
{
eventLog1.WriteEntry("Evented\t" + aTimer.TimeTaker() + "\t" + Environment.CurrentDirectory);
aTimer.TakeScreenShot();
}
}
}
这是MyTimer类:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Timers;
using System.Drawing;
using System.Drawing.Imaging;
using System.Security.Principal;
using System.IO;
namespace MyThirdTry
{
class MyTimer:Timer
{
Bitmap mainBit;
System.Windows.Forms.Screen main;
public string TimeTaker()
{
return DateTime.Now.ToString("G");
}
public void TakeScreenShot()
{
string PathToSave = @"c:\results";
System.IO.Directory.CreateDirectory(PathToSave);
main = System.Windows.Forms.Screen.PrimaryScreen;
mainBit = new Bitmap(main.Bounds.Width, main.Bounds.Height, PixelFormat.Format32bppArgb);
Graphics gScreenShot = Graphics.FromImage(mainBit);
gScreenShot.CopyFromScreen(main.Bounds.X,
main.Bounds.Y,
0, 0,
main.Bounds.Size,
CopyPixelOperation.SourceCopy);
string fileName = "result" + Directory.GetFiles(PathToSave).Count().ToString().Trim() + ".png";
mainBit.Save(System.IO.Path.Combine(PathToSave, fileName), System.Drawing.Imaging.ImageFormat.Png);
}
}
}
而这种代码返回盲(空)截图... 所有的作品,但服务不能老是让截图,因为它是在0会话.. 。如何从当前登录用户的会话中获取gui?
请显示您的代码,并解释您卡住的部分代码。 – mbeckish 2013-03-12 20:13:22
@mbeckish,在这里) – Overrided 2013-03-12 20:31:31
@mbeckish - 不,因为我不需要在会话1中从会话0开始控制台应用程序...我需要从会话1到会话0获取gui信息并将其保存为图像。 – Overrided 2013-03-12 20:47:11