C#編寫的屏幕監控代碼

C#編寫的屏幕監控代碼，可以自動對屏幕進行截圖，軟件自身隱藏

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

namespace Screen 
{ 
    public partial class Form1 : Form 
    { 
        public Form1() 
        { 
            //主窗體桌面不顯示 僅在進程中顯示 
            InitializeComponent(); 
            this.WindowState = FormWindowState.Minimized; 
            this.ShowInTaskbar = false; 
            SetVisibleCore(false); 
        } 
        protected override void SetVisibleCore(bool value) 
        { 
            base.SetVisibleCore(value); 
        }

    private void timer1_Tick(object sender, EventArgs e) 
    { 
        //獲得當前屏幕的大小  
        Rectangle rect = new Rectangle(); 
        rect = System.Windows.Forms.Screen.GetWorkingArea(this); 
        Size mySize = new Size(rect.Width, rect.Height); 
        Bitmap bitmap = new Bitmap(rect.Width, rect.Height); 
        Graphics g = Graphics.FromImage(bitmap); 
        g.CopyFromScreen(0, 0, 0, 0, mySize); 
        string ImageName = DateTime.Now.ToString("yyyyMMdd_hhmmss") + ".jpg"; 
        bitmap.Save("F://screen//" + ImageName);  
        //釋放資源 
        bitmap.Dispose(); 
        g.Dispose(); 
        GC.Collect();  
    } 

    private void Form1_Load(object sender, EventArgs e) 
    { 
        timer1.Enabled = true;//激活timer控件 
    } 
} 

}  </pre>