C# 屏幕监控 自动截屏程序 主窗体隐藏，仅在进程中显示

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()
{
//主窗体桌面不显示 仅在进程中显示
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)
{
//获得当前屏幕的大小
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);
//释放资源
bitmap.Dispose();
g.Dispose();
GC.Collect();
}

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