C# 探照灯共享（支持自定义图形）

探照灯效果，可更改图形，透明度等

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Drawing.Drawing2D;
using System.Runtime.InteropServices;
using System.Threading;

namespace Spotlight
{
    public partial class FormSpotlight : Form
    {
        public FormSpotlight（）
        {
            InitializeComponent（）;
            mySpotlight = new MySpotlight（）;
        }


        MySpotlight mySpotlight;
       

        private void FormSpotlight_Load（object sender EventArgs e）
        {
            toolStripMenuItem2.Checked = true;
            this.Opacity = 0.9;
            椭圆ToolStripMenuItem.Checked = true;
            黄色ToolStripMenuItem.Checked = true;
       

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件      93184  2011-06-22 16:23  Spotlight\Spotlight\bin\Debug\Spotlight.exe

     文件      52736  2011-06-22 16:23  Spotlight\Spotlight\bin\Debug\Spotlight.pdb

     文件      14328  2011-06-22 16:23  Spotlight\Spotlight\bin\Debug\Spotlight.vshost.exe

     文件      92160  2011-06-22 16:23  Spotlight\Spotlight\bin\Release\Spotlight.exe

     文件      46592  2011-06-22 16:23  Spotlight\Spotlight\bin\Release\Spotlight.pdb

     文件      14328  2011-06-22 16:22  Spotlight\Spotlight\bin\Release\Spotlight.vshost.exe

     文件        490  2007-07-21 01:33  Spotlight\Spotlight\bin\Release\Spotlight.vshost.exe.manifest

     文件      10183  2011-06-22 16:05  Spotlight\Spotlight\FormSpotlight.cs

     文件      13468  2011-06-22 15:49  Spotlight\Spotlight\FormSpotlight.Designer.cs

     文件       6019  2011-06-22 15:49  Spotlight\Spotlight\FormSpotlight.resx

     文件      14543  2011-06-22 16:08  Spotlight\Spotlight\MySpotlight.cs

     文件       3994  2011-06-22 16:23  Spotlight\Spotlight\obj\Debug\Spotlight.csproj.FileListAbsolute.txt

     文件        896  2011-06-22 16:23  Spotlight\Spotlight\obj\Debug\Spotlight.csproj.GenerateResource.Cache

     文件      93184  2011-06-22 16:23  Spotlight\Spotlight\obj\Debug\Spotlight.exe

     文件        180  2011-06-22 16:23  Spotlight\Spotlight\obj\Debug\Spotlight.FormSpotlight.resources

     文件      52736  2011-06-22 16:23  Spotlight\Spotlight\obj\Debug\Spotlight.pdb

     文件       2643  2011-06-22 16:23  Spotlight\Spotlight\obj\Debug\Spotlight.Properties.Resources.resources

     文件       4608  2011-06-22 15:44  Spotlight\Spotlight\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll

     文件       1868  2011-06-22 16:23  Spotlight\Spotlight\obj\Release\Spotlight.csproj.FileListAbsolute.txt

     文件        896  2011-06-22 15:57  Spotlight\Spotlight\obj\Release\Spotlight.csproj.GenerateResource.Cache

     文件      92160  2011-06-22 16:23  Spotlight\Spotlight\obj\Release\Spotlight.exe

     文件        180  2011-06-22 15:57  Spotlight\Spotlight\obj\Release\Spotlight.FormSpotlight.resources

     文件      46592  2011-06-22 16:23  Spotlight\Spotlight\obj\Release\Spotlight.pdb

     文件       2643  2011-06-22 15:57  Spotlight\Spotlight\obj\Release\Spotlight.Properties.Resources.resources

     文件       4608  2011-06-22 15:57  Spotlight\Spotlight\obj\Release\TempPE\Properties.Resources.Designer.cs.dll

     文件        478  2011-06-22 14:19  Spotlight\Spotlight\Program.cs

     文件       1362  2011-06-22 16:23  Spotlight\Spotlight\Properties\AssemblyInfo.cs

     文件       3095  2011-06-22 15:44  Spotlight\Spotlight\Properties\Resources.Designer.cs

     文件       6205  2011-06-22 15:44  Spotlight\Spotlight\Properties\Resources.resx

     文件       1094  2011-05-09 16:32  Spotlight\Spotlight\Properties\Settings.Designer.cs

............此处省略22个文件信息