C# 屏幕放大镜

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;
using System.Runtime.InteropServices;
namespace ScreenBlowupGlass
{
    public partial class Frm_Main : Form
    {
        public Frm_Main（）
        {
            InitializeComponent（）;
        }

        #region 定义快捷键
        //如果函数执行成功，返回值不为0。       
        //如果函数执行失败，返回值为0。要得到扩展错误信息，调用GetLastError。        
        [DllImport（“user32.dll“ SetLastError = true）]
        public static extern bool RegisterHotKey（
        IntPtr hWnd                //要定义热键的窗口的句柄            
        int id                     //定义热键ID（不能与其它ID重复）                       
        KeyModifiers fsModifiers   //标识热键是否在按Alt、Ctrl、Shift、Windows等键时才会生效         
        Keys vk                     //定义热键的内容            
    ）;
        [DllImport（“user32.dll“ SetLastError = true）]
        public static ex

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

     文件     273832  2016-12-21 17:38  ScreenBlowupGlass\ScreenBlowupGlass\bg.bmp

     文件     343040  2016-12-22 02:39  ScreenBlowupGlass\ScreenBlowupGlass\bin\Debug\ScreenBlowupGlass.exe

     文件      44544  2016-12-22 02:38  ScreenBlowupGlass\ScreenBlowupGlass\bin\Debug\ScreenBlowupGlass.pdb

     文件      14328  2016-12-22 02:38  ScreenBlowupGlass\ScreenBlowupGlass\bin\Debug\ScreenBlowupGlass.vshost.exe

     文件        490  2016-12-22 02:38  ScreenBlowupGlass\ScreenBlowupGlass\bin\Debug\ScreenBlowupGlass.vshost.exe.manifest

     文件       6055  2016-12-21 17:37  ScreenBlowupGlass\ScreenBlowupGlass\Frm_Main.cs

     文件       6636  2016-12-21 17:37  ScreenBlowupGlass\ScreenBlowupGlass\Frm_Main.Designer.cs

     文件       6008  2016-12-21 17:37  ScreenBlowupGlass\ScreenBlowupGlass\Frm_Main.resx

     文件       7356  2016-12-22 02:38  ScreenBlowupGlass\ScreenBlowupGlass\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件       4784  2016-12-22 02:38  ScreenBlowupGlass\ScreenBlowupGlass\obj\Debug\ScreenBlowupGlass.csproj.FileListAbsolute.txt

     文件        960  2016-12-22 02:38  ScreenBlowupGlass\ScreenBlowupGlass\obj\Debug\ScreenBlowupGlass.csproj.GenerateResource.Cache

     文件     343040  2016-12-22 02:38  ScreenBlowupGlass\ScreenBlowupGlass\obj\Debug\ScreenBlowupGlass.exe

     文件        180  2016-12-22 02:38  ScreenBlowupGlass\ScreenBlowupGlass\obj\Debug\ScreenBlowupGlass.Form1.resources

     文件        180  2016-12-22 02:38  ScreenBlowupGlass\ScreenBlowupGlass\obj\Debug\ScreenBlowupGlass.Frm_Main.resources

     文件      44544  2016-12-22 02:36  ScreenBlowupGlass\ScreenBlowupGlass\obj\Debug\ScreenBlowupGlass.pdb

     文件     274294  2016-12-22 02:38  ScreenBlowupGlass\ScreenBlowupGlass\obj\Debug\ScreenBlowupGlass.Properties.Resources.resources

     文件       4608  2016-12-22 04:14  ScreenBlowupGlass\ScreenBlowupGlass\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll

     文件        501  2016-12-21 17:37  ScreenBlowupGlass\ScreenBlowupGlass\Program.cs

     文件       1388  2016-12-21 20:59  ScreenBlowupGlass\ScreenBlowupGlass\Properties\AssemblyInfo.cs

     文件       3236  2016-12-21 20:59  ScreenBlowupGlass\ScreenBlowupGlass\Properties\Resources.Designer.cs

     文件       6181  2016-12-21 20:59  ScreenBlowupGlass\ScreenBlowupGlass\Properties\Resources.resx

     文件       1117  2016-12-21 20:59  ScreenBlowupGlass\ScreenBlowupGlass\Properties\Settings.Designer.cs

     文件        249  2016-12-21 20:59  ScreenBlowupGlass\ScreenBlowupGlass\Properties\Settings.settings

     文件       4192  2016-12-21 17:37  ScreenBlowupGlass\ScreenBlowupGlass\ScreenBlowupGlass.csproj

     文件      55406  2016-12-21 17:37  ScreenBlowupGlass\ScreenBlowupGlass\图标.ico

     文件        941  2016-12-21 16:07  ScreenBlowupGlass\ScreenBlowupGlass.sln

     目录          0  2016-12-22 04:14  ScreenBlowupGlass\ScreenBlowupGlass\obj\Debug\Refactor

     目录          0  2016-12-22 04:14  ScreenBlowupGlass\ScreenBlowupGlass\obj\Debug\TempPE

     目录          0  2016-12-22 02:39  ScreenBlowupGlass\ScreenBlowupGlass\bin\Debug

     目录          0  2016-12-22 02:38  ScreenBlowupGlass\ScreenBlowupGlass\bin\Release

............此处省略9个文件信息