using?System;
using?System.Collections;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Drawing.Drawing2D;
using?System.Linq;
using?System.Text;
using?System.Windows.Forms;

namespace?GdiCoordinateSystem
{

????public?partial?class?MainForm?:?Form
????{
????????private?Bitmap?m_Bmp;
????????private?Graphics?m_Graphics;
????????private?float?m_Scale?=?0.0f;???????????//放大倍數
????????private?Point?m_CanvasOrigin;???????????//屏幕坐標原點
????????private?float?m_FillWidth?=?2.1f;???????//繪制鼠標點時正方形的寬度

????????public?MainForm（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?MainForm_Load（object?sender?EventArgs?e）
????????{
????????????m_Bmp?=?new?Bitmap（Pb_CoordinateSystem

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-04-28?09:23??GdiCoordinateSystem\
?????目錄???????????0??2019-04-28?09:22??GdiCoordinateSystem\.vs\
?????目錄???????????0??2019-04-28?09:22??GdiCoordinateSystem\.vs\GdiCoordinateSystem\
?????目錄???????????0??2019-04-28?09:22??GdiCoordinateSystem\.vs\GdiCoordinateSystem\v14\
?????文件???????48128??2019-04-29?17:45??GdiCoordinateSystem\.vs\GdiCoordinateSystem\v14\.suo
?????目錄???????????0??2019-04-29?15:18??GdiCoordinateSystem\GdiCoordinateSystem\
?????文件????????3767??2019-04-28?11:16??GdiCoordinateSystem\GdiCoordinateSystem\GdiCoordinateSystem.csproj
?????文件????????2397??2019-04-28?09:38??GdiCoordinateSystem\GdiCoordinateSystem\MainForm.Designer.cs
?????文件???????22310??2019-04-29?15:18??GdiCoordinateSystem\GdiCoordinateSystem\MainForm.cs
?????文件????????5817??2019-04-28?09:38??GdiCoordinateSystem\GdiCoordinateSystem\MainForm.resx
?????文件?????????503??2019-04-28?11:16??GdiCoordinateSystem\GdiCoordinateSystem\Program.cs
?????目錄???????????0??2019-04-28?09:22??GdiCoordinateSystem\GdiCoordinateSystem\Properties\
?????文件????????1346??2019-04-28?09:22??GdiCoordinateSystem\GdiCoordinateSystem\Properties\AssemblyInfo.cs
?????文件????????2851??2019-04-28?09:22??GdiCoordinateSystem\GdiCoordinateSystem\Properties\Resources.Designer.cs
?????文件????????5612??2019-04-28?09:22??GdiCoordinateSystem\GdiCoordinateSystem\Properties\Resources.resx
?????文件????????1106??2019-04-28?09:22??GdiCoordinateSystem\GdiCoordinateSystem\Properties\Settings.Designer.cs
?????文件?????????249??2019-04-28?09:22??GdiCoordinateSystem\GdiCoordinateSystem\Properties\Settings.settings
?????目錄???????????0??2019-04-28?09:23??GdiCoordinateSystem\GdiCoordinateSystem\bin\
?????目錄???????????0??2019-04-28?11:21??GdiCoordinateSystem\GdiCoordinateSystem\bin\Debug\
?????文件???????15360??2019-04-29?09:36??GdiCoordinateSystem\GdiCoordinateSystem\bin\Debug\GdiCoordinateSystem.exe
?????文件???????34304??2019-04-29?09:36??GdiCoordinateSystem\GdiCoordinateSystem\bin\Debug\GdiCoordinateSystem.pdb
?????文件???????22688??2019-04-29?10:36??GdiCoordinateSystem\GdiCoordinateSystem\bin\Debug\GdiCoordinateSystem.vshost.exe
?????目錄???????????0??2019-10-21?15:54??GdiCoordinateSystem\GdiCoordinateSystem\bin\Release\
?????目錄???????????0??2019-04-28?09:22??GdiCoordinateSystem\GdiCoordinateSystem\obj\
?????目錄???????????0??2019-04-28?11:16??GdiCoordinateSystem\GdiCoordinateSystem\obj\Debug\
?????文件?????????864??2019-04-28?09:22??GdiCoordinateSystem\GdiCoordinateSystem\obj\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????6969??2019-04-28?09:23??GdiCoordinateSystem\GdiCoordinateSystem\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????文件?????????180??2019-04-28?11:16??GdiCoordinateSystem\GdiCoordinateSystem\obj\Debug\GdiCoordinateSystem.MainForm.resources
?????文件?????????180??2019-04-28?11:16??GdiCoordinateSystem\GdiCoordinateSystem\obj\Debug\GdiCoordinateSystem.Properties.Resources.resources
?????文件????????1013??2019-04-29?10:36??GdiCoordinateSystem\GdiCoordinateSystem\obj\Debug\GdiCoordinateSystem.csproj.FileListAbsolute.txt
?????文件????????1015??2019-04-28?11:16??GdiCoordinateSystem\GdiCoordinateSystem\obj\Debug\GdiCoordinateSystem.csproj.GenerateResource.Cache
............此處省略6個文件信息