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;

namespace?GDIDemo
{
????public?partial?class?Form1?:?Form
????{
????????Bitmap?originImg;
????????Image?finishImg;
????????Graphics?g;
????????DrawType?dType;
????????Point?StartPoint?EndPoint?FontPoint;
????????Pen?p?=?new?Pen（Color.Black?1）;
????????bool?IsDraw;
????????Font?font;
????????Rectangle?FontRect;
????????///?
??
????????///?畫筆顏色??
????????///?
??
????????Color?DrawColor
????????{
????????????get?{?return?p.Color;?}
????????????set?{?p.Color?=?value;?}
????????}
????????///?
??
????????///?畫筆寬度??
????????///?
??
????????float?PenWidth
????????{
????????????set?{?p.Width?=?value;?}
????????}

????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????????cmbThickness.SelectedIndex?=?0;
????????????//將文本輸入框的父容器設為picDraw，否則顯示時會出現錯位??
????????????txtWrite.Parent?=?picDraw;

????????????this.Setstyle（Controlstyles.OptimizedDoubleBuffer?|?Controlstyles.AllPaintingInWmPaint?|?Controlstyles.UserPaint?true）;
????????????this.Updatestyles（）;

????????????//將線帽樣式設為圓線帽，否則筆寬變寬時會出現明顯的缺口??
????????????p.StartCap?=?LineCap.Round;
????????????p.EndCap?=?LineCap.Round;

????????????originImg?=?new?Bitmap（picDraw.Width?picDraw.Height）;
????????????g?=?Graphics.FromImage（originImg）;
????????????//畫布背景初始化為白底??
????????????g.Clear（Color.White）;

????????????picDraw.Image?=?originImg;
????????????finishImg?=?（Image）originImg.Clone（）;
????????}

????????private?void?btnArrow_Click（object?sender?EventArgs?e）
????????{
????????????dType?=?DrawType.None;
????????????txtWrite.Visible?=?false;
????????????txtWrite.Text?=?““;
????????}

????????private?void?btnPen_Click（object?sender?EventArgs?e）
????????{
????????????dType?=?DrawType.Pen;
????????????txtWrite.Visible?=?false;
????????????txtWrite.Text?=?““;
????????}

????????private?void?btnLine_Click（object?sender?EventArgs?e）
????????{
????????????dType?=?DrawType.Line;
????????????txtWrite.Visible?=?false;
????????????txtWrite.Text?=?““;
????????}

????????private?void?btnRect_Click（object?sender?EventArgs?e）
????????{
????????????dType?=?DrawType.Rect;
????????????txtWrite.Visible?=?false;
????????????txtWrite.Text?=?““;
????????}

????????private?void?btnEllipse_Click（object?sender?EventArgs?e）
????????{
????????????dType?=?DrawType.Ellipse;
????????????txtWrite.Visible?=?false;
????????????txtWrite.Text?=?““;
????????}

????????private?void?btnEraser_Click（object?sender?EventArgs?e）
????????{
????????????dType?=?DrawType.Eraser;
????????????txtWrite.Visible?=?false;
????????????txtWrite.Text?=?““;
????????}

????????private?void?btnWrite_Click（object?sender?EventArgs?e）
????????{
????????????dType?=?DrawType.Write;
????????????FontDialog?fd?=?ne

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????17408??2015-06-30?11:15??GDIDemo\bin\Debug\GDIDemo.exe

?????文件??????34304??2015-06-30?11:15??GDIDemo\bin\Debug\GDIDemo.pdb

?????文件??????11608??2015-06-30?11:15??GDIDemo\bin\Debug\GDIDemo.vshost.exe

?????文件????????490??2013-03-18?17:00??GDIDemo\bin\Debug\GDIDemo.vshost.exe.manifest

?????文件??????11529??2015-06-30?11:15??GDIDemo\Form1.cs

?????文件??????11691??2015-06-30?11:15??GDIDemo\Form1.Designer.cs

?????文件???????5817??2015-06-30?11:15??GDIDemo\Form1.resx

?????文件???????3421??2015-06-30?11:03??GDIDemo\GDIDemo.csproj

?????文件???????5452??2015-06-30?11:15??GDIDemo\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件????????834??2015-06-30?11:15??GDIDemo\obj\x86\Debug\GDIDemo.csproj.FileListAbsolute.txt

?????文件????????975??2015-06-30?11:15??GDIDemo\obj\x86\Debug\GDIDemo.csproj.GenerateResource.Cache

?????文件??????17408??2015-06-30?11:15??GDIDemo\obj\x86\Debug\GDIDemo.exe

?????文件????????180??2015-06-30?11:15??GDIDemo\obj\x86\Debug\GDIDemo.Form1.resources

?????文件??????34304??2015-06-30?11:15??GDIDemo\obj\x86\Debug\GDIDemo.pdb

?????文件????????180??2015-06-30?11:11??GDIDemo\obj\x86\Debug\GDIDemo.Properties.Resources.resources

?????文件????????468??2015-06-30?10:53??GDIDemo\Program.cs

?????文件???????1364??2015-06-30?10:53??GDIDemo\Properties\AssemblyInfo.cs

?????文件???????2866??2015-06-30?10:53??GDIDemo\Properties\Resources.Designer.cs

?????文件???????5612??2015-06-30?10:53??GDIDemo\Properties\Resources.resx

?????文件???????1094??2015-06-30?10:53??GDIDemo\Properties\Settings.Designer.cs

?????文件????????249??2015-06-30?10:53??GDIDemo\Properties\Settings.settings

?????目錄??????????0??2015-06-30?10:53??GDIDemo\obj\x86\Debug\TempPE

?????目錄??????????0??2015-06-30?11:15??GDIDemo\obj\x86\Debug

?????目錄??????????0??2015-06-30?11:11??GDIDemo\bin\Debug

?????目錄??????????0??2015-06-30?10:53??GDIDemo\obj\x86

?????目錄??????????0??2015-06-30?10:53??GDIDemo\bin

?????目錄??????????0??2015-06-30?10:53??GDIDemo\obj

?????目錄??????????0??2015-06-30?10:53??GDIDemo\Properties

?????目錄??????????0??2015-06-30?10:54??GDIDemo

-----------?---------??----------?-----??----

............此處省略2個文件信息