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?WindowsFormsApplication1
{
????public?partial?class?Form1?:?Form
????{
????????Bitmap?bitmap;
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}
????????int?x?y;
????????public?bool?bl?=?false;
????????int?width?=?2;
????????Color?selectcolor?=?Color.Black;
????????Graphics?g;
????????private?void?Form1_Paint（object?sender?PaintEventArgs?e）
????????{
????????}??

????????public?void??button1_Click（object?sender?EventArgs?e）//調用系統自帶的顏色對話框
????????{
????????????if?（this.colorDialog1.ShowDialog（）?==?DialogResult.OK）
????????????{
????????????????selectcolor?=?colorDialog1.Color;
????????????}
????????}


????????private?void?button3_Click（object?sender?EventArgs?e）//清除畫板
????????{
????????????bitmap.Dispose（）;
????????????Bitmap?bitmap1?=?new?Bitmap（pictureBox1.Width?pictureBox1.Height）;
????????????bitmap?=?bitmap1;
???????????//?g.Clear（Color.White）;
????????}

????????private?void?button4_Click（object?sender?EventArgs?e）?//保存圖象??
????????{
???????????bitmap.Save?（“D:\\a.bmp?“）;
???????????MessageBox.Show（“保存成功“）;
????????
????????}

????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{
????????????bitmap?=?new?Bitmap（pictureBox1.Width?pictureBox1.Height）;
????????}

????????private?void?pictureBox1_MouseMove_1（object?sender?MouseEventArgs?e）//開始畫圖
????????{
????????????Point?PtEnd?=?new?Point（e.X?e.Y）;
????????????Point?PtStart?=?new?Point（x?y）;
????????????Pen?pen?=?new?Pen（selectcolor?width）;
????????????if?（bl?==?true）
????????????{
????????????????g?=?Graphics.FromImage（bitmap）;
????????????????g.DrawLine（pen?PtStart?PtEnd）;
????????????????g.Dispose（）;
?????????????
????????????}
????????????this.pictureBox1.Image?=?bitmap;
????????????x?=?e.X;
????????????y?=?e.Y;
????????}

????????private?void?pictureBox1_MouseDown_1（object?sender?MouseEventArgs?e）
????????{
????????????x?=?e.X;
????????????y?=?e.Y;
????????????bl?=?true;
????????}

????????private?void?pictureBox1_MouseUp_1（object?sender?MouseEventArgs?e）
????????{
????????????bl?=?false;
????????}

????????private?void?numericUpDown1_ValueChanged（object?sender?EventArgs?e）
????????{
????????????width?=?（int）numericUpDown1.Value;
????????}

????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-05-31?18:42??WindowsFormsApplication1\
?????目錄???????????0??2013-05-31?18:42??WindowsFormsApplication1\Backup\
?????目錄???????????0??2013-05-31?18:42??WindowsFormsApplication1\Backup\WindowsFormsApplication1\
?????文件?????????962??2011-10-27?18:30??WindowsFormsApplication1\Backup\WindowsFormsApplication1.sln
?????文件???????18944??2011-11-19?14:11??WindowsFormsApplication1\Backup\WindowsFormsApplication1.suo
?????文件????????2550??2011-11-19?13:30??WindowsFormsApplication1\Backup\WindowsFormsApplication1\Form1.cs
?????文件????????6982??2011-11-18?08:29??WindowsFormsApplication1\Backup\WindowsFormsApplication1\Form1.Designer.cs
?????文件????????6014??2011-11-18?08:29??WindowsFormsApplication1\Backup\WindowsFormsApplication1\Form1.resx
?????文件?????????505??2011-10-27?18:30??WindowsFormsApplication1\Backup\WindowsFormsApplication1\Program.cs
?????目錄???????????0??2013-05-31?18:42??WindowsFormsApplication1\Backup\WindowsFormsApplication1\Properties\
?????文件????????1404??2011-10-27?18:30??WindowsFormsApplication1\Backup\WindowsFormsApplication1\Properties\AssemblyInfo.cs
?????文件????????2898??2011-10-27?18:30??WindowsFormsApplication1\Backup\WindowsFormsApplication1\Properties\Resources.Designer.cs
?????文件????????5612??2011-10-27?18:30??WindowsFormsApplication1\Backup\WindowsFormsApplication1\Properties\Resources.resx
?????文件????????1109??2011-10-27?18:30??WindowsFormsApplication1\Backup\WindowsFormsApplication1\Properties\Settings.Designer.cs
?????文件?????????249??2011-10-27?18:30??WindowsFormsApplication1\Backup\WindowsFormsApplication1\Properties\Settings.settings
?????文件????????3759??2011-10-27?18:53??WindowsFormsApplication1\Backup\WindowsFormsApplication1\WindowsFormsApplication1.csproj
?????文件????????4544??2013-04-02?19:09??WindowsFormsApplication1\UpgradeLog.xml
?????目錄???????????0??2013-05-31?18:42??WindowsFormsApplication1\WindowsFormsApplication1\
?????文件?????????962??2013-04-02?19:09??WindowsFormsApplication1\WindowsFormsApplication1.sln
?????文件???????23040??2013-04-02?19:36??WindowsFormsApplication1\WindowsFormsApplication1.suo
?????目錄???????????0??2013-05-31?18:42??WindowsFormsApplication1\WindowsFormsApplication1\bin\
?????目錄???????????0??2013-05-31?18:42??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\
?????文件???????10240??2013-04-02?19:20??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.exe
?????文件???????34304??2013-04-02?19:20??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.pdb
?????文件???????11608??2013-04-02?19:36??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.vshost.exe
?????文件?????????490??2010-03-17?22:39??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.vshost.exe.manifest
?????目錄???????????0??2013-04-02?19:09??WindowsFormsApplication1\WindowsFormsApplication1\bin\Release\
?????文件????????2194??2013-04-02?19:19??WindowsFormsApplication1\WindowsFormsApplication1\Form1.cs
?????文件????????4510??2013-04-02?19:19??WindowsFormsApplication1\WindowsFormsApplication1\Form1.Designer.cs
?????文件????????6014??2013-04-02?19:19??WindowsFormsApplication1\WindowsFormsApplication1\Form1.resx
?????目錄???????????0??2013-05-31?18:42??WindowsFormsApplication1\WindowsFormsApplication1\obj\
............此處省略25個文件信息