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?WindowsFormsApplication2
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}
????????//記錄直線或者曲線的對象
????????private?System.Drawing.Drawing2D.GraphicsPath?mousePath?=?new?System.Drawing.Drawing2D.GraphicsPath（）;
????????//畫筆透明度
????????private?int?myAlpha?=?100;
????????//畫筆顏色對象
????????private?Color?myUserColor?=?new?Color（）;
????????//畫筆寬度
????????private?int?myPenWidth?=?3;
????????//簽名的圖片對象
????????public?Bitmap?SavedBitmap;
????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{

????????}

????????private?void?pictureBox1_MouseMove（object?sender?MouseEventArgs?e）
????????{
????????????if?（e.Button?==?System.Windows.Forms.MouseButtons.Left）
????????????{
????????????????try
????????????????{
????????????????????mousePath.AddLine（e.X?e.Y?e.X?e.Y）;
????????????????}
????????????????catch?（Exception?ex）
????????????????{
????????????????????MessageBox.Show（ex.Message）;
????????????????}
????????????}
????????????pictureBox1.Invalidate（）;
????????}

????????private?void?pictureBox1_MouseDown（object?sender?MouseEventArgs?e）
????????{
????????????if?（e.Button?==?System.Windows.Forms.MouseButtons.Left）
????????????{
????????????????mousePath.StartFigure（）;
????????????}
????????}

????????private?void?pictureBox1_Paint（object?sender?PaintEventArgs?e）
????????{
????????????try
????????????{
????????????????myUserColor?=?System.Drawing.Color.Blue;
????????????????myAlpha?=?255;
????????????????Pen?CurrentPen?=?new?Pen（Color.FromArgb（myAlpha?myUserColor）?myPenWidth）;
????????????????e.Graphics.DrawPath（CurrentPen?mousePath）;
????????????}
????????????catch?{?}
????????}

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????pictureBox1.CreateGraphics（）.Clear（Color.White）;
????????????mousePath.Reset（）;
????????}

????????private?void?button2_Click（object?sender?EventArgs?e）
????????{
????????????Bitmap?SavedBitmap?=?new?Bitmap（pictureBox1.Width?pictureBox1.Height）;
????????????pictureBox1.DrawToBitmap（SavedBitmap?new?Rectangle（0?0?pictureBox1.Width?pictureBox1.Height））;
????????????SavedBitmap.Save（“c://1.jpg“?System.Drawing.Imaging.ImageFormat.Jpeg）;
????????????MessageBox.Show（“保存成功！“）;
????????????button1_Click（null?null）;
????????}
????}
}

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

?????文件??????11264??2015-10-19?14:15??WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.exe

?????文件??????26112??2015-10-19?14:15??WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.pdb

?????文件??????11600??2015-10-19?14:15??WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.vshost.exe

?????文件????????490??2010-03-17?22:39??WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.vshost.exe.manifest

?????文件???????2667??2015-10-19?14:15??WindowsFormsApplication2\WindowsFormsApplication2\Form1.cs

?????文件???????3936??2015-10-19?14:15??WindowsFormsApplication2\WindowsFormsApplication2\Form1.Designer.cs

?????文件???????5817??2015-10-19?14:15??WindowsFormsApplication2\WindowsFormsApplication2\Form1.resx

?????文件???????2867??2015-10-19?14:00??WindowsFormsApplication2\WindowsFormsApplication2\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????6374??2015-10-19?14:15??WindowsFormsApplication2\WindowsFormsApplication2\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件????????799??2015-10-19?14:15??WindowsFormsApplication2\WindowsFormsApplication2\obj\x86\Debug\WindowsFormsApplication2.csproj.FileListAbsolute.txt

?????文件????????975??2015-10-19?14:12??WindowsFormsApplication2\WindowsFormsApplication2\obj\x86\Debug\WindowsFormsApplication2.csproj.GenerateResource.Cache

?????文件??????11264??2015-10-19?14:15??WindowsFormsApplication2\WindowsFormsApplication2\obj\x86\Debug\WindowsFormsApplication2.exe

?????文件????????180??2015-10-19?14:12??WindowsFormsApplication2\WindowsFormsApplication2\obj\x86\Debug\WindowsFormsApplication2.Form1.resources

?????文件??????26112??2015-10-19?14:15??WindowsFormsApplication2\WindowsFormsApplication2\obj\x86\Debug\WindowsFormsApplication2.pdb

?????文件????????180??2015-10-19?14:06??WindowsFormsApplication2\WindowsFormsApplication2\obj\x86\Debug\WindowsFormsApplication2.Properties.Resources.resources

?????文件????????505??2015-10-19?14:00??WindowsFormsApplication2\WindowsFormsApplication2\Program.cs

?????文件???????1398??2015-10-19?14:00??WindowsFormsApplication2\WindowsFormsApplication2\Properties\AssemblyInfo.cs

?????文件???????2900??2015-10-19?14:00??WindowsFormsApplication2\WindowsFormsApplication2\Properties\Resources.Designer.cs

?????文件???????5612??2015-10-19?14:00??WindowsFormsApplication2\WindowsFormsApplication2\Properties\Resources.resx

?????文件???????1111??2015-10-19?14:00??WindowsFormsApplication2\WindowsFormsApplication2\Properties\Settings.Designer.cs

?????文件????????249??2015-10-19?14:00??WindowsFormsApplication2\WindowsFormsApplication2\Properties\Settings.settings

?????文件???????3707??2015-10-19?14:06??WindowsFormsApplication2\WindowsFormsApplication2\WindowsFormsApplication2.csproj

?????文件????????914??2015-10-19?14:00??WindowsFormsApplication2\WindowsFormsApplication2.sln

????..A..H.?????19456??2015-10-19?14:15??WindowsFormsApplication2\WindowsFormsApplication2.suo

?????目錄??????????0??2015-10-19?14:00??WindowsFormsApplication2\WindowsFormsApplication2\obj\x86\Debug\TempPE

?????目錄??????????0??2015-10-19?14:15??WindowsFormsApplication2\WindowsFormsApplication2\obj\x86\Debug

?????目錄??????????0??2015-10-19?14:06??WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug

?????目錄??????????0??2015-10-19?14:00??WindowsFormsApplication2\WindowsFormsApplication2\obj\x86

?????目錄??????????0??2015-10-19?14:00??WindowsFormsApplication2\WindowsFormsApplication2\bin

?????目錄??????????0??2015-10-19?14:00??WindowsFormsApplication2\WindowsFormsApplication2\obj

............此處省略6個文件信息