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

namespace?WindowsFormsApplication2
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}
????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{

????????}
????????System.Diagnostics.Stopwatch?sw;

????????private?void?button2_Click（object?sender?EventArgs?e）
????????{
????????????sw.Start（）;
????????????timer1.Start（）;
????????}

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????sw?=?new?System.Diagnostics.Stopwatch（）;
????????????sw.Start（）;
????????????timer1.Start（）;

????????}

????????private?void?timer1_Tick（object?sender?EventArgs?e）
????????{
???????????TimeSpan?ts?=?sw.Elapsed;
???????????label.Text?=?string.Format（“{0}日:{1}時:{2}分:{3}秒:{4}毫秒“?ts.Days?ts.Hours?ts.Minutes?ts.Seconds?ts.Milliseconds?/?10）;
????????}

????????private?void?button3_Click（object?sender?EventArgs?e）
????????{

????????????string[]?sMystring;
????????????OpenFileDialog?ofdMyofd?=?new?OpenFileDialog（）;
???????????//?ofdMyofd.FileName?=?“Please?Select?Picture“;
????????????ofdMyofd.Filter?=?“b.jpg|*.*“;
????????????if?（ofdMyofd.ShowDialog（）?==?DialogResult.OK）
????????????{
????????????????sMystring?=?ofdMyofd.FileNames;
????????????????this.BackgroundImage?=?Image.FromFile（sMystring[0]）;
????????????}????
????????}

????????private?void?label1_Click（object?sender?EventArgs?e）
????????{

????????}

????????private?void?button4_Click（object?sender?EventArgs?e）
????????{
????????????sw.Stop（）;
????????????TimeSpan?ts?=?sw.Elapsed;
????????????label.Text?=?string.Format（“{0}日:{1}時:{2}分:{3}秒:{4}毫秒“?ts.Days?ts.Hours?ts.Minutes?ts.Seconds?ts.Milliseconds?/?10）;
?????
????????}

????????private?void?textBox1_TextChanged（object?sender?EventArgs?e）
????????{

????????}

????????private?void?button5_Click（object?sender?EventArgs?e）
????????{
????????????listBox1.Items.Add（label.Text）;
??????????//??this.listBox1.SelectedIndex?=?this.listBox1.Items.Count?-?1;
???????????//?this.listBox1.SelectedIndex?=?-1;
????????}

????????private?void?listBox1_SelectedIndexChanged（object?sender?EventArgs?e）
????????{

????????}

????????private?void?label1_Click_1（object?sender?EventArgs?e）
????????{

????????}

????????private?void?button6_Click（object?sender?EventArgs?e）
????????{
????????????label.Text?=?“00:00:00“;
????????}
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-05-04?19:14??WindowsFormsApplication2\
?????目錄???????????0??2017-05-04?19:15??WindowsFormsApplication2\WindowsFormsApplication2\
?????文件?????????962??2017-05-04?19:14??WindowsFormsApplication2\WindowsFormsApplication2.sln
?????文件???????39936??2017-05-05?21:30??WindowsFormsApplication2\WindowsFormsApplication2.v11.suo
?????文件?????????189??2017-05-04?19:14??WindowsFormsApplication2\WindowsFormsApplication2\App.config
?????目錄???????????0??2017-05-04?19:14??WindowsFormsApplication2\WindowsFormsApplication2\bin\
?????目錄???????????0??2017-05-04?19:30??WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\
?????文件?????1298944??2017-05-04?20:47??WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.exe
?????文件?????????189??2017-05-04?19:14??WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.exe.config
?????文件???????30208??2017-05-04?20:47??WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.pdb
?????文件???????22984??2017-05-06?11:30??WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.vshost.exe
?????文件?????????189??2017-05-04?19:14??WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.vshost.exe.config
?????文件?????????490??2013-06-18?20:28??WindowsFormsApplication2\WindowsFormsApplication2\bin\Debug\WindowsFormsApplication2.vshost.exe.manifest
?????文件????????2714??2017-05-04?20:47??WindowsFormsApplication2\WindowsFormsApplication2\Form1.cs
?????文件????????9972??2017-05-04?20:47??WindowsFormsApplication2\WindowsFormsApplication2\Form1.Designer.cs
?????文件?????1934870??2017-05-04?20:47??WindowsFormsApplication2\WindowsFormsApplication2\Form1.resx
?????目錄???????????0??2017-05-04?19:14??WindowsFormsApplication2\WindowsFormsApplication2\obj\
?????目錄???????????0??2017-05-05?21:25??WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\
?????文件????????1318??2017-05-05?21:25??WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????7247??2017-05-04?19:15??WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????文件???????????0??2017-05-04?19:14??WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
?????文件???????????0??2017-05-04?19:14??WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
?????文件???????????0??2017-05-04?19:14??WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
?????目錄???????????0??2017-05-04?19:14??WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\TempPE\
?????文件????????1374??2017-05-06?11:30??WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\WindowsFormsApplication2.csproj.FileListAbsolute.txt
?????文件?????????975??2017-05-04?20:47??WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\WindowsFormsApplication2.csproj.GenerateResource.Cache
?????文件????????2231??2017-05-04?19:29??WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\WindowsFormsApplication2.csprojResolveAssemblyReference.cache
?????文件?????1298944??2017-05-04?20:47??WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\WindowsFormsApplication2.exe
?????文件?????1286028??2017-05-04?20:47??WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\WindowsFormsApplication2.Form1.resources
?????文件???????30208??2017-05-04?20:47??WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\WindowsFormsApplication2.pdb
?????文件?????????180??2017-05-04?19:29??WindowsFormsApplication2\WindowsFormsApplication2\obj\Debug\WindowsFormsApplication2.Properties.Resources.resources
............此處省略8個文件信息