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?Calculator
{
????public?partial?class?Form1?:?Form
????{
????????Double?value?=?0;
????????string?operation?=?““;
????????bool?operation_pressed?=?false;
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?button_Click（object?sender?EventArgs?e）
????????{
????????????if?（（result.Text?==?“0“）||（operation_pressed））
????????????????result.Clear（）;

????????????operation_pressed?=?false;
????????????Button?b?=?（Button）sender;
????????????result.Text?=?result.Text?+?b.Text;
????????}

????????private?void?button14_Click（object?sender?EventArgs?e）
????????{
????????????result.Text?=?“0“;
????????}

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

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

????..A..H.?????49664??2016-04-12?14:15??Calculator\.vs\Calculator\v14\.suo

?????文件?????363566??2016-04-11?12:08??Calculator\Calculator\135.ico

?????文件????????189??2016-04-11?10:09??Calculator\Calculator\App.config

?????文件?????378368??2016-04-11?12:25??Calculator\Calculator\bin\Debug\Calculator.exe

?????文件????????189??2016-04-11?10:09??Calculator\Calculator\bin\Debug\Calculator.exe.config

?????文件??????22016??2016-04-11?12:25??Calculator\Calculator\bin\Debug\Calculator.pdb

?????文件??????22696??2016-04-11?12:25??Calculator\Calculator\bin\Debug\Calculator.vshost.exe

?????文件????????189??2016-04-11?10:09??Calculator\Calculator\bin\Debug\Calculator.vshost.exe.config

?????文件????????189??2016-04-11?10:09??Calculator\Calculator\bin\Release\Calculator.exe.config

?????文件??????22016??2016-04-11?12:24??Calculator\Calculator\bin\Release\Calculator.pdb

?????文件??????22696??2016-04-11?12:06??Calculator\Calculator\bin\Release\Calculator.vshost.exe

?????文件????????189??2016-04-11?10:09??Calculator\Calculator\bin\Release\Calculator.vshost.exe.config

?????文件????????490??2015-10-30?15:19??Calculator\Calculator\bin\Release\Calculator.vshost.exe.manifest

?????文件???????4071??2016-04-11?12:09??Calculator\Calculator\Calculator.csproj

?????文件???????2205??2016-04-11?12:24??Calculator\Calculator\Form1.cs

?????文件??????17155??2016-04-11?12:06??Calculator\Calculator\Form1.Designer.cs

?????文件???????5817??2016-04-11?12:06??Calculator\Calculator\Form1.resx

?????文件????????504??2016-04-11?12:25??Calculator\Calculator\obj\Debug\Calculator.csproj.FileListAbsolute.txt

?????文件???????1012??2016-04-11?12:25??Calculator\Calculator\obj\Debug\Calculator.csproj.GenerateResource.Cache

?????文件?????378368??2016-04-11?12:25??Calculator\Calculator\obj\Debug\Calculator.exe

?????文件????????180??2016-04-11?12:25??Calculator\Calculator\obj\Debug\Calculator.Form1.resources

?????文件??????22016??2016-04-11?12:25??Calculator\Calculator\obj\Debug\Calculator.pdb

?????文件????????180??2016-04-11?12:25??Calculator\Calculator\obj\Debug\Calculator.Properties.Resources.resources

?????文件????????868??2016-04-11?10:09??Calculator\Calculator\obj\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????7149??2016-04-11?12:25??Calculator\Calculator\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件??????????0??2016-04-11?10:09??Calculator\Calculator\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs

?????文件??????????0??2016-04-11?10:09??Calculator\Calculator\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs

?????文件??????????0??2016-04-11?10:09??Calculator\Calculator\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs

?????文件????????520??2016-04-11?12:24??Calculator\Calculator\obj\Release\Calculator.csproj.FileListAbsolute.txt

?????文件???????1012??2016-04-11?12:24??Calculator\Calculator\obj\Release\Calculator.csproj.GenerateResource.Cache

............此處省略31個文件信息