using?System;
using?System.Collections.Generic;
using?System.Linq;
using?System.Text;

namespace?Calculator
{
????enum?Op
????{
????????Nothing?=?5
????????Add?=?10
????????Sub?=?20
????????Multi?=?100
????????Div?=?10000
????????Equal=100000
????};


????class?Computer
????{
????????private?Op?op;
????????private?double?result;

????????public?Computer（）
????????{
????????????op?=?Op.Nothing;
????????????result?=?0;
????????}

????????public?void?ClearResult（）
????????{
????????????op?=?Op.Nothing;
????????????result?=?0;
????????}

????????public?double?GetResult（）
????????{
????????????return?result;
????????}



????????public?void?Operation（string?StrOp?double?value）?
????????{
????????????if?（op?==?Op.Nothing）
????????????{
????????????????result?=?value;
????????????}
????????????else
????????????{
????????????????Equal（value）;
????????????}
????????????switch?（StrOp）
????????????{
????????????????case?“+“:
????????????????????op?=?Op.Add;
????????????????????break;
????????????????case?“-“:
????????????????????op?=?Op.Sub;
????????????????????break;
????????????????case?“*“:
????????????????????op?=?Op.Multi;
????????????????????break;
????????????????case?“/“:
????????????????????op?=?Op.Div;
????????????????????break;
????????????????case?“=“:
????????????????????op?=?Op.Equal;
????????????????????break;
????????????
????????????}??????
????????}

????????public?double?Equal（double?value）
????????{
????????????switch?（op）
????????????{
????????????????case?Op.Nothing:
????????????????????break;
????????????????case?Op.Add:
????????????????????result?+=?value;
????????????????????break;
????????????????case?Op.Sub:
????????????????????result?-=?value;
????????????????????break;
????????????????case?Op.Multi:
????????????????????result?*=?value;
????????????????????break;
????????????????case?Op.Div:
????????????????????result?/=?value;
????????????????????break;
????????????????default:
????????????????????return?result;
????????????}
????????????return?result;
????????}


????}
}

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

?????文件??????13824??2011-04-06?17:38??Calculator\bin\Debug\Calculator.exe

?????文件??????36352??2011-04-06?17:38??Calculator\bin\Debug\Calculator.pdb

?????文件??????11608??2011-06-14?21:44??Calculator\bin\Debug\Calculator.vshost.exe

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

?????文件???????4010??2011-04-06?16:38??Calculator\Calculator.csproj

?????文件???????2134??2011-04-02?15:19??Calculator\Class1.cs

?????文件???????3457??2011-04-06?17:38??Calculator\Form1.cs

?????文件??????12601??2011-04-06?17:38??Calculator\Form1.Designer.cs

?????文件???????5814??2011-04-06?17:36??Calculator\Form1.resx

?????文件???????2247??2011-06-14?21:44??Calculator\obj\Debug\Calculator.csproj.FileListAbsolute.txt

?????文件????????847??2011-04-02?15:47??Calculator\obj\Debug\Calculator.csproj.GenerateResource.Cache

?????文件??????13824??2011-04-06?17:38??Calculator\obj\Debug\Calculator.exe

?????文件????????180??2011-04-06?17:36??Calculator\obj\Debug\Calculator.Form1.resources

?????文件??????36352??2011-04-06?17:38??Calculator\obj\Debug\Calculator.pdb

?????文件????????180??2011-04-06?16:44??Calculator\obj\Debug\Calculator.Properties.Resources.resources

?????文件???????4516??2011-04-06?17:38??Calculator\obj\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????6016??2011-04-06?17:38??Calculator\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件????????374??2011-04-06?17:36??Calculator\obj\Debug\GenerateResource-ResGen.read.1.tlog

?????文件????????526??2011-04-06?17:36??Calculator\obj\Debug\GenerateResource-ResGen.write.1.tlog

?????文件????????491??2011-03-28?15:36??Calculator\Program.cs

?????文件???????1376??2011-03-28?15:36??Calculator\Properties\AssemblyInfo.cs

?????文件???????2870??2011-03-28?15:36??Calculator\Properties\Resources.Designer.cs

?????文件???????5612??2011-03-28?15:36??Calculator\Properties\Resources.resx

?????文件???????1095??2011-03-28?15:36??Calculator\Properties\Settings.Designer.cs

?????文件????????249??2011-03-28?15:36??Calculator\Properties\Settings.settings

?????文件????????599??2011-04-06?17:36??Calculator\ShowControl.cs

?????文件???????1042??2011-04-02?15:57??Calculator\ShowControl.Designer.cs

?????文件????????920??2011-04-06?16:38??Calculator.sln

?????目錄??????????0??2011-03-28?15:54??Calculator\obj\Debug\Refactor

?????目錄??????????0??2011-03-28?15:36??Calculator\obj\Debug\TempPE

............此處省略9個文件信息