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?MyCalculator?:?Form
????{

????????double?a?=?0;
????????double?b?=?0;
????????bool?c?=?false;
????????string?d;

????????public?MyCalculator（）
????????{
????????????InitializeComponent（）;

????????}

????????///?

????????///?窗體加載?結(jié)果默認(rèn)空字符
????????///?

????????///?
????????///?
????????private?void?MyCalculator_Load（object?sender?EventArgs?e）
????????{
????????????txtResult.Text?=?““;
????????????txtResult.TextAlign?=?Horizonta

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-08-15?12:10??.vs\
?????目錄???????????0??2019-08-15?12:10??.vs\Calculator\
?????目錄???????????0??2019-08-15?12:10??.vs\Calculator\v14\
?????文件???????47104??2019-09-10?15:40??.vs\Calculator\v14\.suo
?????文件?????????997??2019-08-15?12:10??Calculator.sln
?????目錄???????????0??2019-09-10?15:54??Calculator\
?????文件?????????184??2019-08-15?12:16??Calculator\App.config
?????目錄???????????0??2019-08-15?12:11??Calculator\bin\
?????目錄???????????0??2019-09-10?15:55??Calculator\bin\Debug\
?????文件????????4096??2018-08-03?09:26??Calculator\bin\Debug\AnotherAssembly.dll
?????文件????????7680??2018-08-03?09:26??Calculator\bin\Debug\AnotherAssembly.pdb
?????文件??????153600??2019-09-10?15:55??Calculator\bin\Debug\Calculator.exe
?????文件?????????184??2019-08-15?12:16??Calculator\bin\Debug\Calculator.exe.config
?????文件???????30208??2019-09-10?15:55??Calculator\bin\Debug\Calculator.pdb
?????文件???????22696??2019-09-10?15:41??Calculator\bin\Debug\Calculator.vshost.exe
?????文件?????????184??2019-08-15?12:16??Calculator\bin\Debug\Calculator.vshost.exe.config
?????文件?????????490??2019-03-19?12:46??Calculator\bin\Debug\Calculator.vshost.exe.manifest
?????文件????????5632??2018-08-03?09:26??Calculator\bin\Debug\ControlCal.exe
?????文件?????????189??2018-07-31?11:13??Calculator\bin\Debug\ControlCal.exe.config
?????文件???????15872??2018-08-03?09:26??Calculator\bin\Debug\ControlCal.pdb
?????文件???????22696??2018-08-02?11:15??Calculator\bin\Debug\ControlCal.vshost.exe
?????文件?????????189??2018-07-31?11:13??Calculator\bin\Debug\ControlCal.vshost.exe.config
?????文件?????????490??2018-04-12?07:35??Calculator\bin\Debug\ControlCal.vshost.exe.manifest
?????目錄???????????0??2019-08-15?12:11??Calculator\bin\Debug\de\
?????文件??????179496??2018-12-13?15:55??Calculator\bin\Debug\de\DevExpress.Data.v15.1.resources.dll
?????文件???????14120??2018-12-13?15:55??Calculator\bin\Debug\de\DevExpress.Printing.v15.1.Core.resources.dll
?????文件???????12072??2018-12-13?15:55??Calculator\bin\Debug\de\DevExpress.Sparkline.v15.1.Core.resources.dll
?????文件???????26408??2018-12-13?15:55??Calculator\bin\Debug\de\DevExpress.Utils.v15.1.resources.dll
?????文件??????105256??2018-12-13?15:55??Calculator\bin\Debug\de\DevExpress.XtraEditors.v15.1.resources.dll
?????文件?????3694376??2018-12-13?15:55??Calculator\bin\Debug\DevExpress.Data.v15.1.dll
?????文件?????1147587??2018-12-13?15:55??Calculator\bin\Debug\DevExpress.Data.v15.1.xml
............此處省略54個(gè)文件信息