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

namespace?坐標正反算
{
????public?partial?class?Frm_SF?:?Form
????{
????????public?Frm_SF（）
????????{
????????????InitializeComponent（）;
????????}
????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????Double?a1?a2?a3?a4a5;
????????????Int32?a7a8;
????????????if?（textBox4.Text?==?““）
????????????{
????????????????MessageBox.Show（“坐標不能為空“）;
????????????????textBox4.Focus（）;
????????????}
????????????else
????????????{
????????????????a1?=?Convert.ToDouble（textBox1.Text）;
????????????????a2?=?Convert.ToDouble（textBox2.Text）;
????????????????a3?=?Convert.ToDouble（textBox3.Text）;
????????????????a4?=?Convert.ToDouble（textBox4.Text）;
????????????????a1?=?a3?-?a1;
????????????????a2?=?a4?-?a2;
????????????????if?（a1?==?0?&&?a2?==?0）
????????????????{
????????????????????MessageBox.Show（“數據錯誤，兩個已知點坐標不能相等“）;
????????????????????button2_Click（sender?e）;
????????????????}
????????????????else
????????????????{
????????????????????a5?=?Math.Sqrt（a1?*?a1?+?a2?*?a2）;
????????????????????label8.Text?=?a5.ToString（“f3“）;
????????????????????a5?=?Math.Atan（a2?/?a1）;
????????????????????a5?=?a5?*?180?/?Math.PI?*?60?*?60;
????????????????????a7?=?Convert.ToInt32（a5）;
????????????????????if?（a1?????????????????????????a7?=?180?*?60?*?60?+?a7;
????????????????????else?if?（a1?==?0?&&?a2?????????????????????????a7?=?360?*?60?*?60?+?a7;
????????????????????else?if?（a1??0）
????????????????????????a7?=?90?*?60?*?60?-?a7;
????????????????????else?if?（a1?????????????????????????a7?=?180?*?60?*?60;
????????????????????else?if?（a1?>?0?&&?a2?????????????????????????a7?=?270?*?60?*?60?-?a7;
????????????????????a8?=?a7?%?60;
????????????????????label11.Text?=?Convert.ToString（a8）;
????????????????????a8?=?a7?/?60;
????????????????????a7?=?a8?%?60;
????????????????????label10.Text?=?Convert.ToString（a7）;
????????????????????a8?=?a8?/?60;
????????????????????label9.Text?=?Convert.ToString（a8）;
????????????????}
????????????}
????????}

????????private?void?button4_Click（object?sender?EventArgs?e）
????????{
????????????Application.Exit（）;
????????}

????????private?void?button3_Click（object?sender?EventArgs?e）
????????{
????????????Frm_ZS?z?=?new?Frm_ZS（）;
????????????z.Show（）;
????????????this.Hide（）;
????????}

????????private?void?button2_Click（object?sender?EventArgs?e）
????????{
????????????textBox1.Text?=?““;
????????????textBox1.BackColor?=?Color.White;
????????????textBox2.Text?=?““;
????????????textBox2.BackColor?=?Color.White;
????????????textBox3.Text?=?““;
????????????textBox3.BackColor?=?Color.White;
????????????textBox4.Text?=?““;
????????????textBox4.BackColor?=?Color.White;
????????????la

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

?????文件???????1634??2013-06-03?19:59??坐標正反算\UpgradeLog.xml

?????文件???????3348??2013-06-03?19:59??坐標正反算\_UpgradeReport_Files\UpgradeReport.css

?????文件??????12505??2010-05-04?01:19??坐標正反算\_UpgradeReport_Files\UpgradeReport.xslt

?????文件?????????69??2013-06-03?19:59??坐標正反算\_UpgradeReport_Files\UpgradeReport_Minus.gif

?????文件?????????71??2013-06-03?19:59??坐標正反算\_UpgradeReport_Files\UpgradeReport_Plus.gif

?????文件??????28160??2013-06-05?22:23??坐標正反算\坐標正反算\bin\Debug\坐標正反算.exe

?????文件??????40448??2013-06-05?22:23??坐標正反算\坐標正反算\bin\Debug\坐標正反算.pdb

?????文件??????14328??2013-06-18?12:37??坐標正反算\坐標正反算\bin\Debug\坐標正反算.vshost.exe

?????文件????????490??2009-06-11?05:14??坐標正反算\坐標正反算\bin\Debug\坐標正反算.vshost.exe.manifest

?????文件???????4359??2013-06-05?22:23??坐標正反算\坐標正反算\Frm_SF.cs

?????文件??????16694??2013-06-05?22:23??坐標正反算\坐標正反算\Frm_SF.Designer.cs

?????文件??????11037??2013-06-05?22:23??坐標正反算\坐標正反算\Frm_SF.resx

?????文件???????4879??2013-06-05?22:23??坐標正反算\坐標正反算\Frm_ZS.cs

?????文件??????17024??2013-06-05?22:23??坐標正反算\坐標正反算\Frm_ZS.Designer.cs

?????文件??????11037??2013-06-05?22:23??坐標正反算\坐標正反算\Frm_ZS.resx

?????文件???????5284??2013-06-03?20:00??坐標正反算\坐標正反算\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件???????4608??2013-06-03?19:59??坐標正反算\坐標正反算\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll

?????文件???????1466??2013-06-18?12:37??坐標正反算\坐標正反算\obj\Debug\坐標正反算.csproj.FileListAbsolute.txt

?????文件????????907??2013-06-05?22:23??坐標正反算\坐標正反算\obj\Debug\坐標正反算.csproj.GenerateResource.Cache

?????文件??????28160??2013-06-05?22:23??坐標正反算\坐標正反算\obj\Debug\坐標正反算.exe

?????文件???????3770??2013-06-05?22:23??坐標正反算\坐標正反算\obj\Debug\坐標正反算.Frm_SF.resources

?????文件???????3770??2013-06-05?22:23??坐標正反算\坐標正反算\obj\Debug\坐標正反算.Frm_ZS.resources

?????文件??????40448??2013-06-05?22:23??坐標正反算\坐標正反算\obj\Debug\坐標正反算.pdb

?????文件????????180??2013-06-03?20:00??坐標正反算\坐標正反算\obj\Debug\坐標正反算.Properties.Resources.resources

?????文件????????369??2013-06-03?14:54??坐標正反算\坐標正反算\obj\坐標正反算.csproj.FileList.txt

?????文件????????475??2013-06-03?14:14??坐標正反算\坐標正反算\Program.cs

?????文件???????1202??2013-06-03?13:54??坐標正反算\坐標正反算\Properties\AssemblyInfo.cs

?????文件???????2868??2013-06-03?19:59??坐標正反算\坐標正反算\Properties\Resources.Designer.cs

?????文件???????5612??2013-06-03?13:54??坐標正反算\坐標正反算\Properties\Resources.resx

?????文件???????1113??2013-06-03?19:59??坐標正反算\坐標正反算\Properties\Settings.Designer.cs

............此處省略18個文件信息