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

namespace?WindowsFormsApplication4
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????????comboBox1.Items.Add（“方波“）;
????????????comboBox1.Items.Add（“三角波“）;
????????????comboBox1.Items.Add（“正弦波“）;
????????}
????????public?bool?checkVpp（string?Vpp）
????????{
????????????float?result?;
????????????if?（Vpp?==?String.Empty）
????????????{
????????????????MessageBox.Show（“Vpp不能為空“）;
????????????????return?false;
????????????}
????????????????else?if（!float.TryParse（Vpp?out?result））
????????????{
????????????????MessageBox.Show（“Vpp僅能為純數字“）;
????????????????return?false;
????????????}
????????????else?return?true;
????????}?????//針對Vpp的檢查
????????public?bool?checkfre（string?Fre）
????????{
????????????float?result;
????????????if?（Fre?==?String.Empty）
????????????{
????????????????MessageBox.Show（“Frequency不能為空“）;
????????????????return?false;
????????????}
????????????else?if?（!float.TryParse（Fre?out?result））
????????????{
????????????????MessageBox.Show（“Frequency僅能為純數字“）;
????????????????return?false;
????????????}
????????????else?return?true;
????????}?????//針對Frequency的檢查
????????public?void?fangbo（float?V?float?fre）
????????{
????????????double?t?=?0;
????????????for?（t?=?0;?t?<=?2?*?Math.PI;?t?+=?0.01）
????????????{

????????????????int?n?=?（int）（2?*?t?*?fre）;
????????????????if（n?%?2==0）??????????????????????????????//判斷是否處于低電平
????????????????????chart1.Series[“Channel?1“].Points.AddXY（t?0）;
????????????????else
????????????????????chart1.Series[“Channel?1“].Points.AddXY（t?V）;
????????????????
?????????????
????????????}
????????}?????//方波函數
????????public?void?sanjiao（float?V?float?fre）
????????{
????????????double?k?=?2?*?V?*?fre;????//k是斜率
????????????double?t?=?0;
????????????
????????????for?（t?=?0;?t?<=?2?*?Math.PI;?t?+=?0.01）
????????????{
????????????????int?n?=?（int）（2?*?t?*?fre）;
????????????????if?（n?%?2?==?0）??????????//判斷是否處于上升沿
????????????????????chart1.Series[“Channel?1“].Points.AddXY（t?-0.5?*?V?+?k?*?（?2?*?t?*?fre?-?n?）?/?（?2?*?fre?）?）;
????????????????else
????????????????????chart1.Series[“Channel?1“].Points.AddXY（t?0.5?*?V?-?k?*?（2?*?t?*?fre?-?n）?/?（?2?*?fre?））;
????????????????
????????????}
????????}????//三角波函數
????????public?void?zhengxian（float?Vfloat?fre）
????????{
????????????double?t?=?0;
????????????for?（t?=?0;?t?<=?2?*?Math.PI;?t?+=?0.02）????//默認顯示0到2PI范圍內的波形
????????????{
????????????????double?ch1?=?V?*?Math.Sin（2?*?Math.PI?*?fre?*?t）;
????????????????chart1.Series[“Channel?1“].Points.AddXY（t?ch1）;
????????????}
????????}???//正弦波函數
????????public?void?fangbo_Autoset（float?V?float?fre）
????????{
????????????double?t?=?0;
????????????for?（t?=?0;?t?<=?3?/?fre;?t?+=

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????914??2019-03-08?19:42??WindowsFormsApplication4.sln
?????文件???????26112??2019-03-22?15:52??WindowsFormsApplication4.suo
?????目錄???????????0??2019-03-08?19:42??WindowsFormsApplication4\
?????目錄???????????0??2019-03-08?19:42??WindowsFormsApplication4\bin\
?????目錄???????????0??2019-03-08?20:17??WindowsFormsApplication4\bin\Debug\
?????文件???????32768??2019-03-14?17:31??WindowsFormsApplication4\bin\Debug\WindowsFormsApplication4.exe
?????文件???????32256??2019-03-14?17:31??WindowsFormsApplication4\bin\Debug\WindowsFormsApplication4.pdb
?????文件???????11600??2019-03-22?15:51??WindowsFormsApplication4\bin\Debug\WindowsFormsApplication4.vshost.exe
?????文件?????????490??2018-04-12?07:35??WindowsFormsApplication4\bin\Debug\WindowsFormsApplication4.vshost.exe.manifest
?????文件???????10147??2019-03-14?17:31??WindowsFormsApplication4\Form1.cs
?????文件???????12879??2019-03-14?17:31??WindowsFormsApplication4\Form1.Designer.cs
?????文件???????29599??2019-03-14?17:27??WindowsFormsApplication4\Form1.resx
?????目錄???????????0??2019-03-08?19:42??WindowsFormsApplication4\obj\
?????目錄???????????0??2019-03-08?19:42??WindowsFormsApplication4\obj\x86\
?????目錄???????????0??2019-03-14?17:31??WindowsFormsApplication4\obj\x86\Debug\
?????文件????????6272??2019-03-09?20:33??WindowsFormsApplication4\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????6893??2019-03-14?17:31??WindowsFormsApplication4\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????目錄???????????0??2019-03-08?19:42??WindowsFormsApplication4\obj\x86\Debug\TempPE\
?????文件????????1266??2019-03-22?15:51??WindowsFormsApplication4\obj\x86\Debug\WindowsFormsApplication4.csproj.FileListAbsolute.txt
?????文件?????????975??2019-03-14?17:27??WindowsFormsApplication4\obj\x86\Debug\WindowsFormsApplication4.csproj.GenerateResource.Cache
?????文件???????10016??2019-03-09?23:11??WindowsFormsApplication4\obj\x86\Debug\WindowsFormsApplication4.csprojResolveAssemblyReference.cache
?????文件???????32768??2019-03-14?17:31??WindowsFormsApplication4\obj\x86\Debug\WindowsFormsApplication4.exe
?????文件???????16311??2019-03-14?17:27??WindowsFormsApplication4\obj\x86\Debug\WindowsFormsApplication4.Form1.resources
?????文件???????32256??2019-03-14?17:31??WindowsFormsApplication4\obj\x86\Debug\WindowsFormsApplication4.pdb
?????文件?????????180??2019-03-11?22:26??WindowsFormsApplication4\obj\x86\Debug\WindowsFormsApplication4.Properties.Resources.resources
?????文件?????????505??2019-03-08?19:42??WindowsFormsApplication4\Program.cs
?????目錄???????????0??2019-03-08?19:42??WindowsFormsApplication4\Properties\
?????文件????????1380??2019-03-08?19:42??WindowsFormsApplication4\Properties\AssemblyInfo.cs
?????文件????????2900??2019-03-08?19:42??WindowsFormsApplication4\Properties\Resources.Designer.cs
?????文件????????5612??2019-03-08?19:42??WindowsFormsApplication4\Properties\Resources.resx
?????文件????????1111??2019-03-08?19:42??WindowsFormsApplication4\Properties\Settings.Designer.cs
............此處省略2個文件信息