using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Drawing.Imaging;
using?System.Linq;
using?System.Text;
using?System.Windows.Forms;
using?AForge;
using?AForge.Controls;
using?AForge.Imaging;
using?AForge.Video;
using?AForge.Video.DirectShow;

namespace?人臉識別
{
????public?partial?class?Form1?:?Form
????{
???????private?FilterInfoCollection?videoDevices;


????????public?int?selectedDeviceIndex?=?0;
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{
????????????try
????????????{
????????????????//?枚舉所有視頻輸入設備
????????????????videoDevices?=?new?FilterInfoCollection（FilterCategory.VideoInputDevice）;

????????????????if?（videoDevices.Count?==?0）
????????????????????throw?new?ApplicationException（）;

????????????????foreach?（FilterInfo?device?in?videoDevices）
????????????????{
????????????????????comboBox1.Items.Add（device.Name）;
????????????????}
????????????????//下拉框用來更換攝像頭
????????????????comboBox1.SelectedIndex?=?0;

????????????}
????????????catch?（ApplicationException）
????????????{
????????????????comboBox1.Items.Add（“未發現攝像頭“）;
????????????????comboBox1.SelectedIndex?=?0;
????????????????videoDevices?=?null;
????????????}
????????}

????????private?void?button2_Click（object?sender?EventArgs?e）
????????{
????????????if?（videoSourcePlayer1?!=?null?&&?videoSourcePlayer1.IsRunning）
????????????{
????????????????videoSourcePlayer1.SignalToStop（）;
????????????????videoSourcePlayer1.WaitForStop（）;
????????????}
????????}

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????button2_Click（null?null）;
????????????if?（comboBox1.SelectedItem.ToString（）?==?“未發現攝像頭“）
????????????{
????????????????MessageBox.Show（“未發現攝像頭“?“錯誤提示“?MessageBoxButtons.OK?MessageBoxIcon.Hand）;
????????????????return;
????????????}

????????????VideoCaptureDevice?videoSource?=?new?VideoCaptureDevice（videoDevices[comboBox1.SelectedIndex].MonikerString）;
????????????videoSource.VideoResolution?=?videoSource.VideoCapabilities[comboBox1.SelectedIndex];

????????????videoSourcePlayer1.VideoSource?=?videoSource;
????????????videoSourcePlayer1.Start（）;
????????}

????????private?void?comboBox1_SelectedIndexChanged（object?sender?EventArgs?e）
????????{
????????????if?（comboBox1.SelectedItem.ToString（）?==?“未發現攝像頭“）
????????????{
????????????????comboBox2.Items.Add（“未發現攝像頭“）;
????????????????comboBox2.SelectedIndex?=?0;
????????????????return;
????????????}
????????????VideoCaptureDevice?videoSource?=?new?VideoCaptureDevice（videoDevices[comboBox1.SelectedIndex].MonikerString）;
????????????if?（videoSource.VideoCapabilities.Count（）?==?0）
????????????{
????????????????comboBox2.Items.Add（“攝像頭異常“）;
????????????????comboBox2.SelectedIndex?=?0;
????????????????return;
????????????}
????????????c

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2020-08-18?19:47??調取本機攝像頭拍照\
?????目錄???????????0??2020-08-18?19:47??調取本機攝像頭拍照\.vs\
?????目錄???????????0??2020-08-18?19:47??調取本機攝像頭拍照\.vs\人臉識別\
?????目錄???????????0??2020-08-15?23:56??調取本機攝像頭拍照\.vs\人臉識別\v16\
?????文件???????41472??2020-08-16?15:44??調取本機攝像頭拍照\.vs\人臉識別\v16\.suo
?????目錄???????????0??2020-08-18?19:47??調取本機攝像頭拍照\bin\
?????目錄???????????0??2020-08-18?19:47??調取本機攝像頭拍照\bin\Debug\
?????文件???????44544??2020-08-15?23:24??調取本機攝像頭拍照\bin\Debug\AForge.Controls.dll
?????文件???????17920??2020-08-15?23:24??調取本機攝像頭拍照\bin\Debug\AForge.dll
?????文件??????262656??2020-08-15?23:24??調取本機攝像頭拍照\bin\Debug\AForge.Imaging.dll
?????文件???????61440??2020-08-15?23:24??調取本機攝像頭拍照\bin\Debug\AForge.Video.DirectShow.dll
?????文件???????20992??2020-08-15?23:23??調取本機攝像頭拍照\bin\Debug\AForge.Video.dll
?????目錄???????????0??2020-08-18?19:43??調取本機攝像頭拍照\bin\Debug\Picture\
?????文件???????12288??2020-08-16?12:59??調取本機攝像頭拍照\bin\Debug\人臉識別.exe
?????文件???????34304??2020-08-16?12:59??調取本機攝像頭拍照\bin\Debug\人臉識別.pdb
?????文件????????4373??2020-08-16?12:59??調取本機攝像頭拍照\Form1.cs
?????文件????????5910??2020-08-16?12:59??調取本機攝像頭拍照\Form1.Designer.cs
?????文件????????5817??2020-08-16?12:59??調取本機攝像頭拍照\Form1.resx
?????目錄???????????0??2020-08-18?19:47??調取本機攝像頭拍照\obj\
?????目錄???????????0??2020-08-18?19:47??調取本機攝像頭拍照\obj\Debug\
?????文件?????????208??2020-08-15?23:56??調取本機攝像頭拍照\obj\Debug\.NETframeworkVersion=v4.0.AssemblyAttributes.cs
?????文件???????12099??2020-08-16?12:52??調取本機攝像頭拍照\obj\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????7077??2020-08-16?00:01??調取本機攝像頭拍照\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????目錄???????????0??2020-08-15?23:56??調取本機攝像頭拍照\obj\Debug\TempPE\
?????文件???????????0??2020-08-16?12:59??調取本機攝像頭拍照\obj\Debug\人臉識別.csproj.CopyComplete
?????文件??????????42??2020-08-16?00:05??調取本機攝像頭拍照\obj\Debug\人臉識別.csproj.CoreCompileInputs.cache
?????文件?????????634??2020-08-16?00:12??調取本機攝像頭拍照\obj\Debug\人臉識別.csproj.FileListAbsolute.txt
?????文件????????1012??2020-08-16?12:59??調取本機攝像頭拍照\obj\Debug\人臉識別.csproj.GenerateResource.cache
?????文件????????2193??2020-08-16?12:56??調取本機攝像頭拍照\obj\Debug\人臉識別.csprojAssemblyReference.cache
?????文件???????12288??2020-08-16?12:59??調取本機攝像頭拍照\obj\Debug\人臉識別.exe
?????文件?????????180??2020-08-16?12:59??調取本機攝像頭拍照\obj\Debug\人臉識別.Form1.resources
............此處省略11個文件信息