Using Aforg.net capture camera with source code

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using System; using System.Drawing; using System.Windows.Forms; using AForge.Video; using AForge.Video.DirectShow; namespace CameraCapture {     public partial class Form1 : Form     {         FilterInfoCollection filterInfoCollection;         VideoCaptureDevice captureDevice;         public Form1()         {             InitializeComponent();             filterInfoCollection = new FilterInfoCollection(FilterCategory.VideoInputDevice);             foreach (FilterInfo item in filterInfoCollection)             {                 this.comboBox1.Items.Add(item.Name);             }             this.comboBox1.SelectedIndex = 0;             //先初始化一下 否则在下面判断是否已运行时会报错             captureDevice = new VideoCaptureDevice();         }        private void Form1_Load(object sender, EventArgs e)         {        }        private void button1_Click(object sender, EventArgs e)         {             if (captureDevice.IsRunning)                 captureDevice.Stop();             captureDevice = new VideoCaptureDevice(filterInfoCollection[comboBox1.SelectedIndex].MonikerString);             captureDevice.NewFrame += captureDevice_NewFrame;             captureDevice.Start();         }        void captureDevice_NewFrame(object sender, NewFrameEventArgs eventArgs)         {             this.pictureBox1.Image = (Bitmap)eventArgs.Frame.Clone();         }         /// <summary>         /// 关闭后结束捕获 释放资源         /// </summary>         /// <param name="sender"></param>         /// <param name="e"></param>         private void Form1_FormClosed(object sender, FormClosedEventArgs e)         {             if (captureDevice.IsRunning)             {                 captureDevice.Stop();             }         }     } }

　　

Source code Download: Http://files.cnblogs.com/DragonX/CameraCapture.zip