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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();
}
}
}
} |
源代码下载：http://files.cnblogs.com/DragonX/CameraCapture.zip