- using System;
- using System.Collections.Generic;
- using System.ComponentModel;
- using System.Data;
- using System.Drawing;
- using System.Drawing.Imaging;
- using System.Text;
- using System.Windows.Forms;
- using System.IO;
- using AForge;
- using AForge.Video;
- using AForge.Video.DirectShow;
- using AForge.Imaging;
- using AForge.Imaging.Filters;
- namespace Camera
- {
- public partial class Form1 : Form
- {
- private FilterInfoCollection videoDevices;
- private VideoCaptureDevice videoSource;
- private int flag = 1;
- private string dirc = System.AppDomain.CurrentDomain.BaseDirectory + "Images"; //截图保存的目录
- public Form1()
- {
- InitializeComponent();
- }
- private void Form1_Load(object sender, EventArgs e)
- {
- if (!Directory.Exists(dirc))
- Directory.CreateDirectory(dirc);
- try
- {
- // 枚举所有视频输入设备
- videoDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice);
- if (videoDevices.Count == 0)
- throw new ApplicationException();
- foreach (FilterInfo device in videoDevices)
- {
- tscbxCameras.Items.Add(device.Name);
- }
- tscbxCameras.SelectedIndex = 0;
- }
- catch (ApplicationException)
- {
- tscbxCameras.Items.Add("No local capture devices");
- videoDevices = null;
- }
- }
- private void toolStripButton1_Click(object sender, EventArgs e)
- {
- CameraConn();
- }
- /// <summary>
- /// 连接开启摄像头
- /// </summary>
- private void CameraConn()
- {
- videoSource = new VideoCaptureDevice(videoDevices[tscbxCameras.SelectedIndex].MonikerString);
- videoSource.DesiredFrameSize = new Size(500, 300);
- videoSource.DesiredFrameRate = 1;
- videPlayer.VideoSource = videoSource;
- videPlayer.Start();
- }
- /// <summary>
- /// 关闭摄像头
- /// </summary>
- private void toolStripButton2_Click(object sender, EventArgs e)
- {
- videPlayer.SignalToStop();
- videPlayer.WaitForStop();
- }
- private void Form1_FormClosing(object sender, FormClosingEventArgs e)
- {
- toolStripButton2_Click(null, null);
- }
- /// <summary>
- /// 截图
- /// </summary>
- private void toolStripButton3_Click(object sender, EventArgs e)
- {
- flag = 0;
- videoSource.NewFrame += new NewFrameEventHandler(video_NewFrame);
- }
- private void video_NewFrame(object sender, NewFrameEventArgs eventArgs)
- {
- Bitmap bitmap = (Bitmap)eventArgs.Frame.Clone();
- if (flag == 0)
- {
- string img = dirc + "/" + DateTime.Now.ToString("yyyyMMddhhmmss") + ".jpg";
- bitmap.Save(img);
- flag = 1;
- }
- }
- }
- }
- //该片段来自于http://www.codesnippet.cn/detail/010720134371.html
来源: http://www.codesnippet.cn/detail/010720134371.html