文件名称：C# 使用AForge调用摄像头
文件大小：211KB
文件格式：RAR
更新时间：2023-06-21 09:12:09
AForge USB摄像头
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; using AForge.Video.DirectShow; using AForge.Video; namespace AForgeDemo { public partial class Form1 : Form { private bool DeviceExist = false; private FilterInfoCollection videoDevices; private VideoCaptureDevice videoSource = null; public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { getCamList(); } private void getCamList() { try { videoDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice); cbDev.Items.Clear(); if (videoDevices.Count == 0) throw new ApplicationException(); DeviceExist = true; foreach (FilterInfo device in videoDevices) { cbDev.Items.Add(device.Name); } cbDev.SelectedIndex = 0; } catch (ApplicationException) { DeviceExist = false; cbDev.Items.Add("无设备"); } } private void CloseVideoSource() { if (!(videoSource == null)) if (videoSource.IsRunning) { videoSource.SignalToStop(); videoSource = null; } } private void video_NewFrame(object sender, NewFrameEventArgs eventArgs) { Bitmap img = (Bitmap)eventArgs.Frame.Clone(); picVideo.Image = img; } private void Form1_FormClosed(object sender, FormClosedEventArgs e) { CloseVideoSource(); } private void btnOpen_Click(object sender, EventArgs e) { if (DeviceExist) { videoSource = new VideoCaptureDevice(videoDevices[cbDev.SelectedIndex].MonikerString); videoSource.NewFrame += new NewFrameEventHandler(video_NewFrame); CloseVideoSource(); videoSource.DesiredFrameSize = new Size(picVideo.Width, picVideo.Height); videoSource.Start(); lbinfo.Text = "设备运行..."; } else { lbinfo.Text = "没有选择设备"; } } private void btnStop_Click(object sender, EventArgs e) { if (videoSource.IsRunning) { CloseVideoSource(); lbinfo.Text = "设备停止"; } } } }
【文件预览】：
AForgeDemo
----AForgeDemo.sln(872B)
----AForgeDemo.suo(10KB)
----AForgeDemo()
--------Form1.Designer.cs(5KB)
--------Program.cs(491B)
--------obj()
--------bin()
--------Form1.cs(3KB)
--------Form1.resx(6KB)
--------lib()
--------AForgeDemo.csproj(5KB)
--------Properties()