基于C#的Aforge类调用简单_源码

本程序是使用Aforge类库调用摄像头的demo

using AForge.Video.DirectShow;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace CameraDemo
{
    public partial class aforgeForm : Form
    {
        #region var
        private FilterInfoCollection cameraDevices;
        private VideoCaptureDevice cameraDevice;
        private const string noCameraDevice = “没有找到摄像头设备“;
        private bool isSingleCamera = false;
        #endregion
        public aforgeForm（）
        {
            InitializeComponent（）;
        }

        private void aforgeForm_Load（object sender EventArgs e）
        {
            printCameraList（）;
            loadCameraList（）;
            if （isSingleCamera）
                preview（）;
        }

        private void preview（）
        {
            if （null != cameraDevice）
            {
                preview_player.SignalToStop（）;
                preview_player.WaitForStop（）;
            }
            cameraDevice = new VideoCaptureDevice（cameraDevices[cameraId_cob.SelectedIndex].MonikerString）;
            cameraDevice.DesiredframeSize = new Size（320 240）;
            cameraDevice.DesiredframeRate = 1;
            preview_player.VideoSource = cameraDevice;
            preview_player.Start（）;
        }

        private void loadCameraList（）
        {
            if （cameraDevices.Count == 0）
            {
                capture_btn.Enabled = false;
                cameraId_cob.Enabled = false;
                preview_btn.Enabled = false;
                guide_lab.Text = noCameraDevice;
                cameraDevices = null;

            }else if（cameraDevices.Count == 1）
            {
                isSingleCamera = true;
                preview_btn.Enabled = false;
                guide_lab.Visible = false;
            }
            foreach （FilterInfo cameraDevice in cameraDevices）
            {
                cameraId_cob.Items.Add（cameraDevice.Name）;
                cameraId_cob.SelectedIndex = 0;
            }

        }

        private void printCameraList（）
        {
                cameraDevices = new FilterInfoCollection（FilterCategory.VideoInputDevice）;
        }

        private void preview_btn_Click（object sender EventArgs e）
        {
            preview（）;
        }

        private void capture_btn_Click（object sender EventArgs e）
        {
            takePhoto（）;
        }

        private void takePhoto（）
        {
            if （cameraDevice == null）
                return;
            Bitmap bitmap = preview_player.GetCurrentVideoframe（）;
            string fullPath = Application.StartupPath + “\\“;
            if （!Directory.Exists（fullPath））
                Directory.CreateDirectory（fullPath）;
            string img = fullPath + “Aforge.bmp“;
            bitm

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件        997  2016-12-09 09:20  CameraDemo.sln

    I.A....      5917  2016-12-09 17:30  AforgeDemo\AforgeDemo.csproj

    I.A....       479  2016-12-09 17:30  AforgeDemo\AforgeDemo.csproj.user

    I.A....      3326  2016-12-09 17:30  AforgeDemo\AforgeForm.cs

    I.A....      7055  2016-12-09 17:30  AforgeDemo\AforgeForm.Designer.cs

    I.A....      5817  2016-12-09 17:30  AforgeDemo\AforgeForm.resx

    I.A....       189  2016-12-09 17:30  AforgeDemo\App.config

    I.A....     44544  2016-12-09 17:30  AforgeDemo\lib\AForge.Controls.dll

    I.A....     17920  2016-12-09 17:30  AforgeDemo\lib\AForge.dll

    I.A....    262656  2016-12-09 17:30  AforgeDemo\lib\AForge.Imaging.dll

    I.A....     61440  2016-12-09 17:30  AforgeDemo\lib\AForge.Video.DirectShow.dll

    I.A....     20992  2016-12-09 17:30  AforgeDemo\lib\AForge.Video.dll

    I.A....       527  2016-12-09 17:30  AforgeDemo\Program.cs

    I.A....      1338  2016-12-09 17:30  AforgeDemo\Properties\AssemblyInfo.cs

    I.A....      2860  2016-12-09 17:30  AforgeDemo\Properties\Resources.Designer.cs

    I.A....      5612  2016-12-09 17:30  AforgeDemo\Properties\Resources.resx

    I.A....      1110  2016-12-09 17:30  AforgeDemo\Properties\Settings.Designer.cs

    I.A....       249  2016-12-09 17:30  AforgeDemo\Properties\Settings.settings

     目录          0  2016-12-09 17:30  AforgeDemo\lib

     目录          0  2016-12-09 17:30  AforgeDemo\Properties

     目录          0  2016-12-14 11:14  AforgeDemo

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