C# Free Source Code Capture webcam images and save them to your computer

C# Free Source Code: Capture webcam images and save them to your computer

Note: You need to download and install the WebCam_Capture.dll file.

Visual Studio 2019 ถ่ายรูปจากกล้อง Webcam หรือกล้องมือถือ แล้วเซฟไฟล์ลงบนคอม.

Class: WebCam.cs

using WebCam_Capture;

namespace WinFormCharpWebCam

{

    class WebCam

    {

        private WebCamCapture webcam;

        private System.Windows.Forms.PictureBox _FrameImage;

        private int FrameNumber = 30;

        public void InitializeWebCam(ref System.Windows.Forms.PictureBox ImageControl)

        {

            webcam = new WebCamCapture();

            webcam.FrameNumber = ((ulong)(0ul));

            webcam.TimeToCapture_milliseconds = FrameNumber;

            webcam.ImageCaptured += new WebCamCapture.WebCamEventHandler(webcam_ImageCaptured);

            _FrameImage = ImageControl;

        }

        void webcam_ImageCaptured(object source, WebcamEventArgs e)

        {

            _FrameImage.Image = e.WebCamImage;

        }

        public void Start()

        {

            webcam.TimeToCapture_milliseconds = FrameNumber;

            webcam.Start(0);

        }

        public void Stop()

        {

            webcam.Stop();

        }

        public void Continue()

        {

            // change the capture time frame

            webcam.TimeToCapture_milliseconds = FrameNumber;

            // resume the video capture from the stop

            webcam.Start(this.webcam.FrameNumber);

        }

        public void ResolutionSetting()

        {

            webcam.Config();

        }

        public void AdvanceSetting()

        {

            webcam.Config2();

        }

    }

}

Class: Helper.cs

using System.IO;

using System.Windows.Forms;

namespace WinFormCharpWebCam

{

    class Helper

    {

        public static void SaveImageCapture(System.Drawing.Image image)

        {

            SaveFileDialog s = new SaveFileDialog();

            s.FileName = "Image";// Default file name

            s.DefaultExt = ".Jpg";// Default file extension

            s.Filter = "Image (.jpg)|*.jpg"; // Filter files by extension

            // Show save file dialog box

            // Process save file dialog box results

            if (s.ShowDialog()==DialogResult.OK)

            {

                // Save Image

                string filename = s.FileName;

                FileStream fstream = new FileStream(filename, FileMode.Create);

                image.Save(fstream, System.Drawing.Imaging.ImageFormat.Jpeg);

                fstream.Close();

            }

        }

    }

}

Form1.cs

using System;

using System.Windows.Forms;

using WinFormCharpWebCam;

namespace CSWebCamWinForms1

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        WebCam webcam;

        private void Form1_Load(object sender, EventArgs e)

        {

            webcam = new WebCam();

            webcam.InitializeWebCam(ref imgVideo);

        }

        private void bntStart_Click(object sender, EventArgs e)

        {

            webcam.Start();

        }

        private void bntStop_Click(object sender, EventArgs e)

        {

            webcam.Stop();

            imgVideo.Image = null;

        }

        private void bntContinue_Click(object sender, EventArgs e)

        {

            webcam.Continue();

        }

        private void bntCapture_Click(object sender, EventArgs e)

        {

            if (imgVideo.Image != null)

            {

                imgCapture.Image = imgVideo.Image;

            }

            else

            {

                imgCapture.Image = null;

            }

        }

        private void bntSave_Click(object sender, EventArgs e)

        {

            if (imgCapture.Image != null)

            {

                Helper.SaveImageCapture(imgCapture.Image);

            }

        }

    }

}