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for capture image i want'a use webcam. for this i use webcam_capture.dll but this is not working properly.stop function is not working. so tell me please how to stop the webcam after Initializing the webcam.. im using this code.


using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using WinFormCharpWebCam;
namespace Camera_Sample
{
public partial class Form1 : Form
{
WebCam webcam; //customized class created for handling the task of capturing image from Webcamera
public Form1()
{

InitializeComponent();
}

private void Form1_Load(object sender, EventArgs e)
{
webcam = new WebCam();
webcam.InitializeWebCam(ref imgCam);
}

private void btnStart_Click(object sender, EventArgs e)
{
webcam.Start();

}

private void btnStop_Click(object sender, EventArgs e)
{
webcam.Stop();
}

private void imgPreview_Click(object sender, EventArgs e)
{

}

private void btnContinue_Click(object sender, EventArgs e)
{
webcam.Continue();
}

private void btnClick_Click(object sender, EventArgs e)
{
imgPreview.Image = imgCam.Image;
}

private void btnSave_Click(object sender, EventArgs e)
{
SaveFileDialog sdialog = new SaveFileDialog();
sdialog.FileName = "Image";// Default file name
sdialog.DefaultExt = ".Jpg";// Default file extension
sdialog.Filter = "Image (.jpg)|*.jpg"; // Filter files by extension

// Show save file dialog box
// Process save file dialog box results
if (sdialog.ShowDialog() == DialogResult.OK)
{
// Save Image
string filename = sdialog.FileName;
FileStream fstream = new FileStream(filename, FileMode.Create);
imgPreview.Image.Save(fstream, System.Drawing.Imaging.ImageFormat.Jpeg);
fstream.Close();
}
}
}
}





WebCam.cs Class for webcam


using System;
using System.IO;
using System.Text;
using WebCam_Capture;
using System.Collections.Generic;



namespace CSharpWebCam
{
//Design by Dharma Iyer
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();
}


internal void InitializeWebCam(System.Windows.Forms.PictureBox imgCam)
{
throw new NotImplementedException();
}
}
}
Posted 30-Jan-13 22:43pm

1 solution

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Solution 1

Have you checked this article?
Versatile WebCam C# library[^]

Good luck!
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