//Creating Instance of WebCam Class.
 private void CapturePhoto_Load(object sender, EventArgs e)
 {
     oWebCam           = new WebCamera();
     oWebCam.Container = pictureBox1;
     oWebCam.OpenConnection();
     Clipboard.Clear();
 }
 private void btnRefresh_Click(object sender, EventArgs e)
 {
     oWebCam.CloseConnection();
     oWebCam.Dispose();
     oWebCam           = new WebCamera();
     oWebCam.Container = pictureBox1;
     oWebCam.OpenConnection();
     Clipboard.Clear();
 }