private void button2_Click(object sender, EventArgs e)
        {
            int           error = 0;
            Training_Form TF    = new Training_Form(this, ref error);

            if (error == 0)
            {
                TF.Show();
            }
        }
        private void button1_Click(object sender, EventArgs e)
        {
            //add face data
            int           error = 0;
            Training_Form tr1   = new Training_Form(this, ref error, textBox1.Text);

            if (error == 0)
            {
                tr1.Show();
            }
        }
        /*public Form1(Main_menu mm)
         * {
         *  InitializeComponent();
         *
         *  Recognition.LoadData(Application.StartupPath + "\\TrainedFaces");
         * }*/

        //Open training form and pass this
        private void trainToolStripMenuItem_Click(object sender, EventArgs e)
        {
            //Stop Camera
            stop_capture();

            //OpenForm
            int           error = 0;
            Training_Form TF    = new Training_Form(this, ref error);

            if (error == 0)
            {
                TF.Show();
            }
        }