public Form1()
        {
            InitializeComponent();
            processing init = new processing();

            init.initGrid(dataGridView1);
            init.initData(dataGridView1, label1, comboBox1, ref fileName);
        }
        private void button3_Click(object sender, EventArgs e)
        {
            timer1.Stop();
            timer1.Enabled = false;
            processing initPath = new processing();

            fileName = initPath.loadPath(label1, fileName);
            if (fileName != "")
            {
                initPath.initData(dataGridView1, label1, comboBox1, ref fileName);
            }
        }  //Файл