private void button1_Click(object sender, EventArgs e)
{
holes_number = (int)numericUpDown1.Value;
Step3.Show();
btn_showLayout.Text = "Show holes!?";
btn_showLayout.Enabled = true;
Create_Holes_Data_Fields(holes_number);
Holes_settings holes_window = new Holes_settings(holes_number, holes_size, holes_starting, holes_lbl);
holes_window.ShowDialog();
}
