private void CmbColor_SelectedIndexChanged(object sender, EventArgs e)
        {
            string s = CmbColor.GetItemText(CmbColor.SelectedItem);

            string[] c = s.Split('-');
            BtnGenerateColor.BackColor = Color.FromArgb(Convert.ToInt32(c[0]), Convert.ToInt32(c[1]), Convert.ToInt32(c[2]));
        }
 private void BtnReset3_Click(object sender, EventArgs e)
 {
     CmbColor.ResetText();
     CmbColor.Items.Clear();
     BtnGenerateColor.BackColor = Color.Beige;
 }