private void btn_timerCol_Click(object sender, EventArgs e)
{
DialogResult result = dia_col4.ShowDialog();
if (result == DialogResult.OK)
{
btn_timerCol.BackColor = dia_col4.Color;
btn_timerCol.ForeColor = dia_col4.Color;
btn_timerCol.Text = ColorTranslator.ToHtml(dia_col4.Color);
SaveSettings();
}
}