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