private void Form1_Load(object sender, System.EventArgs e)
{
control.InvalidOption = FarPoint.Win.InvalidOption.HideData;
control.InvalidColor = Color.Blue;
control.UserEntry = FarPoint.Win.UserEntry.FreeFormat;
control.CausesValidation = true;
control.Text = "InvalidColor";
}
private void button1_Click(object sender, System.EventArgs e)
{
control.ResetInvalidColor();
}