public override bool Equals(Object obj)
{
//Check for null and compare run-time types.
if (obj == null || this.GetType() != obj.GetType()) return false;
if (obj is LabeledControl) {
LabeledControl p = (LabeledControl)obj;
return (this.ControlLabel.ToLowerInvariant() == p.ControlLabel.ToLowerInvariant());
} else {
return false;
}
}