protected override void DataToControls()
{
var pathVswrValue = GetPathVswrValue();
base.DataToControls();
edtInputPort.Value = pathVswrValue.inputPort;
edtFrequency.Value = pathVswrValue.Frequency != null ? pathVswrValue.Frequency.ToString() : "";
edtFrequency.Tag = pathVswrValue.Frequency;
ShowFrequencyValue();
}