Устанавливает шаг
ZCNTaskThermoCtrl (ZCNTaskThermo) ZCNTaskHydroCtrl (ZCNTaskHydro)
ZCNTaskThermoCtrl (ZCNTaskThermo)
ZCNTaskHydroCtrl (ZCNTaskHydro)
Function SetStepNodeValue(Key As Long, Attr As String, Value As Double) As Long