public override void DeserializeChildren(PersistenceReader ip) { while (ip.HasChild) { m_Values.Add(ip.GetChild() as ItemValue); } }
/// <summary> /// Unmarshals and deallocates an OPCHDA_ITEM structure. /// </summary> internal static ItemValueCollection GetItemValueCollection(OpcRcw.Hda.OPCHDA_ITEM input, bool deallocate) { ItemValueCollection output = new ItemValueCollection(); output.ClientHandle = input.hClient; output.AggregateID = input.haAggregate; object[] values = OpcCom.Interop.GetVARIANTs(ref input.pvDataValues, input.dwCount, deallocate); DateTime[] timestamps = OpcCom.Interop.GetFILETIMEs(ref input.pftTimeStamps, input.dwCount, deallocate); int[] qualities = OpcCom.Interop.GetInt32s(ref input.pdwQualities, input.dwCount, deallocate); for (int ii = 0; ii < input.dwCount; ii++) { ItemValue value = new ItemValue(); value.Value = values[ii]; value.Timestamp = timestamps[ii]; value.Quality = new Opc.Da.Quality((short)(qualities[ii] & 0x0000FFFF)); value.HistorianQuality = (Opc.Hda.Quality)((int)(qualities[ii] & 0xFFFF0000)); output.Add(value); } return(output); }
private ItemValueCollection CreateTestCollection() { ItemValueCollection testCollection = new ItemValueCollection(); ItemValue testItemValue = new ItemValue(); testItemValue.ItemID = "SimulatedData.Random"; testItemValue.Timestamp = DateTime.Now; Random rnd = new Random(); testItemValue.Value = rnd.Next(900000); testCollection.Add(testItemValue); return testCollection; }
internal static ItemValueCollection GetItemValueCollection(OPCHDA_ITEM input, bool deallocate) { ItemValueCollection values = new ItemValueCollection { ClientHandle = input.hClient, AggregateID = input.haAggregate }; object[] objArray = OpcCom.Interop.GetVARIANTs(ref input.pvDataValues, input.dwCount, deallocate); DateTime[] timeArray = OpcCom.Interop.GetFILETIMEs(ref input.pftTimeStamps, input.dwCount, deallocate); int[] numArray = OpcCom.Interop.GetInt32s(ref input.pdwQualities, input.dwCount, deallocate); for (int i = 0; i < input.dwCount; i++) { Opc.Hda.ItemValue value2 = new Opc.Hda.ItemValue { Value = objArray[i], Timestamp = timeArray[i], Quality = new Opc.Da.Quality((short)(numArray[i] & 0xffff)), HistorianQuality = ((Opc.Hda.Quality)numArray[i]) & ((Opc.Hda.Quality)(unchecked ((int)0xffff0000L))) }; values.Add(value2); } return(values); }
private ItemValueCollection CreateItemValues(DataTable dt) { ItemValueCollection result = new ItemValueCollection(); ItemValue newItemValue; foreach (DataRow currentRow in dt.Rows) { newItemValue = CreateSingleItemValue(currentRow); result.Add(newItemValue); } return result; }