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// From class: Oatc.OpenMI.Examples.ModelComponents.SimpleRiver.Wrapper.SimpleRiverEngineWrapper : Oatc.OpenMI.Sdk.Wrapper.IEngine
	public void Initialize(System.Collections.Hashtable properties) {    \_inputExchangeItems
		{
			
			_inputExchangeItems = new ArrayList();
			_outputExchangeItems = new ArrayList(); 

			//ArrayList of-- Create and  Oatc.OpenMI.Sdk.Backbone.InputExchangeItem objects    \_outputExchangeItemsinitialize the engine --
			_simpleRiverEngine = new ArrayListSimpleRiverEngineDotNetAccess(); //ArrayList of
             Oatc.OpenMI.Sdk.Backbone.OutputExchangeItem objects    // \-\\- Create and initialize the engine \-\\-    \_simpleRiverEngine = new SimpleRiverEngineDotNetAccess();    \_simpleRiverEngine.Initialize((string)properties\['FilePath'\]);    // \-\\- Simulation start time -    // The start time is obtained from the engine core as a string. This string isif (properties["FilePath"].ToString().Length > 1)
            {
                _simpleRiverEngine.Initialize(properties["FilePath"].ToString());
            }
            else
            {
                string currentDir = System.IO.Directory.GetCurrentDirectory();
                _simpleRiverEngine.Initialize(currentDir);
                //When running from the GUI, the assembly is started with the current dir
                //to passedthe andlocation convertedof tothe aOMI System.DateTime. Thenfiles. It is assumed that the data files  // Oatc.OpenMI.Sdk.DevelopmentSupport.CalendarConverter class is used to convertare
                // this time into the ModifiedJulianDay (this is the OpenMI standard time)    char \[\located in the same directory.
            }
			// -- Time horizon --
			char [] delimiter = new char\[\]{'-',' ',':'};    string\[\
			string[] strings = \_simpleRiverEngine.GetSimulationStartDate().Split(delimiter);
			int StartYear   int StartYear = Convert.ToInt32(strings\[0\]);    
			int StartMonth  = Convert.ToInt32(strings\[1\]);
			int StartDay   int StartDay = Convert.ToInt32(strings\[2\]);
			int  StartHour  int StartHour = Convert.ToInt32(strings\[3\]);    
			int StartMinute = Convert.ToInt32(strings\[4\]);    
			int StartSecond = Convert.ToInt32(strings\[5\]);    
			DateTime startDate = new DateTime(StartYear,StartMonth,StartDay,StartHour,StartMinute,StartSecond);    \
			_simulationStartTime = Oatc.OpenMI.Sdk.DevelopmentSupport.CalendarConverter.Gregorian2ModifiedJulian(startDate);    

			// \-\\- Build exchange items \--\\-    -
			Dimension flowDimension = new Dimension();    
			Unit flowUnit = new Unit('"m3/sec'",1,0,'"m3/sec'"); //The Simple River only uses    // quantities with the unit m3/sec.    Quantity flowQuantity 
			
			Quantity flowQuantity   = new Quantity(flowUnit,'"description'",'"Flow',    ",global::OpenMI.Standard.ValueType.Scalar,flowDimension);    
			Quantity inFlowQuantity = new Quantity(flowUnit,'"description'",'"InFlow',    ",global::OpenMI.Standard.ValueType.Scalar,flowDimension);    

			int numberOfNodes = \_simpleRiverEngine.GetNumberOfNodes();    

			for (int i = 0; i < numberOfNodes \-1; i++) //For each branch    {       OutputExchangeItem flowFromBranch 
			{
				OutputExchangeItem flowFromBrach  = new OutputExchangeItem();       
				InputExchangeItem inFlowToBranch = new InputExchangeItem();       // One ElementSet is created for each branch. The ElementID's are       // Branch:<Branch number>. E.g. 'Branch:3'       ElementSet branch 

				ElementSet branch = new ElementSet('"description'",'"Branch:'" + i.ToString(),ElementType.XYPolyLine,new SpatialReference('"ref'"));
                branch.AddElement(new Element('"Branch:'" + i.ToString()));       
				branch.Elements\[0\].AddVertex(new Vertex(_simpleRiverEngine.       GetXCo-ordinateGetXCoordinate(i),_simpleRiverEngine.GetYCo-ordinateGetYCoordinate(i),0));       
				branch.Elements\[0\].AddVertex(new Vertex(_simpleRiverEngine.       GetXCo-ordinateGetXCoordinate(i+1),_simpleRiverEngine.GetYCo-ordinateGetYCoordinate(i+1),0));       flowFromBranch
			
				flowFromBrach.ElementSet = branch;       flowFromBranch
				flowFromBrach.Quantity = flowQuantity;       

				inFlowToBranch.ElementSet = branch;       
				inFlowToBranch.Quantity = inFlowQuantity;       \
		
				_outputExchangeItems.Add(flowFromBranchflowFromBrach);       \
				_inputExchangeItems.Add(inFlowToBranch);
		    }    
			for (int i = 0; i < numberOfNodes; i++) //For all nodes    {       
			{
				InputExchangeItem inflowToNode = new InputExchangeItem();       // Each node is a ID-based ElementSet. The ElementSet ID are       // Node:<node number>. E.g. 'Node:3'       
				ElementSet node = new ElementSet('"description'",'"Node:'" +       i.ToString(),ElementType.IDBased,new SpatialReference('"ref'"));       
				node.AddElement(new Element('"Node:'" + i.ToString()));       

				inflowToNode.Quantity = inFlowQuantity;       
				inflowToNode.ElementSet = node;      \

				_inputExchangeItems.Add(inflowToNode);    }    
			}

			ElementSet Branches = new ElementSet('"description'",'"AllBranches'",    ElementType.XYPolyLine,new SpatialReference('"ref'"));    
			for (int i = 0; i < numberOfNodes - 1;i++) //Create an InputExchangeItem that    // has all branches in one ElementSet    {       
			{
				Element branch = new Element('"Branch: '" + i.ToString());       
				branch.AddVertex(new Vertex(_simpleRiverEngine.       GetXCo-ordinateGetXCoordinate(i),_simpleRiverEngine.GetYCo-ordinateGetYCoordinate(i),0));       
				branch.AddVertex(new Vertex(_simpleRiverEngine.       GetXCo-ordinateGetXCoordinate(i+1),_simpleRiverEngine.GetYCo-ordinateGetYCoordinate(i+1),0));       
				Branches.AddElement(branch);    } 
			}
			InputExchangeItem inFlowToBraches   InputExchangeItem inFlowToBranches = new InputExchangeItem();    inFlowToBranches

			inFlowToBraches.ElementSet = Branches;    inFlowToBranches
			inFlowToBraches.Quantity = inFlowQuantity;    \
			_inputExchangeItems.Add(inFlowToBranchesinFlowToBraches); 

		}