Imports System.Reflection
Imports System.IO
Imports System.Runtime.InteropServices

Public Class Utility

    Shared Function GetSimulationFileDetails(xdoc As XDocument) As Dictionary(Of String, String)

        Dim props As New Dictionary(Of String, String)

        'check version

        Dim sver = New Version("1.0.0.0")

        Try
            props.Add("DWSIMVersion", xdoc.Element("DWSIM_Simulation_Data").Element("GeneralInfo").Element("BuildVersion").Value)
            props.Add("OSInfo", xdoc.Element("DWSIM_Simulation_Data").Element("GeneralInfo").Element("OSInfo").Value)
            props.Add("SavedOn", xdoc.Element("DWSIM_Simulation_Data").Element("GeneralInfo").Element("SavedOn").Value)
        Catch ex As Exception
        End Try
        Try
            props.Add("SimName", xdoc.Element("DWSIM_Simulation_Data").Element("Settings").Element("SimulationName").Value)
        Catch ex As Exception
            props.Add("SimName", "")
        End Try
        Try
            props.Add("SimAuthor", xdoc.Element("DWSIM_Simulation_Data").Element("Settings").Element("SimulationAuthor").Value)
        Catch ex As Exception
            props.Add("SimAuthor", "")
        End Try

        props.Add("Compounds", xdoc.Element("DWSIM_Simulation_Data").Element("Compounds").Elements.Count)
        props.Add("PropertyPackages", xdoc.Element("DWSIM_Simulation_Data").Element("PropertyPackages").Elements.Count)
        props.Add("SimulationObjects", xdoc.Element("DWSIM_Simulation_Data").Element("SimulationObjects").Elements.Count)
        props.Add("Reactions", xdoc.Element("DWSIM_Simulation_Data").Element("Reactions").Elements.Count)

        Return props

    End Function

    Shared Sub UpdateElement(xel As XElement)

        If xel.Name = "TipoObjeto" Then xel.Name = "ObjectType"
        If xel.Name = "Nome" Then xel.Name = "Name"
        If xel.Name = "Descricao" Then xel.Name = "Description"
        If xel.Name = "Tipo" Then xel.Name = "Type"
        If xel.Name = "FracaoMolar" Then xel.Name = "MoleFraction"
        If xel.Name = "FracaoMassica" Then xel.Name = "MassFraction"
        If xel.Name = "FracaoDePetroleo" Then xel.Name = "PetroleumFraction"
        If xel.Value = "Nenhum" Then xel.Value = "None"
        If xel.Value = "Destino" Then xel.Value = "Target"
        If xel.Value = "Fonte" Then xel.Value = "Source"
        If xel.Value = "Manipulada" Then xel.Value = "Manipulated"
        If xel.Value = "Referencia" Then xel.Value = "Referenced"
        If xel.Value = "Controlada" Then xel.Value = "Controlled"

        If xel.Value.EndsWith("Streams.MaterialStream") Then xel.Value = "DWSIM.Thermodynamics.Streams.MaterialStream"

        If xel.Value.EndsWith("Streams.EnergyStream") Then xel.Value = "DWSIM.UnitOperations.Streams.EnergyStream"

        If xel.Value.EndsWith("UnitOps.Vessel") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Vessel"
        If xel.Value.EndsWith("UnitOps.Compressor") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Compressor"
        If xel.Value.EndsWith("UnitOps.Expander") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Expander"
        If xel.Value.EndsWith("UnitOps.Heater") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Heater"
        If xel.Value.EndsWith("UnitOps.Cooler") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Cooler"
        If xel.Value.EndsWith("UnitOps.HeatExchanger") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.HeatExchanger"
        If xel.Value.EndsWith("UnitOps.Filter") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Filter"
        If xel.Value.EndsWith("UnitOps.Mixer") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Mixer"
        If xel.Value.EndsWith("UnitOps.Splitter") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Splitter"
        If xel.Value.EndsWith("UnitOps.ComponentSeparator") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.ComponentSeparator"
        If xel.Value.EndsWith("UnitOps.ShortcutColumn") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.ShortcutColumn"
        If xel.Value.EndsWith("UnitOps.CustomUO") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.CustomUO"
        If xel.Value.EndsWith("UnitOps.CapeOpenUO") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.CapeOpenUO"
        If xel.Value.EndsWith("UnitOps.Flowsheet") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Flowsheet"
        If xel.Value.EndsWith("UnitOps.OrificePlate") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.OrificePlate"
        If xel.Value.EndsWith("UnitOps.SolidsSeparator") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.SolidsSeparator"
        If xel.Value.EndsWith("UnitOps.ExcelUO") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.ExcelUO"
        If xel.Value.EndsWith("UnitOps.Tank") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Tank"
        If xel.Value.EndsWith("UnitOps.Valve") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Valve"
        If xel.Value.EndsWith("UnitOps.Pump") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Pump"
        If xel.Value.EndsWith("UnitOps.Pipe") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Pipe"
        If xel.Value.EndsWith("UnitOps.DistillationColumn") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.DistillationColumn"
        If xel.Value.EndsWith("UnitOps.AbsorptionColumn") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.AbsorptionColumn"
        If xel.Value.EndsWith("UnitOps.ReboiledAbsorber") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.ReboiledAbsorber"
        If xel.Value.EndsWith("UnitOps.RefluxedAbsorber") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.RefluxedAbsorber"

        If xel.Value.EndsWith("Reactors.Reactor_Conversion") Then xel.Value = "DWSIM.UnitOperations.Reactors.Reactor_Conversion"
        If xel.Value.EndsWith("Reactors.Reactor_Equilibrium") Then xel.Value = "DWSIM.UnitOperations.Reactors.Reactor_Equilibrium"
        If xel.Value.EndsWith("Reactors.Reactor_Gibbs") Then xel.Value = "DWSIM.UnitOperations.Reactors.Reactor_Gibbs"
        If xel.Value.EndsWith("Reactors.Reactor_PFR") Then xel.Value = "DWSIM.UnitOperations.Reactors.Reactor_PFR"
        If xel.Value.EndsWith("Reactors.Reactor_CSTR") Then xel.Value = "DWSIM.UnitOperations.Reactors.Reactor_CSTR"

        If xel.Value.EndsWith("SpecialOps.Adjust") Then xel.Value = "DWSIM.UnitOperations.SpecialOps.Adjust"
        If xel.Value.EndsWith("SpecialOps.Spec") Then xel.Value = "DWSIM.UnitOperations.SpecialOps.Spec"
        If xel.Value.EndsWith("SpecialOps.Recycle") Then xel.Value = "DWSIM.UnitOperations.SpecialOps.Recycle"
        If xel.Value.EndsWith("SpecialOps.EnergyRecycle") Then xel.Value = "DWSIM.UnitOperations.SpecialOps.EnergyRecycle"

        If xel.Value.EndsWith("DWSIM.MaterialStream") Then xel.Value = "DWSIM.Thermodynamics.Streams.MaterialStream"

        If xel.Value.EndsWith("DWSIM.EnergyStream") Then xel.Value = "DWSIM.UnitOperations.Streams.EnergyStream"

        If xel.Value.EndsWith("DWSIM.Vessel") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Vessel"
        If xel.Value.EndsWith("DWSIM.Compressor") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Compressor"
        If xel.Value.EndsWith("DWSIM.Expander") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Expander"
        If xel.Value.EndsWith("DWSIM.Heater") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Heater"
        If xel.Value.EndsWith("DWSIM.Cooler") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Cooler"
        If xel.Value.EndsWith("DWSIM.HeatExchanger") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.HeatExchanger"
        If xel.Value.EndsWith("DWSIM.Filter") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Filter"
        If xel.Value.EndsWith("DWSIM.Mixer") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Mixer"
        If xel.Value.EndsWith("DWSIM.Splitter") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Splitter"
        If xel.Value.EndsWith("DWSIM.ComponentSeparator") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.ComponentSeparator"
        If xel.Value.EndsWith("DWSIM.ShortcutColumn") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.ShortcutColumn"
        If xel.Value.EndsWith("DWSIM.CustomUO") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.CustomUO"
        If xel.Value.EndsWith("DWSIM.CapeOpenUO") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.CapeOpenUO"
        If xel.Value.EndsWith("DWSIM.Flowsheet") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Flowsheet"
        If xel.Value.EndsWith("DWSIM.OrificePlate") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.OrificePlate"
        If xel.Value.EndsWith("DWSIM.SolidsSeparator") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.SolidsSeparator"
        If xel.Value.EndsWith("DWSIM.ExcelUO") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.ExcelUO"
        If xel.Value.EndsWith("DWSIM.Tank") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Tank"
        If xel.Value.EndsWith("DWSIM.Valve") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Valve"
        If xel.Value.EndsWith("DWSIM.Pump") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Pump"
        If xel.Value.EndsWith("DWSIM.Pipe") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Pipe"
        If xel.Value.EndsWith("DWSIM.DistillationColumn") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.DistillationColumn"
        If xel.Value.EndsWith("DWSIM.AbsorptionColumn") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.AbsorptionColumn"
        If xel.Value.EndsWith("DWSIM.ReboiledAbsorber") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.ReboiledAbsorber"
        If xel.Value.EndsWith("DWSIM.RefluxedAbsorber") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.RefluxedAbsorber"

        If xel.Value.EndsWith("DWSIM.Reactor_Conversion") Then xel.Value = "DWSIM.UnitOperations.Reactors.Reactor_Conversion"
        If xel.Value.EndsWith("DWSIM.Reactor_Equilibrium") Then xel.Value = "DWSIM.UnitOperations.Reactors.Reactor_Equilibrium"
        If xel.Value.EndsWith("DWSIM.Reactor_Gibbs") Then xel.Value = "DWSIM.UnitOperations.Reactors.Reactor_Gibbs"
        If xel.Value.EndsWith("DWSIM.Reactor_PFR") Then xel.Value = "DWSIM.UnitOperations.Reactors.Reactor_PFR"
        If xel.Value.EndsWith("DWSIM.Reactor_CSTR") Then xel.Value = "DWSIM.UnitOperations.Reactors.Reactor_CSTR"

        If xel.Value.EndsWith("DWSIM.Adjust") Then xel.Value = "DWSIM.UnitOperations.SpecialOps.Adjust"
        If xel.Value.EndsWith("DWSIM.Spec") Then xel.Value = "DWSIM.UnitOperations.SpecialOps.Spec"
        If xel.Value.EndsWith("DWSIM.Recycle") Then xel.Value = "DWSIM.UnitOperations.SpecialOps.Recycle"
        If xel.Value.EndsWith("DWSIM.EnergyRecycle") Then xel.Value = "DWSIM.UnitOperations.SpecialOps.EnergyRecycle"

    End Sub

    Shared Sub UpdateElementForNewUI(xel As XElement)

        If xel.Name = "TipoObjeto" Then xel.Name = "ObjectType"
        If xel.Name = "Nome" Then xel.Name = "Name"
        If xel.Name = "Descricao" Then xel.Name = "Description"
        If xel.Name = "Tipo" Then xel.Name = "Type"
        If xel.Name = "FracaoMolar" Then xel.Name = "MoleFraction"
        If xel.Name = "FracaoMassica" Then xel.Name = "MassFraction"
        If xel.Name = "FracaoDePetroleo" Then xel.Name = "PetroleumFraction"
        If xel.Value = "Nenhum" Then xel.Value = "None"
        If xel.Value = "Destino" Then xel.Value = "Target"
        If xel.Value = "Fonte" Then xel.Value = "Source"
        If xel.Value = "Manipulada" Then xel.Value = "Manipulated"
        If xel.Value = "Referencia" Then xel.Value = "Referenced"
        If xel.Value = "Controlada" Then xel.Value = "Controlled"

        If xel.Name = "Fill" Then xel.Value = "True"

        If xel.Value.Equals("DWSIM.DrawingTools.GraphicObjects.ReactorEquilibriumGraphic") Then
            xel.Value = "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.EquilibriumReactorGraphic"
        ElseIf xel.Value.Equals("DWSIM.DrawingTools.GraphicObjects.ReactorConversionGraphic") Then
            xel.Value = "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.ConversionReactorGraphic"
        ElseIf xel.Value.Equals("DWSIM.DrawingTools.GraphicObjects.ReactorGibbsGraphic") Then
            xel.Value = "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.GibbsReactorGraphic"
        ElseIf xel.Value.Equals("DWSIM.DrawingTools.GraphicObjects.ReactorCSTRGraphic") Then
            xel.Value = "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.CSTRGraphic"
        ElseIf xel.Value.Equals("DWSIM.DrawingTools.GraphicObjects.ReactorPFRGraphic") Then
            xel.Value = "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.PFRGraphic"
        ElseIf xel.Value.Equals("DWSIM.DrawingTools.GraphicObjects.NodeInGraphic") Then
            xel.Value = "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.MixerGraphic"
        ElseIf xel.Value.Equals("DWSIM.DrawingTools.GraphicObjects.NodeOutGraphic") Then
            xel.Value = "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.SplitterGraphic"
        ElseIf xel.Value.Equals("DWSIM.DrawingTools.GraphicObjects.HeaterGraphic") Then
            xel.Value = "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.HeaterGraphic"
        ElseIf xel.Value.Equals("DWSIM.DrawingTools.GraphicObjects.CoolerGraphic") Then
            xel.Value = "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.CoolerGraphic"
        ElseIf xel.Value.Equals("DWSIM.DrawingTools.GraphicObjects.CompressorGraphic") Then
            xel.Value = "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.CompressorGraphic"
        ElseIf xel.Value.Equals("DWSIM.DrawingTools.GraphicObjects.ExpanderGraphic") Then
            xel.Value = "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.ExpanderGraphic"
        ElseIf xel.Value.Equals("DWSIM.DrawingTools.GraphicObjects.ShorcutColumnGraphic") Then
            xel.Value = "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.ShortcutColumnGraphic"
        ElseIf xel.Value.Equals("DWSIM.DrawingTools.GraphicObjects.DistillationColumnGraphic") Then
            xel.Value = "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.RigorousColumnGraphic"
        ElseIf xel.Value.Equals("DWSIM.DrawingTools.GraphicObjects.AbsorptionColumnGraphic") Then
            xel.Value = "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.AbsorptionColumnGraphic"
        ElseIf xel.Value.Equals("DWSIM.DrawingTools.GraphicObjects.FlowsheetUOGraphic") Then
            xel.Value = "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.FlowsheetGraphic"
        ElseIf xel.Value.Equals("DWSIM.DrawingTools.GraphicObjects.CustomUOGraphic") Then
            xel.Value = "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.ScriptGraphic"
        ElseIf xel.Value.Equals("DWSIM.DrawingTools.GraphicObjects.CapeOpenUOGraphic") Then
            xel.Value = "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.CAPEOPENGraphic"
        ElseIf xel.Value.Equals("DWSIM.DrawingTools.GraphicObjects.ExcelUOGraphic") Then
            xel.Value = "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.SpreadsheetGraphic"
        ElseIf xel.Value.Equals("DWSIM.DrawingTools.GraphicObjects.PipeGraphic") Then
            xel.Value = "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.PipeSegmentGraphic"
        ElseIf xel.Value.Equals("DWSIM.DrawingTools.GraphicObjects.TextGraphic") Then
            xel.Value = "DWSIM.Drawing.SkiaSharp.GraphicObjects.TextGraphic"
        End If

        If xel.Value.StartsWith("DWSIM.DrawingTools.GraphicObjects") And xel.Name = "Type" Then
            xel.Value = xel.Value.Replace("DWSIM.DrawingTools.GraphicObjects", "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes")
        End If

        If xel.Value.StartsWith("DWSIM.GraphicObjects") And xel.Name = "Type" Then
            xel.Value = xel.Value.Replace("DWSIM.GraphicObjects", "DWSIM.Drawing.SkiaSharp.GraphicObjects.Tables")
        End If

    End Sub

    Shared Sub UpdateElementFromNewUI(xel As XElement)

        If xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.EquilibriumReactorGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.ReactorEquilibriumGraphic"
        ElseIf xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.ConversionReactorGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.ReactorConversionGraphic"
        ElseIf xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.GibbsReactorGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.ReactorGibbsGraphic"
        ElseIf xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.CSTRGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.ReactorCSTRGraphic"
        ElseIf xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.PFRGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.ReactorPFRGraphic"
        ElseIf xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.MixerGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.NodeInGraphic"
        ElseIf xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.SplitterGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.NodeOutGraphic"
        ElseIf xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.HeaterGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.HeaterGraphic"
        ElseIf xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.CoolerGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.CoolerGraphic"
        ElseIf xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.CompressorGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.CompressorGraphic"
        ElseIf xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.ExpanderGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.ExpanderGraphic"
        ElseIf xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.ShortcutColumnGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.ShorcutColumnGraphic"
        ElseIf xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.RigorousColumnGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.DistillationColumnGraphic"
        ElseIf xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.AbsorptionColumnGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.AbsorptionColumnGraphic"
        ElseIf xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.FlowsheetGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.FlowsheetUOGraphic"
        ElseIf xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.ScriptGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.CustomUOGraphic"
        ElseIf xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.CAPEOPENGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.CapeOpenUOGraphic"
        ElseIf xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.SpreadsheetGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.ExcelUOGraphic"
        ElseIf xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.PipeSegmentGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.PipeGraphic"
        ElseIf xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.TextGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.TextGraphic"
        End If

        If xel.Value.StartsWith("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes") And xel.Name = "Type" Then
            xel.Value = xel.Value.Replace("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes", "DWSIM.DrawingTools.GraphicObjects")
        End If

        If xel.Value.StartsWith("DWSIM.Drawing.SkiaSharp.GraphicObjects.Tables") And xel.Name = "Type" Then
            xel.Value = xel.Value.Replace("DWSIM.Drawing.SkiaSharp.GraphicObjects.Tables", "DWSIM.GraphicObjects")
        End If

        If xel.Value.StartsWith("DWSIM.Drawing.SkiaSharp.GraphicObjects.Charts") And xel.Name = "Type" Then
            xel.Value = xel.Value.Replace("DWSIM.Drawing.SkiaSharp.GraphicObjects.Charts", "DWSIM.DrawingTools.GraphicObjects")
        End If

    End Sub

    Shared Sub UpdateElementForMobileXMLLoading(xel As XElement)

        If xel.Name = "TipoObjeto" Then xel.Name = "ObjectType"
        If xel.Name = "Nome" Then xel.Name = "Name"
        If xel.Name = "Descricao" Then xel.Name = "Description"
        If xel.Name = "Tipo" Then xel.Name = "Type"
        If xel.Name = "FracaoMolar" Then xel.Name = "MoleFraction"
        If xel.Name = "FracaoMassica" Then xel.Name = "MassFraction"
        If xel.Name = "FracaoDePetroleo" Then xel.Name = "PetroleumFraction"
        If xel.Value = "Nenhum" Then xel.Value = "None"
        If xel.Value = "Destino" Then xel.Value = "Target"
        If xel.Value = "Fonte" Then xel.Value = "Source"
        If xel.Value = "Manipulada" Then xel.Value = "Manipulated"
        If xel.Value = "Referencia" Then xel.Value = "Referenced"
        If xel.Value = "Controlada" Then xel.Value = "Controlled"

        If xel.Name = "Fill" Then xel.Value = "True"

        If xel.Value.Equals("PortableFlowsheetDrawing.GraphicObjects.Shapes.EquilibriumReactorGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.ReactorEquilibriumGraphic"
        ElseIf xel.Value.Equals("PortableFlowsheetDrawing.GraphicObjects.Shapes.ConversionReactorGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.ReactorConversionGraphic"
        ElseIf xel.Value.Equals("PortableFlowsheetDrawing.GraphicObjects.Shapes.CSTRGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.ReactorCSTRGraphic"
        ElseIf xel.Value.Equals("PortableFlowsheetDrawing.GraphicObjects.Shapes.PFRGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.ReactorPFRGraphic"
        ElseIf xel.Value.Equals("PortableFlowsheetDrawing.GraphicObjects.Shapes.MixerGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.NodeInGraphic"
        ElseIf xel.Value.Equals("PortableFlowsheetDrawing.GraphicObjects.Shapes.SplitterGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.NodeOutGraphic"
        ElseIf xel.Value.Equals("PortableFlowsheetDrawing.GraphicObjects.Shapes.HeaterCoolerGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.HeaterGraphic"
        ElseIf xel.Value.Equals("PortableFlowsheetDrawing.GraphicObjects.Shapes.CompressorExpanderGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.CompressorGraphic"
        ElseIf xel.Value.Equals("PortableFlowsheetDrawing.GraphicObjects.Shapes.RigorousColumnGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.DistillationColumnGraphic"
        ElseIf xel.Value.Equals("PortableFlowsheetDrawing.GraphicObjects.Shapes.AbsorptionColumnGraphic") Then
            xel.Value = "DWSIM.DrawingTools.GraphicObjects.AbsorptionColumnGraphic"
        End If

        If xel.Value.StartsWith("PortableFlowsheetDrawing.GraphicObjects.Shapes") And xel.Name = "Type" Then
            xel.Value = xel.Value.Replace("PortableFlowsheetDrawing.GraphicObjects.Shapes", "DWSIM.DrawingTools.GraphicObjects")
        End If

        If xel.Value.EndsWith("Streams.MaterialStream") Then xel.Value = "DWSIM.Thermodynamics.Streams.MaterialStream"
        If xel.Value.EndsWith("Streams.EnergyStream") Then xel.Value = "DWSIM.UnitOperations.Streams.EnergyStream"

        If xel.Value.EndsWith("UnitOperations.Separator") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Vessel"
        If xel.Value.EndsWith("UnitOperations.AdiabaticExpanderCompressor") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Compressor"
        If xel.Value.EndsWith("UnitOperations.HeaterCooler") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Heater"
        If xel.Value.EndsWith("UnitOperations.HeatExchanger") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.HeatExchanger"
        If xel.Value.EndsWith("UnitOperations.Mixer") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Mixer"
        If xel.Value.EndsWith("UnitOperations.Splitter") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Splitter"
        If xel.Value.EndsWith("UnitOperations.ComponentSeparator") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.ComponentSeparator"
        If xel.Value.EndsWith("UnitOperations.ShortcutColumn") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.ShortcutColumn"
        If xel.Value.EndsWith("UnitOperations.Valve") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Valve"
        If xel.Value.EndsWith("UnitOperations.Pump") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Pump"
        If xel.Value.EndsWith("UnitOperations.Pipe") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Pipe"
        If xel.Value.EndsWith("UnitOperations.DistillationColumn") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.DistillationColumn"
        If xel.Value.EndsWith("UnitOperations.AbsorptionColumn") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.AbsorptionColumn"

        If xel.Value.EndsWith("Reactors.Reactor_Conversion") Then xel.Value = "DWSIM.UnitOperations.Reactors.Reactor_Conversion"
        If xel.Value.EndsWith("Reactors.Reactor_Equilibrium") Then xel.Value = "DWSIM.UnitOperations.Reactors.Reactor_Equilibrium"
        If xel.Value.EndsWith("Reactors.Reactor_PFR") Then xel.Value = "DWSIM.UnitOperations.Reactors.Reactor_PFR"
        If xel.Value.EndsWith("Reactors.Reactor_CSTR") Then xel.Value = "DWSIM.UnitOperations.Reactors.Reactor_CSTR"

        If xel.Value.EndsWith("UnitOperations.Adjust") Then xel.Value = "DWSIM.UnitOperations.SpecialOps.Adjust"
        If xel.Value.EndsWith("UnitOperations.Recycle") Then xel.Value = "DWSIM.UnitOperations.SpecialOps.Recycle"

    End Sub

    Shared Sub UpdateElementForMobileXMLLoading_CrossPlatformUI(xel As XElement)

        If xel.Name = "TipoObjeto" Then xel.Name = "ObjectType"
        If xel.Name = "Nome" Then xel.Name = "Name"
        If xel.Name = "Descricao" Then xel.Name = "Description"
        If xel.Name = "Tipo" Then xel.Name = "Type"
        If xel.Name = "FracaoMolar" Then xel.Name = "MoleFraction"
        If xel.Name = "FracaoMassica" Then xel.Name = "MassFraction"
        If xel.Name = "FracaoDePetroleo" Then xel.Name = "PetroleumFraction"
        If xel.Value = "Nenhum" Then xel.Value = "None"
        If xel.Value = "Destino" Then xel.Value = "Target"
        If xel.Value = "Fonte" Then xel.Value = "Source"
        If xel.Value = "Manipulada" Then xel.Value = "Manipulated"
        If xel.Value = "Referencia" Then xel.Value = "Referenced"
        If xel.Value = "Controlada" Then xel.Value = "Controlled"

        If xel.Name = "Fill" Then xel.Value = "True"

        If xel.Value.Equals("PortableFlowsheetDrawing.GraphicObjects.Shapes.HeaterCoolerGraphic") Then
            xel.Value = "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.HeaterGraphic"
        ElseIf xel.Value.Equals("PortableFlowsheetDrawing.GraphicObjects.Shapes.CompressorExpanderGraphic") Then
            xel.Value = "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.CompressorGraphic"
        End If

        If xel.Value.StartsWith("PortableFlowsheetDrawing.GraphicObjects.Shapes") And xel.Name = "Type" Then
            xel.Value = xel.Value.Replace("PortableFlowsheetDrawing.GraphicObjects.Shapes", "DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes")
        End If

        If xel.Value.StartsWith("PortableFlowsheetDrawing.GraphicObjects.Tables") And xel.Name = "Type" Then
            xel.Value = xel.Value.Replace("PortableFlowsheetDrawing.GraphicObjects.Tables", "DWSIM.Drawing.SkiaSharp.GraphicObjects.Tables")
        End If

        If xel.Value.Contains("PortableFlowsheetDrawing.GraphicObjects.TableGraphic") And xel.Name = "Type" Then
            xel.Value = xel.Value.Replace("PortableFlowsheetDrawing.GraphicObjects.TableGraphic", "DWSIM.Drawing.SkiaSharp.GraphicObjects.Tables.TableGraphic")
        End If

        If xel.Value.EndsWith("Streams.MaterialStream") Then xel.Value = "DWSIM.Thermodynamics.Streams.MaterialStream"
        If xel.Value.EndsWith("Streams.EnergyStream") Then xel.Value = "DWSIM.UnitOperations.Streams.EnergyStream"

        If xel.Value.EndsWith("UnitOperations.Separator") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Vessel"
        If xel.Value.EndsWith("UnitOperations.AdiabaticExpanderCompressor") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Compressor"
        If xel.Value.EndsWith("UnitOperations.HeaterCooler") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Heater"
        If xel.Value.EndsWith("UnitOperations.HeatExchanger") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.HeatExchanger"
        If xel.Value.EndsWith("UnitOperations.Mixer") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Mixer"
        If xel.Value.EndsWith("UnitOperations.Splitter") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Splitter"
        If xel.Value.EndsWith("UnitOperations.ComponentSeparator") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.ComponentSeparator"
        If xel.Value.EndsWith("UnitOperations.ShortcutColumn") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.ShortcutColumn"
        If xel.Value.EndsWith("UnitOperations.Valve") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Valve"
        If xel.Value.EndsWith("UnitOperations.Pump") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Pump"
        If xel.Value.EndsWith("UnitOperations.Pipe") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.Pipe"
        If xel.Value.EndsWith("UnitOperations.DistillationColumn") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.DistillationColumn"
        If xel.Value.EndsWith("UnitOperations.AbsorptionColumn") Then xel.Value = "DWSIM.UnitOperations.UnitOperations.AbsorptionColumn"

        If xel.Value.EndsWith("Reactors.Reactor_Conversion") Then xel.Value = "DWSIM.UnitOperations.Reactors.Reactor_Conversion"
        If xel.Value.EndsWith("Reactors.Reactor_Equilibrium") Then xel.Value = "DWSIM.UnitOperations.Reactors.Reactor_Equilibrium"
        If xel.Value.EndsWith("Reactors.Reactor_PFR") Then xel.Value = "DWSIM.UnitOperations.Reactors.Reactor_PFR"
        If xel.Value.EndsWith("Reactors.Reactor_CSTR") Then xel.Value = "DWSIM.UnitOperations.Reactors.Reactor_CSTR"

        If xel.Value.EndsWith("UnitOperations.Adjust") Then xel.Value = "DWSIM.UnitOperations.SpecialOps.Adjust"
        If xel.Value.EndsWith("UnitOperations.Recycle") Then xel.Value = "DWSIM.UnitOperations.SpecialOps.Recycle"

    End Sub

    Shared Sub UpdateElementForMobileXMLSaving_CrossPlatformUI(xel As XElement)

        If xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.HeaterGraphic") Then
            xel.Value = "PortableFlowsheetDrawing.GraphicObjects.Shapes.HeaterCoolerGraphic"
        ElseIf xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.CoolerGraphic") Then
            xel.Value = "PortableFlowsheetDrawing.GraphicObjects.Shapes.HeaterCoolerGraphic"
        ElseIf xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.CompressorGraphic") Then
            xel.Value = "PortableFlowsheetDrawing.GraphicObjects.Shapes.CompressorExpanderGraphic"
        ElseIf xel.Value.Equals("DWSIM.Drawing.SkiaSharp.GraphicObjects.Shapes.TurbineGraphic") Then
            xel.Value = "PortableFlowsheetDrawing.GraphicObjects.Shapes.CompressorExpanderGraphic"
        End If

        If xel.Value.StartsWith("DWSIM.Thermodynamics.BaseClasses") And xel.Name = "Type" Then
            xel.Value = xel.Value.Replace("DWSIM.Thermodynamics.BaseClasses", "PortableSharedClasses.BaseClasses")
        End If

        If xel.Value.StartsWith("DWSIM.Thermodynamics.BaseClasses.PhaseProperties") And xel.Name = "Type" Then
            xel.Value = xel.Value.Replace("DWSIM.Thermodynamics.BaseClasses.PhaseProperties", "PortableSharedClasses.BaseClasses.PhaseProperties")
        End If

        If xel.Value.StartsWith("DWSIM.Thermodynamics.PropertyPackages") And xel.Name = "Type" Then
            xel.Value = xel.Value.Replace("DWSIM.Thermodynamics.PropertyPackages", "PortableDTL.DTL.SimulationObjects.PropertyPackages")
        End If

        If xel.Value.Contains("DWSIM.Drawing.SkiaSharp.GraphicObjects.Tables.TableGraphic") And xel.Name = "Type" Then
            xel.Value = xel.Value.Replace("DWSIM.Drawing.SkiaSharp.GraphicObjects.Tables.TableGraphic", "PortableFlowsheetDrawing.GraphicObjects.TableGraphic")
        End If

        If xel.Value.StartsWith("DWSIM.Drawing.SkiaSharp.GraphicObjects.Tables") And xel.Name = "Type" Then
            xel.Value = xel.Value.Replace("DWSIM.Drawing.SkiaSharp.GraphicObjects.Tables", "PortableFlowsheetDrawing.GraphicObjects")
        End If

        If xel.Value.StartsWith("DWSIM.Drawing.SkiaSharp") And xel.Name = "Type" Then
            xel.Value = xel.Value.Replace("DWSIM.Drawing.SkiaSharp", "PortableFlowsheetDrawing")
        End If

        If xel.Value.StartsWith("DWSIM.DrawingTools") And xel.Name = "Type" Then
            xel.Value = xel.Value.Replace("DWSIM.DrawingTools", "PortableFlowsheetDrawing")
        End If

        If xel.Value.StartsWith("DWSIM.SharedClasses") And xel.Name = "Type" Then
            xel.Value = xel.Value.Replace("DWSIM.SharedClasses", "PortableSharedClasses")
        End If

        If xel.Value.Equals("DWSIM.Thermodynamics.Streams.MaterialStream") Then xel.Value = "PortableDTL.DTL.SimulationObjects.Streams.MaterialStream"
        If xel.Value.Equals("DWSIM.UnitOperations.Streams.EnergyStream") Then xel.Value = "PortableDTL.DTL.SimulationObjects.Streams.EnergyStream"

        If xel.Value.Equals("DWSIM.UnitOperations.UnitOperations.Vessel") Then xel.Value = "PortableDTL.DTL.SimulationObjects.UnitOperations.Separator"
        If xel.Value.Equals("DWSIM.UnitOperations.UnitOperations.Compressor") Then xel.Value = "PortableDTL.DTL.SimulationObjects.UnitOperations.AdiabaticExpanderCompressor"
        If xel.Value.Equals("DWSIM.UnitOperations.UnitOperations.Expander") Then xel.Value = "PortableDTL.DTL.SimulationObjects.UnitOperations.AdiabaticExpanderCompressor"
        If xel.Value.Equals("DWSIM.UnitOperations.UnitOperations.Heater") Then xel.Value = "PortableDTL.DTL.SimulationObjects.UnitOperations.HeaterCooler"
        If xel.Value.Equals("DWSIM.UnitOperations.UnitOperations.Cooler") Then xel.Value = "PortableDTL.DTL.SimulationObjects.UnitOperations.HeaterCooler"
        If xel.Value.Equals("DWSIM.UnitOperations.UnitOperations.HeatExchanger") Then xel.Value = "PortableDTL.DTL.SimulationObjects.UnitOperations.HeatExchanger"
        If xel.Value.Equals("DWSIM.UnitOperations.UnitOperations.Mixer") Then xel.Value = "PortableDTL.DTL.SimulationObjects.UnitOperations.Mixer"
        If xel.Value.Equals("DWSIM.UnitOperations.UnitOperations.Splitter") Then xel.Value = "PortableDTL.DTL.SimulationObjects.UnitOperations.Splitter"
        If xel.Value.Equals("DWSIM.UnitOperations.UnitOperations.ComponentSeparator") Then xel.Value = "PortableDTL.DTL.SimulationObjects.UnitOperations.ComponentSeparator"
        If xel.Value.Equals("DWSIM.UnitOperations.UnitOperations.ShortcutColumn") Then xel.Value = "PortableDTL.DTL.SimulationObjects.UnitOperations.ShortcutColumn"
        If xel.Value.Equals("DWSIM.UnitOperations.UnitOperations.Valve") Then xel.Value = "PortableDTL.DTL.SimulationObjects.UnitOperations.Valve"
        If xel.Value.Equals("DWSIM.UnitOperations.UnitOperations.Pump") Then xel.Value = "PortableDTL.DTL.SimulationObjects.UnitOperations.Pump"
        If xel.Value.Equals("DWSIM.UnitOperations.UnitOperations.Pipe") Then xel.Value = "PortableDTL.DTL.SimulationObjects.UnitOperations.Pipe"
        If xel.Value.Equals("DWSIM.UnitOperations.UnitOperations.DistillationColumn") Then xel.Value = "PortableDTL.DTL.SimulationObjects.UnitOperations.DistillationColumn"
        If xel.Value.Equals("DWSIM.UnitOperations.UnitOperations.AbsorptionColumn") Then xel.Value = "PortableDTL.DTL.SimulationObjects.UnitOperations.AbsorptionColumn"

        If xel.Value.Equals("DWSIM.UnitOperations.Reactors.Reactor_Conversion") Then xel.Value = "PortableDTL.Reactors.Reactor_Conversion"
        If xel.Value.Equals("DWSIM.UnitOperations.Reactors.Reactor_Equilibrium") Then xel.Value = "PortableDTL.Reactors.Reactor_Equilibrium"
        If xel.Value.Equals("DWSIM.UnitOperations.Reactors.Reactor_PFR") Then xel.Value = "PortableDTL.Reactors.Reactor_PFR"
        If xel.Value.Equals("DWSIM.UnitOperations.Reactors.Reactor_CSTR") Then xel.Value = "PortableDTL.Reactors.Reactor_CSTR"
        If xel.Value.Equals("DWSIM.UnitOperations.Reactors.Reactor_Gibbs") Then xel.Value = "PortableDTL.DTL.Reactors.Reactor_Gibbs"

        If xel.Value.Equals("DWSIM.UnitOperations.SpecialOps.Adjust") Then xel.Value = "PortableDTL.DTL.SimulationObjects.UnitOperations.Adjust"
        If xel.Value.Equals("DWSIM.UnitOperations.SpecialOps.Recycle") Then xel.Value = "PortableDTL.DTL.SimulationObjects.UnitOperations.Recycle"

    End Sub

    Shared Function CheckSimulationForMobileCompatibility(fs As IFlowsheet) As String

        Dim report As String = ""

        Dim unsupp_uocount = fs.SimulationObjects.Values.Where(Function(x) Not x.MobileCompatible).Count
        Dim unsupp_ppcount = fs.PropertyPackages.Values.Where(Function(x) Not x.MobileCompatible).Count

        If unsupp_uocount > 0 Then
            report += "Unsupported Unit Operations: "
            For Each obj In fs.SimulationObjects.Values.Where(Function(x) Not x.MobileCompatible).ToList
                report += obj.GraphicObject.Tag + ", "
            Next
        End If

        If unsupp_ppcount > 0 Then
            report += "Unsupported Property Packages: "
            For Each obj In fs.PropertyPackages.Values.Where(Function(x) Not x.MobileCompatible).ToList
                report += obj.Tag + " (" + obj.Name + ")" + ", "
            Next
        End If

        Return report

    End Function

    Shared Function LoadAdditionalUnitOperations() As List(Of IExternalUnitOperation)

        Dim euos As New List(Of IExternalUnitOperation)

        Dim ppath As String = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly.Location), "unitops")
        If Directory.Exists(ppath) Then
            Dim otheruos As String() = Directory.GetFiles(ppath, "*.dll", SearchOption.TopDirectoryOnly)
            For Each fpath In otheruos
                Dim assmbly As Assembly = Nothing
                Try
                    assmbly = Assembly.LoadFile(fpath)
                    Dim pplist As List(Of Interfaces.IExternalUnitOperation) = GetUnitOperations(assmbly)
                    For Each pp In pplist
                        euos.Add(pp)
                    Next
                Catch ex As ReflectionTypeLoadException
                    If assmbly IsNot Nothing Then
                        Console.WriteLine("Error loading types from assembly'" + assmbly.FullName + "':" + ex.ToString())
                        Logging.Logger.LogError("Error loading types from assembly '" + assmbly.FullName, ex)
                        For Each item In ex.LoaderExceptions
                            Console.WriteLine("LoaderException:" + item.Message + "': " + item.ToString)
                        Next
                    End If
                Catch ex As Exception
                    Logging.Logger.LogError("Loading Additional Unit Operations", ex)
                End Try
            Next
        End If

        ppath = GetExtendersRootDirectory()
        If Directory.Exists(ppath) Then
            Dim otheruos As String() = Directory.GetFiles(ppath, "*Extensions*.dll", SearchOption.TopDirectoryOnly)
            For Each fpath In otheruos
                Try
                    Dim pplist As List(Of Interfaces.IExternalUnitOperation) = GetUnitOperations(Assembly.LoadFile(fpath))
                    For Each pp In pplist
                        euos.Add(pp)
                    Next
                Catch ex As Exception
                    Logging.Logger.LogError("Loading Additional Unit Operations (Extenders)", ex)
                End Try
            Next
        End If

        Return euos

    End Function

    Shared Function LoadAdditionalPropertyPackages() As List(Of IPropertyPackage)

        Dim ppacks As New List(Of IPropertyPackage)

        Dim thermoceos As String = Path.GetDirectoryName(Assembly.GetAssembly(New SystemsOfUnits.SI().GetType()).Location) + Path.DirectorySeparatorChar + "DWSIM.Thermodynamics.ThermoC.dll"
        If File.Exists(thermoceos) Then
            Dim tca = Assembly.LoadFile(thermoceos)
            Dim pplist As List(Of Interfaces.IPropertyPackage) = GetPropertyPackages(tca)
            For Each pp In pplist
                ppacks.Add(pp)
            Next
        End If

        Dim ppath As String = Path.Combine(Path.GetDirectoryName(Assembly.GetAssembly(New SystemsOfUnits.SI().GetType()).Location), "ppacks")
        If Directory.Exists(ppath) Then
            Try
                Dim otherpps As String() = Directory.GetFiles(ppath, "*.dll", SearchOption.TopDirectoryOnly)
                For Each fpath In otherpps
                    Dim pplist As List(Of Interfaces.IPropertyPackage) = GetPropertyPackages(Assembly.LoadFile(fpath))
                    For Each pp In pplist
                        ppacks.Add(pp)
                    Next
                Next
            Catch ex As Exception
                Logging.Logger.LogError("Loading Additional Property Packages", ex)
            End Try
        End If

        Dim ppath1 As String = GetExtendersRootDirectory()
        If Directory.Exists(ppath1) Then
            Try
                Dim otherpps As String() = Directory.GetFiles(ppath1, "*Extensions*.dll", SearchOption.TopDirectoryOnly)
                For Each fpath In otherpps
                    Dim pplist As List(Of Interfaces.IPropertyPackage) = GetPropertyPackages(Assembly.LoadFile(fpath))
                    For Each pp In pplist
                        ppacks.Add(pp)
                    Next
                Next
            Catch ex As Exception
                Logging.Logger.LogError("Loading Additional Property Packages (Extenders)", ex)
            End Try
        End If

        Return ppacks

    End Function

    Shared Function LoadAdditionalPropertyPackageAssemblies() As List(Of Assembly)

        Dim ppacks As New List(Of Assembly)

        Dim thermoceos As String = Path.GetDirectoryName(Assembly.GetExecutingAssembly.Location) + Path.DirectorySeparatorChar + "DWSIM.Thermodynamics.ThermoC.dll"
        If File.Exists(thermoceos) Then
            Dim tca = Assembly.LoadFile(thermoceos)
            ppacks.Add(tca)
        End If

        Dim ppath As String = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly.Location), "ppacks")
        If Directory.Exists(ppath) Then
            Try
                Dim otherpps As String() = Directory.GetFiles(ppath, "*.dll", SearchOption.TopDirectoryOnly)
                For Each fpath In otherpps
                    ppacks.Add(Assembly.LoadFile(fpath))
                Next
            Catch ex As Exception
                Logging.Logger.LogError("Loading Additional Property Package Assemblies", ex)
            End Try
        End If

        Return ppacks

    End Function

    Shared Function GetPropertyPackages(ByVal assmbly As Assembly) As List(Of Interfaces.IPropertyPackage)

        Dim availableTypes As New List(Of Type)()

        Try
            availableTypes.AddRange(assmbly.ExportedTypes)
        Catch ex As ReflectionTypeLoadException
            Console.WriteLine("Error loading types from assembly'" + assmbly.FullName + "':" + ex.ToString())
            Logging.Logger.LogError("Error loading types from assembly '" + assmbly.FullName, ex)
            For Each item In ex.LoaderExceptions
                Console.WriteLine("LoaderException:" + item.Message + "': " + item.ToString)
            Next
        Catch ex As Exception
            Console.WriteLine("Error loading types from assembly '" + assmbly.FullName + "': " + ex.ToString)
            Logging.Logger.LogError("Error loading types from assembly '" + assmbly.FullName, ex)
        End Try

        Dim ppList As List(Of Type) = availableTypes.FindAll(Function(t) t.GetInterfaces().Contains(GetType(Interfaces.IPropertyPackage)) And Not t.IsAbstract)

        Dim instances As New List(Of Interfaces.IPropertyPackage)
        For Each item In ppList
            Try
                Dim instance = TryCast(Activator.CreateInstance(item), Interfaces.IPropertyPackage)
                If Not instance Is Nothing Then instances.Add(instance)
            Catch ex As Exception
                Console.WriteLine("Error instantiating '" + item.ToString() + "': " + ex.ToString)
                Logging.Logger.LogError("Error instantiating '" + item.ToString() + "'.", ex)
            End Try
        Next
        Return instances

    End Function

    Shared Function GetUnitOperations(ByVal assmbly As Assembly) As List(Of Interfaces.IExternalUnitOperation)

        Dim availableTypes As New List(Of Type)()

        Try
            availableTypes.AddRange(assmbly.ExportedTypes())
        Catch ex As Exception
            Console.WriteLine("Error loading types from assembly '" + assmbly.FullName + "': " + ex.ToString)
        End Try

        Dim ppList As List(Of Type) = availableTypes.FindAll(Function(t) t.GetInterfaces().Contains(GetType(Interfaces.IExternalUnitOperation)) And Not t.IsAbstract And Not Attribute.IsDefined(t, Type.GetType("System.ObsoleteAttribute")))

        Dim list As New List(Of IExternalUnitOperation)

        For Each item In ppList
            Dim obj = Activator.CreateInstance(item)
            If TryCast(obj, IExternalUnitOperation) IsNot Nothing Then
                list.Add(obj)
            End If
        Next

        Return list

    End Function

    Shared Function GetRuntimeVersion() As String

        Return ".NET (CLR v" & Environment.Version.ToString() & ")"

    End Function

    Public Shared Function GetTempFileName() As String

        Return Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString() + ".tmp")

    End Function

    Public Shared Property DwsimRootDirectoryProvider As Func(Of String) = Function() As String
                                                                               Return Path.GetDirectoryName(GetType(Utility).Assembly.Location)
                                                                           End Function

    Public Shared Function GetDwsimRootDirectory() As String
        Dim a = DwsimRootDirectoryProvider()()
        Return a
    End Function

    Public Shared Function GetExtendersRootDirectory() As String
        Return Path.Combine(GetDwsimRootDirectory(), "extenders")
    End Function

End Class