Option Strict Off
Imports System
Imports System.Collections.Generic
Imports NXOpen

Module NXJournal

    Sub Main()

        Dim theSession As Session = Session.GetSession()
        Dim workPart As Part = theSession.Parts.Work
        Dim displayPart As Part = theSession.Parts.Display
        Dim lw As ListingWindow = theSession.ListingWindow
        Dim mySelectedComponents As New List(Of Assemblies.Component)
        Dim theUI As UI = UI.GetUI()

        ' Component selection
        If SelectObjects("Please select a component", mySelectedComponents) <> Selection.Response.Ok Then
            return
        End If

        lw.open()

        For Each theComponent As Assemblies.Component in mySelectedComponents
            Dim myPart As Part = CType(theComponent.Prototype.OwningPart, Part)
            For Each myBody As Body In myPart.Bodies
                If myBody.IsSolidBody() Then
                    lw.writeline( myBody.Density )
                End If
            Next
        Next

    End Sub

    Function SelectObjects(prompt As String, ByRef dispObj As List(Of Assemblies.Component)) As Selection.Response

        Dim selObj As NXObject()
        Dim selectionMask_array(0) As Selection.MaskTriple

        With selectionMask_array(0)
            .Type = UF.UFConstants.UF_component_type
            .Subtype = UF.UFConstants.UF_component_subtype
        End With

        Dim resp As Selection.Response = UI.GetUI.SelectionManager.SelectObjects(
            prompt, 
            "Select objects", ' title
            Selection.SelectionScope.AnyInAssembly, ' SelectionScope
            Selection.SelectionAction.ClearAndEnableSpecific, ' SelectionAction
            False, ' includeFeatures
            False, ' keepHighlighted
            selectionMask_array, 
            selObj)

        If resp = Selection.Response.Ok Then
            For Each item As NXObject In selObj
                dispObj.Add(CType(item, DisplayableObject))
            Next
            Return Selection.Response.Ok
        Else
            Return Selection.Response.Cancel
        End If

    End Function

End Module