Thanks Yuhan for getting back to me. (REQUEST HELP AGAIN!)
The latest rule is attached here to is fine. But, it gives me n error when I run the same in Inventor 2018 (and 2015 as well). I can't fix this issue. Could you kindly take a look at this, please.



Public Class RWEI_0001A
Shared oTextSave As String = "C:\Users\Public\Documents\iLogicBuffer.txt"
'https://adndevblog.typepad.com/manufacturing/2013/11/iterate-structured-bomview.html
Sub Main()
'Accessing Assembly Components $ https://modthemachine.typepad.com/my_weblog/2009/03/accessing-assembly-components.html
Dim oDashes As String = ""
Dim iL_NO As String = "BOM-XX WIP"
Dim iL_Name As String = "All Occurrences with BOM Structure"
Dim iL_FullName As String = "Rule " & iL_NO & ": " & iL_Name
Dim oDoc As Document = ThisApplication.ActiveDocument
oDelete_ex_Notepad(oTextSave, iL_NO)
oHL1 = "FILE REFERENCE TREE RAN FROM: " & oDoc.FullFileName
oWrite_HeaderLines(oTextSave, oHL1)
oHL2 = iL_FullName
oWrite_HeaderLines(oTextSave, oHL2)
For i = 1 To Len(iL_FullName)
oDashes = oDashes & "-"
Next i
oWrite_DashLine(oTextSave, oDashes)
oHL3 = ""
oWrite_HeaderLines(oTextSave, oHL3)
' Get the active assembly.
Dim oAsmDoc As AssemblyDocument
oAsmDoc = ThisApplication.ActiveDocument
oAsmDoc.Save
' Call the function that does the recursion.
Dim oParent_ofParent_atL3 As String = ""
Dim oParent_ofParent_atL4 As String = ""
Dim oParent_ofParent_atL5 As String = ""
Dim oLevel_Request As Integer = 1
'oLevel_Request = InputBox("Level for Data Record: ", "USER INPUT REQUEST", oLevel_Request)
Call TraverseAssembly(oAsmDoc.ComponentDefinition.Occurrences, 1, 1, oParent_ofParent_atL3, oParent_ofParent_atL4, oParent_ofParent_atL5, oLevel_Request)
Process.Start("Notepad.exe", oTextSave)
End Sub
Sub TraverseAssembly(Occurrences As ComponentOccurrences, Level As Integer, j As Integer, oParent_ofParent_atL3 As String, oParent_ofParent_atL4 As String, oParent_ofParent_atL5 As String, oLevel_Request As Integer)
' Iterate through all of the occurrence in this collection. This
' represents the occurrences at the top level of an assembly.
Dim oParent_BOM_Structure As String
For Each oOcc In Occurrences
If oOcc.ReferencedDocumentDescriptor.ReferencedDocument.IsModifiable = True Then
If Level = 1 Then
oParent_ofParent = "Not Applicable"
oParent_ofParent_atL3 = "This Document"
If oOcc.DefinitionDocumentType = kPartDocumentObject Then
Else 'If oOcc.DefinitionDocumentType = kAssemblyDocumentObject Then
oParent_ofParent_atL3 = oFn_BrowserName(oOcc)
Call TraverseAssembly(oOcc.SubOccurrences, Level+1, j+1, oParent_ofParent_atL3, oParent_ofParent_atL4, oParent_ofParent_atL5, oLevel_Request)
End If
End If
If Level = 2 Then 'oParent_ofParent_atL3 Processing
oParent_ofParent = "This Document" 'for Level 2 only
If oOcc.DefinitionDocumentType = kPartDocumentObject Then
Else 'If oOcc.DefinitionDocumentType = kAssemblyDocumentObject Then
oParent_ofParent_atL4 = oFn_BrowserName(oOcc)
Call TraverseAssembly(oOcc.SubOccurrences, Level+1, j+1, oParent_ofParent_atL3, oParent_ofParent_atL4, oParent_ofParent_atL5, oLevel_Request)
End If
End If
If Level = 3 Then
oParent_ofParent = oParent_ofParent_atL3 'for Level 2 only
If oOcc.DefinitionDocumentType = kPartDocumentObject Then
Else 'If oOcc.DefinitionDocumentType = kAssemblyDocumentObject Then
oParent_ofParent_atL5 = oFn_BrowserName(oOcc)
Call TraverseAssembly(oOcc.SubOccurrences, Level+1, j+1, oParent_ofParent_atL3, oParent_ofParent_atL4, oParent_ofParent_atL5, oLevel_Request)
End If
End If
If Level = 4 Then
oParent_ofParent = oParent_ofParent_atL4
If oOcc.DefinitionDocumentType = kPartDocumentObject Then
Else 'If oOcc.DefinitionDocumentType = kAssemblyDocumentObject Then
oParent_ofParent_atL6 = oFn_BrowserName(oOcc)
Call TraverseAssembly(oOcc.SubOccurrences, Level+1, j+1, oParent_ofParent_atL3, oParent_ofParent_atL4, oParent_ofParent_atL5, oLevel_Request)
End If
End If
If Level = 5 Then
oParent_ofParent = oParent_ofParent_atL5
If oOcc.DefinitionDocumentType = kPartDocumentObject Then
Else 'If oOcc.DefinitionDocumentType = kAssemblyDocumentObject Then
oParent_ofParent_atL7 = oFn_BrowserName(oOcc)
Call TraverseAssembly(oOcc.SubOccurrences, Level+1, j+1, oParent_ofParent_atL3, oParent_ofParent_atL4, oParent_ofParent_atL5, oLevel_Request)
End If
End If
oOccFFN_cw_EXT = oOcc.ReferencedDocumentDescriptor.ReferencedDocument.FullFileName 'cw file extension
oOccLFN_cwExt = oFnOccc_LocalName_WExt(iL_NO, oOccFFN_cw_EXT)
oOcc_BOM_Structure = oFn_BOM_Structure_Occ(iL_NO, oOcc)
' oParent = oOcc.ReferencedDocumentDescriptor.ReferencedDocument.FullFileName
Try
Dim oParentocc As ComponentOccurrence
oParentocc = oOcc.ParentOccurrence
oParent_BOM_Structure = oFn_BOM_Structure_Occ("",oParentocc)
docFile = oParentocc.Definition.Document
oParentFFN = System.IO.Path.GetFileNameWithoutExtension(docFile.FullFileName)
oParent = System.IO.Path.GetFileName(docFile.FullFileName)
Catch
oParentFFN = System.IO.Path.GetFileNameWithoutExtension(oOcc.Parent.Document.DisplayName)
oParent = System.IO.Path.GetFileName(oOcc.Parent.Document.DisplayName)
End Try
If Level = 1 Then oParent_BOM_Structure = oFn_OccLevel1_BomStructure()
' If Level = oLevel_Request Then
oData_X = oParent_ofParent & " $ " & oAssy_to_Next & "$" & oParent_BOM_Structure & " $ " & oParent & " $ " & oOcc.Name & " $ " & "Level-" & Level & " $ " & oOcc_BOM_Structure
' oData_X = oParent & "$" & oOcc.Name & "$" & "Level-" & Level & "$" & oOcc_BOM_Structure
' oData_X = oOccLFN_cwExt & "$" & oOccFFN_cw_EXT & "$" & oOcc_BOM_Structure & " " & oParent & "$" & oOcc.Name & "$" & "Level-" & Level
oWrite_Data(oTextSave, oData_X)
End If
' End If
Next oOcc
End Sub
Function oFnOccc_LocalName_WExt(iL_NO As String, oOccFFN_cw_EXT As String)
oName_Sub = "oFnOccc_LocalName_WExt"
oTitle = iL_NO & " $ SUB: " & oName_Sub
oPos = Len(oOccFFN_cw_EXT) - InStrRev(oOccFFN_cw_EXT, "\", -1)
oName_Local_cw_Ext = Right(oOccFFN_cw_EXT, oPos)
Return oName_Local_cw_Ext 'Local file name complete with extension
End Function
Function oFn_BOM_Structure_Occ(iL_NO As String, oCompOcc As ComponentOccurrence)
oName_Sub = "oOcc_BOM_Structure"
oTitle = iL_NO & " $ SUB: " & oName_Sub
' Dim oOccurrence As ComponentOccurrence
BOM_X = oCompOcc.BOMStructure 'oCompOcc.Definition.BOMStructure
If BOM_X = BOMStructureEnum.kDefaultBOMStructure Then oOcc_BOM_Structure = "Default"
If BOM_X = BOMStructureEnum.kNormalBOMStructure Then oOcc_BOM_Structure = "Normal"
If BOM_X = BOMStructureEnum.kReferenceBOMStructure Then oOcc_BOM_Structure = "Reference"
If BOM_X = BOMStructureEnum.kPhantomBOMStructure Then oOcc_BOM_Structure = "Phantom"
If BOM_X = BOMStructureEnum.kPurchasedBOMStructure Then oOcc_BOM_Structure = "Purchased"
If BOM_X = BOMStructureEnum.kInseparableBOMStructure Then oOcc_BOM_Structure = "Inseparable"
If BOM_X = BOMStructureEnum.kVariesBOMStructure Then oOcc_BOM_Structure = "Varies"
'oOcc_BOM_Structure = oFnOccc_LocalName_WExt(iL_NO, oFFN_X) & " <- " & oOcc_BOM_Structure & "(BOM STATUS: Default)"
Dim BOM_Structure_Return As String = oOcc_BOM_Structure
Return BOM_Structure_Return
End Function
'Process.Start("Notepad.exe", oTextSave)
Sub oWrite_Data(oTextSave As String, oData As String)
oWrite = System.IO.File.AppendText(oTextSave)
oWrite.WriteLine(oData)
oWrite.Flush()
oWrite.Close
End Sub
Sub oWrite_HeaderLines(oTextSave As String, oHeaderLine As String)
oWrite = System.IO.File.AppendText(oTextSave)
oWrite.WriteLine(oHeaderLine)
oWrite.Flush()
oWrite.Close
End Sub
Sub oWrite_DashLine(oTextSave As String, oDashes As String)
oWrite = System.IO.File.AppendText(oTextSave)
oWrite.WriteLine(oDashes)
oWrite.Flush()
oWrite.Close
End Sub
Function oFn_OccLevel1_BomStructure()
Dim doc = ThisDoc.Document
oBOM = doc.ComponentDefinition.BOMStructure
If oBOM = BOMStructureEnum.kDefaultBOMStructure Then oOcc_BOM_Structure = "Default"
If oBOM = BOMStructureEnum.kNormalBOMStructure Then oOcc_BOM_Structure = "Normal"
If oBOM = BOMStructureEnum.kReferenceBOMStructure Then oOcc_BOM_Structure = "Reference"
If oBOM = BOMStructureEnum.kPhantomBOMStructure Then oOcc_BOM_Structure = "Phantom"
If oBOM = BOMStructureEnum.kPurchasedBOMStructure Then oOcc_BOM_Structure = "Purchased"
If oBOM = BOMStructureEnum.kInseparableBOMStructure Then oOcc_BOM_Structure = "Inseparable"
If oBOM = BOMStructureEnum.kVariesBOMStructure Then oOcc_BOM_Structure = "Varies"
Dim BOM_Structure_Return As String = oOcc_BOM_Structure
Return BOM_Structure_Return
End Function
Sub oDelete_ex_Notepad(oTextSave As String, iL_NO As String) 'To delete oTextSave if existing.
If System.IO.File.Exists(oTextSave) = True Then
System.IO.File.Delete(oTextSave)
End If
End Sub
Function oFn_BrowserName(oOcc As ComponentOccurrence)
Dim oAsmDoc As AssemblyDocument
oAsmDoc = ThisApplication.ActiveDocument
' Get the model browser
Dim oPane As BrowserPane
oPane = oAsmDoc.BrowserPanes.Item("Model")
Dim oSubAssyNode As BrowserNode
oSubAssyNode = oPane.GetBrowserNodeFromObject(oOcc)
Dim oBrowserName_Old As String
oBrowserName_Old = oSubAssyNode.NativeObject.Name
Return oBrowserName_Old
End Function
End Class