iLogic-Development/DeleteAppearances_and_OLE.ILOGICVB at main · TeeVar/iLogic-Development · GitHub

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Sub Main()
	Dim TotalAppearancesDeleted As Integer = 0

	'Delete appearances in current document
	Try
		Dim oDoc As Inventor.Document = ThisApplication.ActiveDocument
		DeleteOLEs(oDoc)
		Dim appearance As Inventor.Asset
		For Each appearance In oDoc.AppearanceAssets
		   Try
		   	appearance.Delete
			TotalAppearancesDeleted = TotalAppearancesDeleted + 1
		   Catch ex As Exception
		   End Try
		Next
	Catch
		Try
			Dim oDoc2 As Inventor.AssemblyDocument = ThisApplication.ActiveDocument
			Dim appearance As Inventor.Asset
			For Each appearance In oDoc2.AppearanceAssets
			   Try
			   	appearance.Delete
				TotalAppearancesDeleted = TotalAppearancesDeleted + 1
			   Catch
			   End Try
			Next
		Catch
		End Try
	End Try


    ' Get all occurrences from component definition for Assembly document
	Dim oCompDef As Inventor.ComponentDefinition
    oCompDef = ThisApplication.ActiveDocument.ComponentDefinition
	Dim oCompOcc As Inventor.ComponentOccurrence
    For Each oCompOcc In oCompDef.Occurrences

		Try
		        ' Check if it's child occurrence (leaf node)
		        If oCompOcc.SubOccurrences.Count = 0 Then
					'Not an assembly - try to delete its appearances
					Dim CompDoc As Inventor.Document = oCompOcc.Definition.Document
					DeleteOLEs(CompDoc)
					For Each appearance In CompDoc.AppearanceAssets
		       		    Try
					  	 	appearance.Delete
					 	Catch
					    End Try
					Next
		        Else
					'It's an assembly, process its components
		            TotalAppearancesDeleted = TotalAppearancesDeleted + processAllSubOcc(oCompOcc)
		        End If

		Catch
		End Try
	Next
    MessageBox.Show("Deleted a total of : " & TotalAppearancesDeleted.ToString() & " appearances.")
End Sub

' This function is called for processing sub assembly.  It is called recursively
' to iterate through the entire assembly tree.
Private Function processAllSubOcc(ByVal oCompOcc As ComponentOccurrence) As Integer
    Dim ReturnDeletes As Integer = 0
	Dim SubAssyDoc As Inventor.Document = oCompOcc.Definition.Document
	DeleteOLEs(SubAssyDoc)
	For Each appearance In SubAssyDoc.AppearanceAssets
	    'Delete the appearances from the currently processing sub assembly
	    Try
	  	 	appearance.Delete
			ReturnDeletes = ReturnDeletes + 1
	 	Catch
		End Try
	Next

    Dim oSubCompOcc As ComponentOccurrence
    For Each oSubCompOcc In oCompOcc.SubOccurrences
		Try
	        ' Check if it's child occurrence (leaf node)
	        If oSubCompOcc.SubOccurrences.Count = 0 Then
			  'It's a part, delete its appearances
	          Dim CompDoc As Inventor.Document = oSubCompOcc.Definition.Document
			  DeleteOLEs(CompDoc)
				For Each appearance In CompDoc.AppearanceAssets

				    Try
				  	 	appearance.Delete
						ReturnDeletes = ReturnDeletes + 1
				 	Catch
			  		 End Try
				Next
	        Else
				'It's an assembly, process occurrences
	            ReturnDeletes = ReturnDeletes + processAllSubOcc(oSubCompOcc)
	        End If
			Catch
			End Try
    Next
	Return ReturnDeletes
End Function

Function DeleteOLEs(parentDoc As Object) As Integer
	Dim NumDeleted As Integer = 0
	Try
		Dim oEachOLEDesc As Inventor.ReferencedOLEFileDescriptor
        For Each oEachOLEDesc In parentDoc.ReferencedOLEFileDescriptors
			'If oEachOLEDesc.ReferenceStatus = Inventor.ReferenceStatusEnum.kMissingReference Then
				oEachOLEDesc.Delete
				NumDeleted = NumDeleted + 1
				MessageBox.Show("Deleted an OLE")
	            parentDoc.Dirty = True
			'End If

        Next
	Catch
	End Try

	Return NumDeleted

End Function