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'For complete examples and data files, please go to https://github.com/groupdocsmetadata/GroupDocs_Metadata_NET
'''<summary>
''' Compares and finds metadata difference of two files 
''' </summary>
''' <param name="filePath1">First file path</param>
''' <param name="filePath2">Second file path</param>
Public Shared Sub CompareFilesMetadata(filePath1 As String, filePath2 As String)
    Try
        ' path to the document
        filePath1 = Common.MapSourceFilePath(filePath1)

        ' path to the compared document
        filePath2 = Common.MapSourceFilePath(filePath2)

        ' get diffences between metadata
        Dim diffenceProperties As MetadataPropertyCollection = MetadataUtility.CompareDoc(filePath1, filePath2)

        ' go through collection and show differences
        For Each [property] As MetadataProperty In diffenceProperties
            Console.WriteLine("Property = {0}, value = {1}", [property].Name, [property].Value)
        Next
    Catch exp As Exception
        Console.WriteLine(exp.Message)
    End Try
End Sub