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' For complete examples and data files, please go to https://github.com/groupdocsmetadata/GroupDocs_Metadata_NET
' initialize TiffFormat
Dim tiffFormat As New TiffFormat(Common.MapSourceFilePath(filePath))

tiffFormat.ExifValues.CameraOwnerName = "camera owner's name"

' set user comment
tiffFormat.ExifValues.UserComment = "user's comment"

' commit changes
tiffFormat.Save(Common.MapDestinationFilePath(filePath))