Indicates /R revision value. Setting this field defines what KeyLength and EncryptionMethod. 
            REVISION_2 uses KeyLength = 16 and EncryptionMethod = RC4_V1. Open in Acrobat 5.0 and later.
            REVISION_3 uses KeyLength = 16 and EncryptionMethod = RC4_V1. Open in Acrobat 5.0 and later.
            REVISION_4 uses KeyLength = 16 and EncryptionMethod = AES_V1. Open in Acrobat 7.0 and later.
            REVISION_5 uses KeyLength = 32 and EncryptionMethod = AES_V2. Open in Acrobat 9.0 and later.
            
            Syntax
            
        
            Field Value
ImGearPDFRevision enumeration value.
 
            
            
            
            
            
            
            
            
            
            See Also