Enum PropertyAttributes Path C++ Link System.Data.PropertyAttributes, System.Data underlying int32 System.Data Values 5 NameValueHex NotSupported00x00Required10x01Optional20x02Read5120x200Write10240x400 // System.Data.PropertyAttributes, System.Data enum class PropertyAttributes : int32 { NotSupported = 0, Required = 1, Optional = 2, Read = 512, Write = 1024, };