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5 result(s) for AllowSubTypes

• OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings
  5.1.7 Structures and Unions
  IsOptional flag has an overloaded meaning because it was not possible to add an AllowSubtypes flag to StructureField and preserve backward compatibility. The value StructureType indicates how the IsOptional field
• OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings
  5.1.8 ExtensionObject
  field DataType is Structure . When encoding a field value in a Structure where AllowSubTypes =TRUE (see F.12 ). In all of these cases, the ExtensionObject provides an identifier that allows
• OPC-10000-14 – OPC Unified Architecture - Part 14: PubSub
  7.2.5.4.3 VerboseEncoding and abstract type handling
  same problem exists when a field of a nested Structure has DataType BaseDataType or AllowSubTypes =TRUE. If RawData =FALSE, then the Publisher always includes the full Variant with the UaType ... UaType": 12, "Value":"Apple" } } } Nested structure with AllowSubtypes = FALSE Structure X Int32 S Structure A Double B String
• OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model
  F.1.2.5 Optional fields
  Structures with optional fields to handle the optional Variables . In other configuration Structures , AllowSubtypes is needed. Since AllowSubtypes cannot be combined with IsOptional , optional handling is done with empty arrays
• OPC-10000-81 – OPC Unified Architecture - Part 81: UAFX Connecting Devices and Information Model
  F.1.19 ReceiveQosSelectionDataType
  ReceiveQosSelection is of BaseDataType and thus requires a subtype to be used. The flag AllowSubtypes is only set if the type can be used as well as subtypes. The ReceiveQosSelectionDataType