Demo3D 2022 API Documentation
Demo3D Namespaces
Demo3D.PLC Namespaces
Demo3D.PLC.Comms Namespaces
Demo3D.PLC.Comms
AccessParameters Class
AccessRights Enumeration
AccessRightsExtensions Class
AddressArea Structure
AddressAreaExtensions Class
AddressExtensions Class
AddressTranslatorServiceExtensions Class
Alignment Class
Alignment.Packed Class
Alignment.Sequential Class
Alignment.Sequential16 Class
Alignment.Sequential32 Class
Alignment.Sequential64 Class
BrowseFlags Enumeration
BrowseFlagsExtension Class
BrowseItemBase Class
BrowseItemBase.SearchFlags Enumeration
BrowseItemBranch Class
BrowseItemExtensions Class
BufferDataConverter Class
BufferDataConverter.PacketMarshallerDelegate Delegate
BufferDataConverter.PacketUnmarshallerDelegate Delegate
BufferDataConverterContext Class
BufferDataConverterContextProvider Class
CanReadSymbolsFlags Enumeration
ConnectionPointContainerExtensions Class
ConversionDelegate Delegate
ConversionFunction Class
DataArray(T) Class
DataContextProvider Class
DataConverter Class
DataConverterAttribute Class
DataDimension Structure
DataStruct Class
DataType Class
DataType.Builder Class
DataType.ConvertibleFlags Enumeration
DataType.FieldItem Class
DataType.MemoryLayout Class
DataValue Structure
FieldDescriptor Class
FieldOffsetBitsAttribute Class
FieldSizeBitsAttribute Class
IAddress Interface
IAddressSpace Interface
IAddressTranslatorService Interface
IBrowseItem Interface
IBrowseItemDescription Interface
IConnectionClosed Interface
IConnectionPoint Interface
IConnectionPointContainer Interface
IDataContextProvider Interface
IIOStages Interface
IListExt Interface
INotifySymbolTable Interface
IOAsyncDelegate(T) Delegate
IOControl Enumeration
IOErrorHandler Delegate
IOErrorResponse Enumeration
IOEventHandler Delegate
IOffloadingService Interface
IOStages Class
ISymbolTable Interface
ISynchronizedIOService Interface
MemoryAddress Class
MemoryAddress.MemoryAddressConverter(AddressType) Class
MemorySymbolTable(AddressType) Class
MessageContextBase Class
MetaProperties Class
MetaPropertyDatabase Class
MetaPropertyDescriptor Class
NotifyDataChangedService Class
NotifyIOStages Class
PlcFlags Enumeration
PlcFlagsExtensions Class
SequentialVectoredRead(T) Class
SequentialVectoredWrite(T) Class
StringAddress Class
TypedMemoryAddress Class
VectoredRequest Class
VectoredRequestExtensions Class
VectoredRequests Class
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IOAsyncDelegateT Delegate

Delegate for IO with the peer.

Namespace:  Demo3D.PLC.Comms
Assembly:  PLC (in PLC.dll) Version: 15.0.2.11458
Syntax
C#
Copy
public delegate Task<bool> IOAsyncDelegate<T>(
	bool sync,
	T request,
	Object? userState
)
where T : VectoredRequest

Parameters

sync
Type: SystemBoolean
If true, the Task returned is guaranteed to be complete.
request
Type: T
The IO request.
userState
Type: SystemObject
User state (or null).

Type Parameters

T
Type of VectoredRequest.

Return Value

Type: TaskBoolean
True if the request succeeded.
See Also