Demo3D 2026 API Documentation
Demo3D Namespaces
Demo3D.PLC Namespaces
Demo3D.PLC.Comms Namespaces
Demo3D.PLC.Comms
AccessParameters Class
AccessRights Enumeration
ActivatorFlags Enumeration
AddressArea Structure
Alignment Class
Alignment.Packed Class
Alignment.Sequential Class
Alignment.Sequential16 Class
Alignment.Sequential32 Class
Alignment.Sequential64 Class
BrowseFlags Enumeration
BrowseItemBase Class
BrowseItemBase.SearchFlags Enumeration
BrowseItemBranch Class
BrowseItemExtensions Class
BufferDataConverterContext Class
BufferDataConverterContextProvider Class
BufferDataMarshaller Class
BufferMarshaller Class
BufferMarshaller<T> Class
CanModifySymbolFlags Enumeration
CanReadSymbolsFlags Enumeration
ConnectionPointExtensions Class
ConversionDelegate Delegate
ConversionFunction Class
DataArray<T> Class
DataArray<T>.IndexRange Structure
DataArray<T>.ValueChange Structure
DataArrayBounds Class
DataContextProvider Class
DataConverter Class
DataConverterAttribute Class
DataDimension Class
DataStruct Class
DataStructIgnoreAttribute Class
DataType Class
DataType.Builder Class
DataType.ConvertibleFlags Enumeration
DataType.FieldItem Class
DataType.MemoryLayout Class
DataValue Structure
DataValue<T> Structure
DeltaValue Structure
FieldDescriptor Class
FieldOffsetBitsAttribute Class
FieldSizeBitsAttribute Class
IAddress Interface
IAddressSpace Interface
IAddressTranslatorService Interface
IBrowseItem Interface
IBrowseItemDescription Interface
IConnectionPoint Interface
IDataContextProvider Interface
IDataRefreshService Interface
IListExt Interface
IModifySymbolTable Interface
INotifySymbolTable Interface
IOAsyncDelegate<T> Delegate
IOBeforeHandler Delegate
IOControl Enumeration
IOErrorHandler Delegate
IOffloadingService Interface
IOSuccessHandler Delegate
IReplaceSymbolTable Interface
ISymbolTable Interface
ISynchronizedCoSimulator Interface
ISynchronizedIOService Interface
MemoryAddress Class
MemoryAddress.MemoryAddressConverter<AddressType> Class
MemorySymbolTable<AddressType> Class
MessageContextBase Class
MetaProperties Class
MetaPropertyDatabase Class
MetaPropertyDescriptor Class
PlcFlags Enumeration
StringAddress Class
TypedMemoryAddress Class
VectoredRequest 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: 19.00.00
Syntax
C#
Copy
public delegate Task IOAsyncDelegate<T>(
	bool sync,
	T request
)
where T : VectoredRequest

Parameters

sync  Boolean
If true, the Task returned is guaranteed to be complete.
request  T
The IO request.

Type Parameters

T
Type of VectoredRequest.

Return Value

Task
Nothing.
See Also