INotify |
Protocol service for providing access to the memory in a peer that will notify when the data at the address changes.
DataChanged callbacks will pass MemoryAccessesChangedEventArgs.
The MemoryAccess returned from GetAddresses(IReadOnlyListMemoryRequest, Object)
implements INotifyDataChanged which will pass MemoryAccessChangedEventArgs.
Namespace: Demo3D.PLC.Comms.Memory
Assembly: PLC (in PLC.dll) Version: 19.00.00
SyntaxC#
public interface INotifyMemoryService : IMemoryService, INotifyDataChanged
The INotifyMemoryService type exposes the following members.
Properties| Name | Description | |
|---|---|---|
 | AddressType |
The type of address expected by this service. The type must implement IAddress.
(Inherited from IMemoryService) |
| CanSubscribe |
Returns true if data changes can be subscribed to.
(Inherited from INotifyDataChanged) |
| DataSubscribed |
Returns true if data changes are currently subscribed to.
(Inherited from INotifyDataChanged) |
| PduSize |
Get the underlying PDU size.
(Inherited from IMemoryService) |
Methods| Name | Description | |
|---|---|---|
 | AddDataChanged |
Add a handler for the DataChanged event.
(Inherited from INotifyDataChanged) |
| DropAccesses |
Called to indicate that memory accesses are no longer required.
(Inherited from IMemoryService) |
| GetAddresses |
Get access to an address in the memory of a peer.
(Inherited from IMemoryService) |
| InternalReadV |
Vectored read request.
(Inherited from IMemoryService) |
| InternalWriteV |
Vectored write request.
(Inherited from IMemoryService) |
| RemoveDataChanged |
Remove a handler from the DataChanged event.
(Inherited from INotifyDataChanged) |
Events| Name | Description | |
|---|---|---|
 | DataChanged |
Occurs when data has arrived or changed.
(Inherited from INotifyDataChanged) |
Extension Methods| Name | Description | |
|---|---|---|
 | GetAddress |
Get access to an address in the memory of a peer.
(Defined by MemoryService) |
| GetAddress |
Get access to an address in the memory of a peer.
(Defined by MemoryService) |
 | GetEventQueue |
Subscribes to data changed events and returns a NotifyDataChangedEventQueue.
(Defined by NotifyDataChanged) |
| ReadV |
Vectored read request.
(Defined by MemoryService) |
| WriteV |
Vectored write request.
(Defined by MemoryService) |
See Also