Reference

OpcClient.WriteNodes Method

Type

OpcClient

Namespace

Opc.UaFx.Client

Assembly

Opc.UaFx.Advanced.dll

Package

Opc.UaFx.Advanced v2.59.0

Members

OpcClient Members

Also in

Opc.UaFx.Client

2 overloads

Overload	Description
WriteNodes(IEnumerable<OpcWriteNode>)	Writes one or more values to one or more attributes of one or more nodes using the specified commands.
WriteNodes(params OpcWriteNode[])	Writes one or more values to one or more attributes of one or more nodes using the specified commands.

Exceptions (all overloads)

Exception	Condition
InvalidOperationException	The write service is currently not supported, especially using the commands specified.
ObjectDisposedException	The object has been disposed of.
OpcException	The service execution failed upon different circumstances; for more details see exception details. The following issues can lead to that exception: BadNothingToDo and BadTooManyOperations.

WriteNodes(IEnumerable<OpcWriteNode>)

Writes one or more values to one or more attributes of one or more nodes using the specified commands.

public OpcStatusCollection WriteNodes(IEnumerable<OpcWriteNode> commands)

Public Function WriteNodes(
    commands As IEnumerable(Of OpcWriteNode)) As OpcStatusCollection

Parameters

Name	Type	Description
commands	IEnumerable<OpcWriteNode>	A sequence of OpcWriteNode instances to process.

Returns

OpcStatusCollection

An instance of the OpcStatusCollection its number and order of items matches the number and order of items in the commands sequence. There is for each command one entry which indicates the outcome of the operation for that command.

Exceptions

Exception	Condition
ArgumentNullException	The commands sequence or one of its items is a null reference (Nothing in Visual Basic).

Remarks

Known results for the commands specified are:

Status	Description
GoodCompletesAsynchronously	The value was successfully written to an intermediate system but the Server does not know if the data source was updated properly.
BadNodeIdInvalid	For more details see BadNodeIdInvalid.
BadNodeIdUnknown	For more details see BadNodeIdUnknown.
BadAttributeInvalid	For more details see BadAttributeInvalid.
BadIndexRangeInvalid	For more details see BadIndexRangeInvalid.
BadIndexRangeNoData	For more details see BadIndexRangeNoData.
BadWriteNotSupported	The requested write operation is not supported. If a client attempts to write any value, quality, timestamp combination and the server does not support the requested combination (which could be a single quantity such as just timestamp), then the Server shall not perform any write on this node and shall return this status for that node.
BadNotWritable	For more details see BadNotWritable.
BadUserAccessDenied	For more details see BadUserAccessDenied.
BadOutOfRange	If a client attempts to write a value outside the valid range like a value not contained in the enumeration data type of a node, the server shall return this status for that node.
BadTypeMismatch	For more details see BadTypeMismatch.
BadDataEncodingUnsupported	For more details see BadDataEncodingUnsupported.
BadNoCommunication	For more details see BadNoCommunication.

WriteNodes(params OpcWriteNode[])

Writes one or more values to one or more attributes of one or more nodes using the specified commands.

public OpcStatusCollection WriteNodes(params OpcWriteNode[] commands)

Public Function WriteNodes(
    ParamArray commands As OpcWriteNode()) As OpcStatusCollection

Parameters

Name	Type	Description
commands	params OpcWriteNode[]	An array of OpcWriteNode instances to process.

Returns

OpcStatusCollection

An instance of the OpcStatusCollection its number and order of items matches the number and order of items in the commands commands. There is for each command one entry which indicates the outcome of the operation for that command.

Exceptions

Exception	Condition
ArgumentNullException	The commands array or one of its items is a null reference (Nothing in Visual Basic).

Remarks

Known results for the commands specified are:

Status	Description
GoodCompletesAsynchronously	The value was successfully written to an intermediate system but the Server does not know if the data source was updated properly.
BadNodeIdInvalid	For more details see BadNodeIdInvalid.
BadNodeIdUnknown	For more details see BadNodeIdUnknown.
BadAttributeInvalid	For more details see BadAttributeInvalid.
BadIndexRangeInvalid	For more details see BadIndexRangeInvalid.
BadIndexRangeNoData	For more details see BadIndexRangeNoData.
BadWriteNotSupported	The requested write operation is not supported. If a client attempts to write any value, quality, timestamp combination and the server does not support the requested combination (which could be a single quantity such as just timestamp), then the Server shall not perform any write on this node and shall return this status for that node.
BadNotWritable	For more details see BadNotWritable.
BadUserAccessDenied	For more details see BadUserAccessDenied.
BadOutOfRange	If a client attempts to write a value outside the valid range like a value not contained in the enumeration data type of a node, the server shall return this status for that node.
BadTypeMismatch	For more details see BadTypeMismatch.
BadDataEncodingUnsupported	For more details see BadDataEncodingUnsupported.
BadNoCommunication	For more details see BadNoCommunication.