Reference

OpcDiscoveryClient Members

Type

OpcDiscoveryClient

Namespace

Opc.UaFx.Client

Assembly

Opc.UaFx.Advanced.dll

Package

Opc.UaFx.Advanced v2.59.0

Also in

Opc.UaFx.Client

Constructors

OpcDiscoveryClient

4 overloads

Overload	Description
OpcDiscoveryClient()
OpcDiscoveryClient(string)
OpcDiscoveryClient(Uri)
OpcDiscoveryClient(Uri, OpcApplicationConfiguration)

OpcDiscoveryClient()

public OpcDiscoveryClient()

Public Sub New()

OpcDiscoveryClient(string)

public OpcDiscoveryClient(string discoveryUrl)

Public Sub New(discoveryUrl As String)

Parameters

Name	Type	Description
discoveryUrl	String

Exceptions

Exception	Condition
ArgumentException
ArgumentNullException
FormatException

OpcDiscoveryClient(Uri)

public OpcDiscoveryClient(Uri discoveryUrl)

Public Sub New(discoveryUrl As Uri)

Parameters

Name	Type	Description
discoveryUrl	Uri

Exceptions

Exception	Condition
ArgumentNullException

OpcDiscoveryClient(Uri, OpcApplicationConfiguration)

[CLSCompliant(false)]
public OpcDiscoveryClient(
    Uri discoveryUrl,
    OpcApplicationConfiguration configuration)

<CLSCompliant(False)>
Public Sub New(
    discoveryUrl As Uri,
    configuration As OpcApplicationConfiguration)

Parameters

Name	Type	Description
discoveryUrl	Uri
configuration	OpcApplicationConfiguration

Exceptions

Exception	Condition
ArgumentNullException

Properties

Configuration

public OpcEndpointConfiguration Configuration { get; }

Public ReadOnly Property Configuration As OpcEndpointConfiguration

Property value

OpcEndpointConfiguration

DiscoveryUrl

public Uri DiscoveryUrl { get; }

Public ReadOnly Property DiscoveryUrl As Uri

Property value

Uri

Methods

Close

public OpcStatus Close()

Public Function Close() As OpcStatus

Returns

OpcStatus

DiscoverEndpoints

2 overloads

Overload	Description
DiscoverEndpoints()	Discovers the endpoints of the server (OPC 10000-4, GetEndpoints).
DiscoverEndpoints(IEnumerable<string>)since v2.58	Discovers the endpoints of the server which use one of the transport profiles specified (OPC 10000-4, GetEndpoints).

Exceptions (all overloads)

Exception	Condition
OpcException	The server could not be reached or rejected the request, for example because it closed the channel during the handshake. The Code states the reason, such as BadSecureChannelClosed.

DiscoverEndpoints()

Discovers the endpoints of the server (OPC 10000-4, GetEndpoints).

public OpcEndpointDescriptionCollection DiscoverEndpoints()

Public Function DiscoverEndpoints() As OpcEndpointDescriptionCollection

Returns

OpcEndpointDescriptionCollection

The endpoints the server returned.

DiscoverEndpoints(IEnumerable<string>)

since v2.58

Discovers the endpoints of the server which use one of the transport profiles specified (OPC 10000-4, GetEndpoints).

public OpcEndpointDescriptionCollection DiscoverEndpoints(
    IEnumerable<string> profileUris)

Public Function DiscoverEndpoints(
    profileUris As IEnumerable(Of String)) As OpcEndpointDescriptionCollection

Parameters

Name	Type	Description
profileUris	IEnumerable<String>	The URIs of the transport profiles the endpoints have to use, for example http://opcfoundation.org/UA-Profile/Transport/uatcp-uasc-uabinary. A null reference (Nothing in Visual Basic) or an empty sequence discovers the endpoints of every transport profile.

Returns

OpcEndpointDescriptionCollection

The endpoints the server returned for the profileUris.

DiscoverServers

2 overloads

Overload	Description
DiscoverServers()	Discovers the servers known to the discovery server (OPC 10000-4, FindServers).
DiscoverServers(IEnumerable<string>)since v2.58	Discovers the servers known to the discovery server whose application URI is one of the URIs specified (OPC 10000-4, FindServers).

Exceptions (all overloads)

Exception	Condition
OpcException	The server could not be reached or rejected the request, for example because it closed the channel during the handshake. The Code states the reason, such as BadSecureChannelClosed.

DiscoverServers()

Discovers the servers known to the discovery server (OPC 10000-4, FindServers).

public OpcApplicationDescriptionCollection DiscoverServers()

Public Function DiscoverServers() As OpcApplicationDescriptionCollection

Returns

OpcApplicationDescriptionCollection

The servers the discovery server returned.

DiscoverServers(IEnumerable<string>)

since v2.58

Discovers the servers known to the discovery server whose application URI is one of the URIs specified (OPC 10000-4, FindServers).

public OpcApplicationDescriptionCollection DiscoverServers(
    IEnumerable<string> serverUris)

Public Function DiscoverServers(
    serverUris As IEnumerable(Of String)) As OpcApplicationDescriptionCollection

Parameters

Name	Type	Description
serverUris	IEnumerable<String>	The application URIs of the servers to discover. A null reference (Nothing in Visual Basic) or an empty sequence discovers every server.

Returns

OpcApplicationDescriptionCollection

The servers the discovery server returned for the serverUris.

Dispose

2 overloads

Overload	Description
Dispose()	Releases all resources used by the OpcDiscoveryClient.
Dispose(bool)protected · virtual	Releases the unmanaged resources used by the OpcDiscoveryClient and optionally releases the managed resources.

Dispose()

Releases all resources used by the OpcDiscoveryClient.

public void Dispose()

Public Sub Dispose()

Implements

Dispose()

Dispose(bool)

protected · virtual

Releases the unmanaged resources used by the OpcDiscoveryClient and optionally releases the managed resources.

protected virtual void Dispose(bool disposing)

Protected Overridable Sub Dispose(disposing As Boolean)

Parameters

Name	Type	Description
disposing	Boolean	The value true to release both managed and unmanaged resources; otherwise the value false to release only unmanaged resources.