OpcUaClient Class Reference

OPC/UA client to enumerate and access OPC/UA NodeBases. More...

Inherits INativeHandle.

Public Member Functions
	OpcUaClient (string url)
	Creates a new Client object connected to the given url . More...
void	Dispose ()
	Disposes the native object wrapped by this object immediately. More...
void	Reconnect ()
	Reconnects to a server when this State is equal to ClientState.Faulted.
bool	TryReconnect ()
	Tries to reconnect to a server when this State is equal to ClientState.Faulted. More...

Properties
IntPtr	Handle [get]
	Native CVB OPCCLT handle. More...
bool	IsDisposed [get]
	Tests whether the native handle has been disposed.
string	ServerUrl [get]
	The URL this client is associated with.
ClientState	State [get]
	Gets the current connection state of this object.
ClientNodes	Nodes [get]
	Access to the IClientNodes made available by the server.
Properties inherited from INativeHandle
IntPtr	Handle [get]
	The native handle of the object.
bool	IsDisposed [get]
	Possibility to check whether the object has already been disposed of.

Events
NativeHandleEventDelegate	ObjectDisposing
	Raised when this object is about to be disposed via the IDisposable.Dispose method. More...
Events inherited from INativeHandle
NativeHandleEventDelegate	ObjectDisposing
	Raised when this object is about to be disposed via the IDisposable.Dispose method. More...

Detailed Description

OPC/UA client to enumerate and access OPC/UA NodeBases.

Constructor & Destructor Documentation

OpcUaClient()

OpcUaClient

(

string

url

)

Creates a new Client object connected to the given url .

Parameters

url	URL of OPC/UA server to open.

Member Function Documentation

Dispose()

void Dispose

(

)

Disposes the native object wrapped by this object immediately.

Call this method to release the resources allocated by this node immediately. Remember that after calling Dispose, any subsequent access to references to this image will result in an ObjectDisposedException.

TryReconnect()

bool TryReconnect

(

)

Tries to reconnect to a server when this State is equal to ClientState.Faulted.

Returns

true on success; false on failure.

Property Documentation

Handle

IntPtr Handle

get

Native CVB OPCCLT handle.

It is normally not necessary to work with this handle in CVB.Net. Note that using this handle in connection with the legacy CVB managed wrappers may actually be disruptive to your application.

Implements INativeHandle.

Event Documentation

ObjectDisposing

NativeHandleEventDelegate ObjectDisposing

Raised when this object is about to be disposed via the IDisposable.Dispose method.

This event is raised right before this object is disposed. The dispose itself cannot be canceled.