OPCDA.NET Reference Manual
BrowseDA23Servers Method
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OpcDaNetUA.Net4 Assembly > OPCDA.NET Namespace > BGCore Class : BrowseDA23Servers Method

Visual Basic (Declaration)
C#

machine: Specifies the machine to be browsed. Optionally access credentials may be defined. Specifiy null (Nothing) for the local machine. The network machine names without credentials can be passed as:
C# : new OPC.Common.Host( "xyz" );
VB : New OPC.Common.Host("xyz")

tag: This object is passed to the competion handler and allows the user to pass any information that may be needed in the completion handler. null (nothing) can be specified if the application does not require to pass any information.

onCompleted: Competion notification handler. void xxx( BGException ex, string machine, string[] servers, object tag ){}

Available in the OPCDA.NET Professional Edition only.
The OPC DA V2 and OPC DA V3 servers installed on the specifiecd machine are returned as a string array argument of the completion handler.

Syntax

Visual Basic (Declaration)
Public Sub BrowseDA23Servers( _ ByVal machine As Host, _ ByVal tag As Object, _ ByVal onCompleted As OnBGBrowseServers _ )

Visual Basic (Declaration)

Public Sub BrowseDA23Servers( _
   ByVal machine As Host, _
   ByVal tag As Object, _
   ByVal onCompleted As OnBGBrowseServers _
)

C#
public void BrowseDA23Servers( Host machine, object tag, OnBGBrowseServers onCompleted )

Parameters

machine: Specifies the machine to be browsed. Optionally access credentials may be defined. Specifiy null (Nothing) for the local machine. The network machine names without credentials can be passed as:
C# : new OPC.Common.Host( "xyz" );
VB : New OPC.Common.Host("xyz")
tag: This object is passed to the competion handler and allows the user to pass any information that may be needed in the completion handler. null (nothing) can be specified if the application does not require to pass any information.
onCompleted: Competion notification handler. void xxx( BGException ex, string machine, string[] servers, object tag ){}

Requirements

Target Platforms: Windows 7/8/10, Windows Server 2003/2008/2012/2016, .NET 4.x

Syntax

Parameters

Requirements

See Also

Reference