OPCDA.NET Reference Manual
OnBrowseFilter Delegate
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OpcDaNetUA.Net4 Assembly > OPCDA.NET Namespace : OnBrowseFilter Delegate

nameFilter
Name filter used in the the OPC server browse calls. The default is "" (no filtering). The string can contain wild card characters '*', '?'
accessFilter
Read/write access type filter.
typeFilter
Datratype filter. Specify typeof(void) for no filtering.

Glossary Item Box

Event handler method that is called before the OPC server BrowseItemIDs method is called to get the browse filters to be used. The application can specify filters that are appropriate for the current browse position.

Syntax

Visual Basic (Declaration) 
Public Delegate Sub OnBrowseFilter( _
   ByRef nameFilter As String, _
   ByRef accessFilter As OPCACCESSRIGHTS, _
   ByRef typeFilter As Type _
)
C# 
public delegate void OnBrowseFilter( 
   out string nameFilter,
   out OPCACCESSRIGHTS accessFilter,
   out Type typeFilter
)

Parameters

nameFilter
Name filter used in the the OPC server browse calls. The default is "" (no filtering). The string can contain wild card characters '*', '?'
accessFilter
Read/write access type filter.
typeFilter
Datratype filter. Specify typeof(void) for no filtering.

Requirements

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

See Also

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