Public Sub Browse( _
   ByVal branch As String, _
   ByVal mode As browseFilter, _
   ByVal elementFilter As String, _
   ByVal vendorFilter As String, _
   ByVal returnProperties As Boolean, _
   ByVal returnValues As Boolean, _
   ByVal propertyIDs() As Integer, _
   ByVal tag As Object, _
   ByVal onCompleted As OnBGSrvBrowse _
) 

public void Browse( 
   string branch,
   browseFilter mode,
   string elementFilter,
   string vendorFilter,
   bool returnProperties,
   bool returnValues,
   int[] propertyIDs,
   object tag,
   OnBGSrvBrowse onCompleted
)

Parameters

branch

The fully qualified name of the branch to be browsed. Nothing (null) or an empty string identifies the root branch.

mode

Branches or Items or both can be included in the browse result.

elementFilter

Filter string for the branch/item names. Nothing (null), an empty string or "*" includes all names. '*' matches any sequence of characters and '?' matches any single character.

vendorFilter

A vendor specific filter string that may be used by some OPC DA3 servers. This is not supported by OPC DA2 servers.

returnProperties

If TRUE, all item properties are returned as part of the browse result.

returnValues

If TRUE, the item property information includes the current property values.

propertyIDs

This optional array of property ID values identifies the properties to be returned. Nothing (null) indicates that no property information should be included in the browse result. This argument is ignored if returnProperties is TRUE.

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 branch, BrowseElement[] nodes, object tag ){}

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

See Also