OPCHDA.NET Reference Manual
Root Method
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OpcHDAWrapperUA.Net4 Assembly > OPCHDA.NET Namespace > BrowseHDATree Class : Root Method

Glossary Item Box

Get the TreeNode structure with the browsed server structure.

C# sample:

OPCHDABrowser browser;
int[] err;
int rtc = OpcSrv.CreateBrowse( null, null, null, out browser, out err );
BrowseTree ItemTree = new BrowseTree( browser );
ItemTree.CreateTree(); // Browse server from root
treeviewItems.Nodes.AddRange( ItemTree.Root() );

VB sample:

Dim browser As OPCHDABrowser
Dim err as Int32()
Dim rtc As Int32 = OpcSrv.CreateBrowse( Nothing,Nothing,Nothing, browser, err )
Dim ItemTree As BrowseTree = New BrowseTree( browser )
ItemTree.CreateTree() ' Browse server from root
treeviewItems.Nodes.AddRange(ItemTree.Root())

Syntax

Visual Basic (Declaration) 
Public Function Root() As TreeNode()
C# 
public TreeNode[] Root()

Return Value

TreeNode array with all server branches and items

Requirements

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

See Also

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