NodeDescriptor Class

Contains information necessary to identify a node in OPC address space.

Object Model

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<CLSCompliantAttribute(True)>
<ComDefaultInterfaceAttribute(OpcLabs.EasyOpc.ComTypes._NodeDescriptor)>
<ComVisibleAttribute(True)>
<GuidAttribute("D27B50BB-8E87-42D0-84B8-B764F0927CD9")>
<TypeConverterAttribute(System.ComponentModel.ExpandableObjectConverter)>
<ValueControlAttribute("OpcLabs.BaseLib.Forms.Common.ObjectSerializationControl, OpcLabs.BaseLibForms, Version=5.72.465.1, Culture=neutral, PublicKeyToken=6faddca41dacb409", 
   DefaultReadWrite=False, 
   Export=True, 
   PageId=10001)>
<SerializableAttribute()>
Public MustInherit Class NodeDescriptor 
   Inherits OpcLabs.BaseLib.Info
   Implements LINQPad.ICustomMemberProvider, OpcLabs.BaseLib.Aliasing.ComTypes._Aliasable, OpcLabs.BaseLib.Aliasing.IAliasable, OpcLabs.BaseLib.ComTypes._Info, OpcLabs.BaseLib.ComTypes._Object2, OpcLabs.BaseLib.Text.IStringListSerializable, OpcLabs.EasyOpc.ComTypes._NodeDescriptor, System.ComponentModel.INotifyPropertyChanged, System.ICloneable, System.Runtime.Serialization.ISerializable, System.Xml.Serialization.IXmlSerializable

'Usage
 
Dim instance As NodeDescriptor

[CLSCompliant(true)]
[ComDefaultInterface(OpcLabs.EasyOpc.ComTypes._NodeDescriptor)]
[ComVisible(true)]
[Guid("D27B50BB-8E87-42D0-84B8-B764F0927CD9")]
[TypeConverter(System.ComponentModel.ExpandableObjectConverter)]
[ValueControl("OpcLabs.BaseLib.Forms.Common.ObjectSerializationControl, OpcLabs.BaseLibForms, Version=5.72.465.1, Culture=neutral, PublicKeyToken=6faddca41dacb409", 
   DefaultReadWrite=false, 
   Export=true, 
   PageId=10001)]
[Serializable()]
public abstract class NodeDescriptor : OpcLabs.BaseLib.Info, LINQPad.ICustomMemberProvider, OpcLabs.BaseLib.Aliasing.ComTypes._Aliasable, OpcLabs.BaseLib.Aliasing.IAliasable, OpcLabs.BaseLib.ComTypes._Info, OpcLabs.BaseLib.ComTypes._Object2, OpcLabs.BaseLib.Text.IStringListSerializable, OpcLabs.EasyOpc.ComTypes._NodeDescriptor, System.ComponentModel.INotifyPropertyChanged, System.ICloneable, System.Runtime.Serialization.ISerializable, System.Xml.Serialization.IXmlSerializable

[CLSCompliant(true)]
[ComDefaultInterface(OpcLabs.EasyOpc.ComTypes._NodeDescriptor)]
[ComVisible(true)]
[Guid("D27B50BB-8E87-42D0-84B8-B764F0927CD9")]
[TypeConverter(System.ComponentModel.ExpandableObjectConverter)]
[ValueControl("OpcLabs.BaseLib.Forms.Common.ObjectSerializationControl, OpcLabs.BaseLibForms, Version=5.72.465.1, Culture=neutral, PublicKeyToken=6faddca41dacb409", 
   DefaultReadWrite=false, 
   Export=true, 
   PageId=10001)]
[Serializable()]
public ref class NodeDescriptor abstract : public OpcLabs.BaseLib.Info, LINQPad.ICustomMemberProvider, OpcLabs.BaseLib.Aliasing.ComTypes._Aliasable, OpcLabs.BaseLib.Aliasing.IAliasable, OpcLabs.BaseLib.ComTypes._Info, OpcLabs.BaseLib.ComTypes._Object2, OpcLabs.BaseLib.Text.IStringListSerializable, OpcLabs.EasyOpc.ComTypes._NodeDescriptor, System.ComponentModel.INotifyPropertyChanged, System.ICloneable, System.Runtime.Serialization.ISerializable, System.Xml.Serialization.IXmlSerializable

Remarks

A node can be identified using its qualified ID, or using a browse path.

Inheritance Hierarchy

System.Object
   OpcLabs.BaseLib.Object2
      OpcLabs.BaseLib.Info
         OpcLabs.EasyOpc.NodeDescriptor
            OpcLabs.EasyOpc.AlarmsAndEvents.AENodeDescriptor
            OpcLabs.EasyOpc.DataAccess.DANodeDescriptor

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

Reference

NodeDescriptor Members
OpcLabs.EasyOpc Namespace

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