AccessPath Property (DAItemDescriptor)

Specifies the access path for the OPC item. The default is "" (an empty string).

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<DataMemberAttribute()>
<NotNullAttribute()>
Public Property AccessPath As String

'Usage
 
Dim instance As DAItemDescriptor
Dim value As String
 
instance.AccessPath = value
 
value = instance.AccessPath

[DataMember()]
[NotNull()]
public string AccessPath {get; set;}

[DataMember()]
[NotNull()]
public:
property String^ AccessPath {
   String^ get();
   void set (    String^ value);
}

Property Value

The value of this property cannot be null (Nothing in Visual Basic).

The default value of this property is "" (String.Empty).

Exceptions

Exception Description

Exception	Description
System.ArgumentNullException	A `null` reference (`Nothing` in Visual Basic) is passed to a method that does not accept it as a valid argument. This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

System.ArgumentNullException

A null reference (Nothing in Visual Basic) is passed to a method that does not accept it as a valid argument.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

Remarks

Access paths are rarely used by OPC servers.

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

DAItemDescriptor Class
DAItemDescriptor Members

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