DAReadParameters Constructor(DADataSource)

Initializes a new instance of the DAReadParameters object from a given DADataSource.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
Public Function New( _
   ByVal dataSource As DADataSource _
)

'Usage
 
Dim dataSource As DADataSource
 
Dim instance As New DAReadParameters(dataSource)

public DAReadParameters( 
   DADataSource dataSource
)

public:
DAReadParameters( 
   DADataSource dataSource
)

Parameters

dataSource: Selects the data source for OPC reads (from device, from OPC cache, or dynamically determined).

Exceptions

Exception	Description
System.ComponentModel.InvalidEnumArgumentException	An invalid enumeration value was used. 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.

Exception

Description

System.ComponentModel.InvalidEnumArgumentException

An invalid enumeration value was used.

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

In languages that support implicit conversions (such as C# or VB.NET), in many cases you do not have call this constructor explicitly. When indicated, a call to an available equivalent implicit conversion operator will be created by the compiler automatically.

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

DAReadParameters Class
DAReadParameters Members
Overload List

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