IEasyUAFileTransferExtension Class

Contains extension methods for the IEasyUAFileTransfer interface.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<ExtensionAttribute()>
<ComVisibleAttribute(False)>
<ExceptionContractVerificationAttribute(True)>
Public MustInherit NotInheritable Class IEasyUAFileTransferExtension

'Usage
 
Dim instance As IEasyUAFileTransferExtension

[Extension()]
[ComVisible(false)]
[ExceptionContractVerification(true)]
public static class IEasyUAFileTransferExtension

[Extension()]
[ComVisible(false)]
[ExceptionContractVerification(true)]
public ref class IEasyUAFileTransferExtension abstract sealed

Remarks

The "file transfer" in the name corresponds to how the related OPC UA specification part is titled. In reality, the functionality covers more than just file transfer - it represents a file system in OPC UA, and provides file access and manipulation operations.

See OPC UA File Transfer Concepts for basic information about what is OPC UA File Transfer and how it works.

See OPC UA File Transfer internals for more information about some internal functionality aspects such as:

Object type checking
Connection locking
Stream buffering
Stream expansion
Read/write chunking
Read/write size limits
Adaptive read/write sizes
Metadata caching and model changes

Inheritance Hierarchy

System.Object
OpcLabs.EasyOpc.UA.FileTransfer.IEasyUAFileTransferExtension

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

IEasyUAFileTransferExtension Members
OpcLabs.EasyOpc.UA.FileTransfer Namespace
IEasyUAFileTransfer Interface
IEasyUAFileTransferExtension2 Class

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