Reference

OpcFileMode Enum

Namespace

Opc.UaFx

Assembly

Opc.UaFx.Advanced.dll

Package

Opc.UaFx.Advanced v2.59.0

Also in

Opc.UaFx.Client

Defines the type of access and how the system should open an existing file.

Syntax

[Flags]
public enum OpcFileMode : byte

<Flags>
Public Enum OpcFileMode As Byte

Inheritance

Object → ValueType → Enum → OpcFileMode

Fields

Name	Value	Description
Append	8	Specifies that an existing file is to be opened at the end of the file; otherwise at the beginning of the file. Combine with Write to continue with write access. To continue with read access combine with Read, this requires to manually seek to a position before the end of the file before reading.
AppendRead	Read | Append	Specifies that an existing file is to be opened at the end of the file for reading. This options combines the options Append and Read. Combine with Write for read/write access. This requires to manually seek to a position before the end of the file before reading.
AppendWrite	Write | Append	Specifies that an existing file is to be opened at the end of the file for writing. This option combines the options Append and Write. Combine with Read for read/write access.
EraseExisting	4	Specifies that an existing file is to be opened and its content is to be erased so that its size is zero bytes. This option requires the option Write.
Read	1	Specifies that an existing file is to be opened for reading. Combine with Write for read/write access.
ReadWrite	Read | Write	Specifies that an existing file is to be opened for reading and writing.
Truncate	Write | EraseExisting	Specifies that an existing file is to be opened and its content is to be erased so that its size is zero bytes. This option combines the options EraseExisting and Write.
Write	2	Specifies that an existing file is to be opened for writing. Combine with Read for read/write access.

Applies to

Package	Versions
Opc.UaFx.Advanced	v2.5–v2.59