Reference

OpcFileNode Class

Namespace

Opc.UaFx

Assembly

Opc.UaFx.Advanced.dll

Package

Opc.UaFx.Advanced v2.59.0

Members

OpcFileNode Members

Defines a file node.

Syntax

[OpcNodeType(11575)]
public class OpcFileNode : OpcObjectNode

<OpcNodeType(11575)>
Public Class OpcFileNode
    Inherits OpcObjectNode

Inheritance

Object → OpcNode → OpcInstanceNode → OpcObjectNode → OpcFileNode

Implements

• IOpcNode
• IOpcNodeInfo

Remarks

The file node uses the type definition FileType.

Constructors

Name	Description
OpcFileNode18 overloads	Initializes a new instance of the OpcFileNode class using the content as the instance to wrap.

Properties

Name	Description
CanUserWrite	Gets or sets a value indicating whether by default a user can access the file represented for writing taking user access rights into account.
CanUserWriteNode	Gets the OpcPropertyNode<T> of the CanUserWrite property.
CanWrite	Gets or sets a value indicating whether the file is writable.
CanWriteNode	Gets the OpcPropertyNode<T> of the CanWrite property.
CloseNode	Gets the OpcFileCloseMethodNode used to handle 'Close' method calls to close the file represented.
DefaultTypeDefinitionIdprotected · override	Gets the default identifier which identifies the node that defines the underlying node type from that this OpcInstanceNode has been created.
Filesince v2.16	Gets the IOpcFileInfo used to access the file represented.
FileInfo	Gets the FileInfo of the file represented.
GetPositionNode	Gets the OpcFileGetPositionMethodNode used to handle 'GetPosition' method calls to query the position in the file represented.
MimeType	Gets the media type of the file.
MimeTypeNode	Gets the OpcPropertyNode<T> of the MimeType property.
OpenCount	Gets the number of currently valid file handles on the file.
OpenCountNode	Gets the OpcPropertyNode<T> of the OpenCount property.
OpenNode	Gets the OpcFileOpenMethodNode used to handle 'Open' method calls to open the file represented.
ReadNode	Gets the OpcFileReadMethodNode used to handle 'Read' method calls to read data from the file represented.
SetPositionNode	Gets the OpcFileSetPositionMethodNode used to handle 'SetPosition' method calls to update the position in the file represented.
Size	Gets the size of the file in bytes.
SizeNode	Gets the OpcPropertyNode<T> of the Size property.
WriteNode	Gets the OpcFileWriteMethodNode used to handle 'Write' method calls to write data to the file represented.

Methods

Name	Description
Closesince v2.33	Closes the file represented.
GetPositionsince v2.33	GetPosition is used to provide the current position of the file handle.
InitializeDefaultsprotected · override	Initializes the default values used by the OpcFileNode.
Opensince v2.33	Opens the file represented.
Readsince v2.33	Read is used to read a part of the file starting from the current file position.
ReadCanUserWriteprotected · virtual	Reads the value of the CanUserWrite property.
ReadCanWriteprotected · virtual	Reads the value of the CanWrite property.
SetPositionsince v2.33	SetPosition is used to set the current position of the file handle.
Writesince v2.33	Write is used to write a part of the file starting from the current file position.

Inherits members from OpcObjectNode, OpcInstanceNode, OpcNode.

Applies to

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