UA Part 20: File Transfer

Close is used to close a file represented by a FileType. When a client closes a file, the handle becomes invalid.

Signature

Close(

[in] UInt32 fileHandle

);

Argument	Description
fileHandle	A handle indicating the access request and thus indirectly the position inside the file.

Method Result Codes (defined in Call Service)

Result Code	Description
Bad_InvalidArgument	See OPC 10000-4 for a general description. Invalid file handle in call.

Table 3 specifies the AddressSpace representation for the Close Method.

Table 3 – Close Method AddressSpace definition