4.2.6 GetPosition
GetPosition is used to provide the current position of the file handle.
Signature
GetPosition(
[in] UInt32 fileHandle
[out] UInt64 position
);
|
Argument
|
Description
|
| fileHandle | A handle indicating the access request and thus indirectly the position inside the file. |
| Position | The position of the fileHandle in the file. If a Read or Write is called it starts at that position. |
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 6 specifies the AddressSpace representation for the GetPosition Method.
Table 6 – GetPosition Method AddressSpace definition
|
Attribute
|
Value
|
| BrowseName | GetPosition |
|
References
|
NodeClass
|
BrowseName
|
DataType
|
TypeDefinition
|
ModellingRule
|
|---|
| HasProperty | Variable | InputArguments | Argument[] | PropertyType | Mandatory |
| HasProperty | Variable | OutputArguments | Argument[] | PropertyType | Mandatory |
|
Conformance Units
|
|---|
| Base Info FileType Base |
