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File :: locked - Is file area locked

The function returns true , when the file area contains locked positions and false otherwise. In case of an error (file not opened), the function returns false .

Return value:  Success ( bool  )

The value is true when the function was executed successfully. Otherwise the value is set to false .

Implementation details

bool File  :: locked ( int64 iPosition64, int32 iLenght )

The function checks, whether any position between iPosition64 and iPosition64+iLength is locked. File positions must exist virtually, only.

  • iPosition64 - Position in an area or file

    The big position value usually refers to a relative position in an area or file.

  • iLenght - - internal feature (not documented)