.. _File_OpenW: ========== File_OpenW ========== Open an existing file with read / write access and return the file handle. This is the Unicode version of File_Open, File_OpenA is the Ansi version. :: File_OpenW PROTO lpszFilename:QWORD **Parameters** * ``lpszFilename`` - Parameter details. **Returns** A file handle if successful or INVALID_HANDLE_VALUE if an error occurred. **Notes** This function as based on the MASM32 Library macro: fcreateW **See Also** :ref:`File_OpenA`, :ref:`File_CreateA`, :ref:`File_CreateW`, :ref:`File_Close`, :ref:`File_Read`, :ref:`File_Write`