Crestron simpl plus language ref 사용자 설명서

Crestron SIMPL+

Software

Language Reference Guide - DOC. 5797G

SIMPL+

z 121

FileBOF

Name:

FileBOF

Syntax:

SIGNED_INTEGER FileBOF (INTEGER handle)

Description:

Tests whether or not the current file pointer is at the beginning of the file.

Parameters:

HANDLE specifies the file handle of the previously opened file (from FileOpen).

Return Value:

Returns 1 if beginning of file or 0 if not end of file. Otherwise, file error code is
returned.

Example:

(Refer to "File Functions Overview"on page

)

SIGNED_INTEGER nFileHandle;

StartFileOperations();

nFileHandle = FileOpen ( “MyFile”, _O_RDONLY );

IF (nFileHandle < 0)

{

PRINT(“Error Opening File MyFile\n”);

return;

}

IF ( FileBOF ( nFileHandle ) = 1 )

PRINT ( “Beginning of file reached\n” );

IF ( FileClose ( nFileHandle ) <> 0 )

PRINT ( “Error closing file” );

EndFileOperations();

Version:

SIMPL+ Version 3.00.02 or higher (Pro 2 only)

Control System:

2-Series Only