Description Checks whether a FRED document is open.
Syntax check = SysIsOpen( fname )
Parameters check (Boolean) True if fname is open, False otherwise.
fname As String The file name of the FRED file.
Remarks This subroutine checks whether a file specified by filename is open or not. Although this is not a requirement, the standard file name extension is ".frd". It cannot be used to open other types of files such as scripts and it can not be used to import files in other formats.
See Also
Examples
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