17 Accessing File Objects
Q3File_IsOpen
function to determine whether a file object is open.
TQ3Status Q3File_IsOpen (TQ3FileObject file, TQ3Boolean *isOpen);file
A file object.isOpen
On exit, a Boolean value that indicates whether the specified file is open (kQ3True
) or closed (kQ3False
).
Q3File_IsOpen
function returns, in the isOpen
parameter, a Boolean value that indicates whether the file object specified by the file
parameter is open (kQ3True
) or closed (kQ3False
).kQ3ErrorFileNotOpen
kQ3ErrorInvalidObjectParameter
kQ3ErrorNULLParameter
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