Returns the current size of a file.

Declaration

Target

Windows, Real, Protected

Remarks

F is a file variable. FileSize(F) returns the number of components in F. If the file is empty, FileSize(F) returns 0.

With {$I-}, IOResult returns 0 if the operation was successful; otherwise, it returns a nonzero error code.

Restrictions

Cannot be used on a text file. File must be open.

See Also

Sample Code