Xbasic
FILE.IS_VALID Function
Syntax
Result_Flag as L = file_pointer.Is_Valid()
Returns
- Result_FlagLogical
Returns .T. if the file pointer is still valid. Returns .F. if the file pointer is not valid.
Description
Is the current file valid.
Discussion
The .IS_VALID() method tells you if the file object pointer is valid. If you open a file across a network link and the network failed, you can get an invalid result.
Example
dim fp as P fp = FILE.open("C:\Combobox.Txt", FILE_RO_EXCLUSIVE) ? fp.is_valid() = .T.
See Also