Returns an Integer value representing the next file number available for use by the FileOpen function.

Public Function FreeFile() As Integer

Exceptions/Errors

Remarks

Use FreeFile to supply a file number that is not already in use.

Example

This example uses the FreeFile function to return the next available file number. Five files are opened for output within the loop, and some sample data is written to each.

Dim count As Integer
Dim fileNumber As Integer
For count = 1 To 5   
   fileNumber = FreeFile()
   FileOpen(fileNumber, "TEST" & count & ".TXT", OpenMode.Output)
   PrintLine(fileNumber, "This is a sample.")
   FileClose(fileNumber)
Next

See Also

FileOpen Function | IOException