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FreeFile Function
This standard VB function returns the lowest unused file number.
Syntax
FreeFile
Returns
The lowest file number not in use.
Usage
The FreeFile function is used when you need to supply a file number and want to make sure that you are not choosing a file number that is already in use.
The value returned can be used in a subsequent Open statement.
Example
This example opens a file and assigns to it the next file number available.
Sub Button_Click
Dim filenumber As Integer
Dim filename As String
filenumber = FreeFile
filename = "d:\temp\trace.txt"
On Error Resume Next
Open filename For Input As filenumber
If Err <> 0 then
Exit Sub
End If
Close #filenumber
End SubSee Also
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Siebel VB Language Reference Published: 18 June 2003 |