FreeFile Function

Returns the next available file number for opening a file. Use this function to open a file using a file number that is not already in use by a currently open file.

Синтакса

FreeFile

Врати вредност:

Цел број

Параметри:

This function can only be used immediately in front of an Open statement. FreeFile returns the next available file number, but does not reserve it.

Error codes:

5 Invalid procedure call

67 Too many files 67 Too many files 67 Too many files

Пример

Sub ExampleWorkWithAFile

Dim iNumber As Integer

Dim sLine As String

Dim aFile As String

Dim sMsg As String

    aFile = "c:\data.txt"

    sMsg = ""

    iNumber = Freefile

    Open aFile For Output As #iNumber

    Print #iNumber, "First line of text"

    Print #iNumber, "Another line of text"

    Close #iNumber

    iNumber = Freefile

    Open aFile For Input As #iNumber

    While Not eof(#iNumber)

        Line Input #iNumber, sLine

        If sLine <>"" Then

            sMsg = sMsg & sLine & chr(13)

        End If

    Wend

    Close #iNumber

    MsgBox sMsg

End Sub