Restarting an application upon error

[JohnNewman]

I have written a program in VB6. It works fine for a few hours, but then it receives an error saying "Invalid procedure 67", "Too many files". I have tried many ways to fix this but they have not had any effects.
I would be happy if it just autorestarted when it gets an error. I was wondering if that is possible

[leinad31]

Rather than coming up with ways to bypass the error, try to address the error first. Which procedure, line of code is causing it? My guess is that your not releasing file handles (closing files) or simply opening too many files at the same time.

[JohnNewman]

It opens 3 files at a time. I made sure that they all close properly also. This is why I want to know a way to restart it on error.

[MartinLiss]

It opens 3 files at a time. I made sure that they all close properly also. This is why I want to know a way to restart it on error.

Can you show the code you use to open and close the files.

[DigiRev]

What you should want is a way to stop the error in the first place.

There is code on www.pscode.com/vb for detecting GPFs (ex: Windows XP message saying it's encountered a critical error and needs to close). But what you should be concerned with is getting rid of the error.

[JohnNewman]

Well here are the times i open and close my files:

    Dim intFF As Integer
    Dim wordToRead As Integer
    intFF = FreeFile
    wordToRead = 5
    
    Dim strLine As String
    Open "C:\logs\log.txt" For Input As #intFF
        Do While Not EOF(intFF)
                  
Line Input #intFF, strLine
Dim lngFileNo As Long
lngFileNo = FreeFile

Dim myStr() As String
    strLine = Left$(strLine, Len(strLine) - 1)

Open strLine For Binary As lngFileNo
Dim bytData(7) As Byte
Dim byt(20) As Byte
Get lngFileNo, &HC5, bytData
hex5 = Hex$(CLng(bytData(4)))

Get lngFileNo, &H2C0, byt
Dim hexx(20) As String
hexx(1) = (byt(0))
hexx(2) = (byt(1))
hexx(3) = (byt(2))
hexx(4) = (byt(3))
hexx(5) = (byt(4))
hexx(6) = (byt(5))
hexx(7) = (byt(6))
hexx(8) = (byt(7))
hexx(9) = (byt(8))
hexx(10) = (byt(9))
hexx(11) = (byt(10))
hexx(12) = (byt(11))
hexx(13) = (byt(12))
hexx(14) = (byt(13))
hexx(15) = (byt(14))


i = 1
Do Until i = 15
If hexx(i) = 0 Then
hexx(i) = x
i = i + 1
ElseIf Chr$(hexx(i)) = Chr$(255) Then
hexx(i) = x
i = i + 1
Else
hexx(i) = Chr$(hexx(i))
i = i + 1
End If
Loop

Dim char(20) As Byte

Get lngFileNo, &H10, char
Dim charn(15) As String

charn(1) = (char(0))
charn(2) = (char(1))
charn(3) = (char(2))
charn(4) = (char(3))
charn(5) = (char(4))
charn(6) = (char(5))
charn(7) = (char(6))
charn(8) = (char(7))
charn(9) = (char(8))
charn(10) = (char(9))
charn(11) = (char(10))
charn(12) = (char(11))
charn(13) = (char(12))
charn(14) = (char(13))

i = 1
Do Until i = 15

If charn(i) = 0 Then
charn(i) = x
i = i + 1
Else
charn(i) = Chr$(charn(i))
i = i + 1
End If
Loop
'SQL stuff
Loop
    Close lngFileNo
    Close #intFF
    Open "C:\logs\log.txt" For Output As #intFF
        Close #intFF

Please don't mind the beginner coding in this, as I am fairly new to VB.

[randem]

Yes, It would make it a heck of a lot easier to follow your code if it were properly indented and formulated.

Several things:

You should use the Read parameter in your Open statements since you are not writing to the file.

You define one file handle as integer and another as long. Both should be integer.

You use the # sign on one and not the other.

use a loop to assign your arrays (hexx(15) = (byt(14)) and charn(14) = (char(13)))

Post your whole project for I can't make heads or tails of what you are doing.

[Al42]

There's one other possibility (other than opening files and not closing them).

Error 67 is also thrown if you try to make a 513th entry to the root
directory.

MS-DOS operating system: More files have been created
in the root directory than the operating system permits. 


The MS-DOS operating system limits the number of files that can be in the root
directory, usually 512. If your program is opening, closing, or saving files in the
root directory, change your program so that it uses a subdirectory.

[randem]

He is not using the root. But VB can only have 511 open file handle total.