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fileexists

Posted on 1998-12-01
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Last Modified: 2010-05-03
In vb4 I'm trying to have a button either setup a program(if it is not on the computer) or shell to the program if it is already there. I would like to use an If....Else but I can't figure out how to use the fileexists wording.
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Question by:ralphy
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6 Comments
 
LVL 13

Accepted Solution

by:
Mirkwood earned 600 total points
ID: 1447610
Private Function FileExist(ByVal fn As String)
    On Error GoTo notexist
    Dim x As VbFileAttribute
    x = GetAttr(fn)
    FileExist = True
    Exit Function
notexist:
    FileExist = False
End Function

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Author Comment

by:ralphy
ID: 1447611
I get a user defined type not defined msg, and x as vbfileattribute is highlighted.
0
 
LVL 13

Expert Comment

by:Mirkwood
ID: 1447612
Oh, you are using vb4. Try and see if getattr exists. If it does just replace vbFileAttribute with the return type of getattr
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Author Comment

by:ralphy
ID: 1447613
I still get the user defined type not defined msg for getattr
0
 
LVL 13

Expert Comment

by:Mirkwood
ID: 1447614
Public Function fileExist(fileName As String) As Boolean
    Dim l As Long
   
    On Error Resume Next
   
    l = FileLen(fileName)
   
    fileExist = Not (Err.Number > 0)
   
    On Error GoTo 0
End Function
0
 

Author Comment

by:ralphy
ID: 1447615
Thanks alot mirkwood, Looks like it'll work fine.
   Ralphy
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