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Keyword Set - 8/13/2007 6:26:49 PM

Syslq

Posts: 3
Score: 0
Joined: 6/4/2007
Status: offline

Original message moved by ebgreen
Reason : Moved to proper forum
Set is supposed to set object reference to variable, I understand that
Set objFSO = CreateObject("Scripting.FileSystemObject")
Creates new instance of Scripting.FilesystemObject class (we create object)

But why do we use Set bellow, do we set reference to object method output also?
Set objTextFile = objFSO.OpenTextFile("c:\scripts\service_status.txt", ForAppending, True)

Thanks

Post #: 1

RE: Keyword Set - 8/13/2007 6:56:21 PM

ehvbs

Posts: 2223
Score: 50
Joined: 6/22/2005
From: Germany
Status: offline

Wrong forum, but:

"Set" indicates the assignment, not the creation of an object. Cf:

Set reX = New Regexp
Set wmi = GetObject("winmgmts:")

The .OpenTextFile method returns an object that is assigned to
the receiving variable, hence "Set".

If you write a function returning an object, don't forget the "Set",
when you assign the object to be returned to the 'return value'
(same name as the function):

Function getRE( ... )
...
Set getRE = ...
End Function

(in reply to Syslq)