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-   -   [VBscript] Funtion cannot return a collection (https://thetfp.com/tfp/tilted-technology/83055-vbscript-funtion-cannot-return-collection.html)

cartmen34 02-09-2005 08:15 AM
[VBscript] Function cannot return a collection
 
I've made a small function which gets the system drives filters them based on ready state and also if they are not a mapped network drive and then returns the collection to the calling code, like so:

Code:
Function getLocalFixedDrives()
        Set filesys = CreateObject("Scripting.FileSystemObject")
        Set driveColl = filesys.Drives
        Set LocalFixedDrivesColl = CreateObject("Scripting.Dictionary")
        counter = 0
        For each drv in driveColl
                If drv.IsReady = true Then
                        If drv.DriveType <> 3 Then '<- 0=unknown, 1=removable, 2=Fixed, 3=network, 4=CD-ROM, 5=RAMDisk               
                                LocalFixedDrivesColl.add counter, drv.RootFolder
                                counter = counter + 1
                        End if
                End if
        Next
        'below is the problem
        getLocalFixedDrives = LocalFixedDrivesColl
End Function
My problem is when I need to return my 'filtered collection' to the calling code, which is this line:
Code:
getLocalFixedDrives = LocalFixedDrivesColl
I'm getting an error which states it's an invalid property assignment or wrong number of arguements. But since VBScript forces you to 'return' your function values in the above manner, it's getting confused on what I need to do. I've been searching the intarweb for the last couple of days trying to find an alternate solution, but none were found. Help!!

Wouldn't it just be easier it VBscript utilized the 'return' statement for returning objects from methods?!?!? argh!

02-09-2005 12:34 PM
Try
Code:
set getLocalFixedDrives = LocalFixedDrivesColl
Because it's an object (rather than a regular variable) you need to use set when assigning it to something.

You might also want to tell the function what kind of value it's going to return

as in

Code:
Function myfunction() as MyClass

cartmen34 02-12-2005 12:44 PM
awesome. thanks zen_tom!


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