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Default Read a range to an array

Hi all,

I know the following code will work fine for me:

Function ArrayFromRange(Rng As Range) As Variant
ArrayFromRange = Rng
End Function

But I just want to know why the following alternative doesn't work,
especially why the REDIM statement is invalid he

Function ArrayFromRange(Rng As Range) As Variant
Dim i As Long, j As Long
ReDim ArrayFromRange(Rng.Rows.count, Rng.Columns.count)
For i = 1 To Rng.Rows.count
For j = 1 To Rng.Columns.count
ArrayFromRange(i, j) = Rng(i, j)
Next
Next
End Function

By the way, if I wish a function to return an array, is declaring the
function as type "variant' the only way?

Thanks for your advice.

Frederick Chow
Hong Kong.