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The source code in this issue is designed for Visual Basic 4.0 16-bit and above. It is geared towards the beginner to intermediate programmer.
If you have any questions about this issue, please email us at questions@codeoftheweek.com
This issue introduces a routine to calculate the total number of dimensions in any array. Most of this source code was written by Phillip Fischer (thanks!). This kind of routine would be very useful for any generic array handling routines you write (such as a generic sort routine).
Function DimensionCount(ByVal varArray As Variant) As Long
If a non-array is passed to this routine the DimensionCount will be returned as zero. If any error other than a subscript out of range occurs it will be returned to the caller.
This example shows how to use the DimensionCount routine.
Dim a As Variant
Dim b As Variant
ReDim a(1, 1, 1)
Debug.Print "a=" & DimensionCount(a)
Debug.Print "b=" & DimensionCount(b)
ReDim a(4 To 5, 1 To 10, 1 To 12, 1 To 15)
Debug.Print "a=" & DimensionCount(a)
ReDim a(1, 2)
Debug.Print "a=" & DimensionCount(a)
The results that appear in the debug window will be:
a=3 b=0 a=4 a=2
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