Programming Reference Manual

Dim

 
Syntax
 
Dim [WithEvents] name[type][([dim[, ...]])][As [New] type][, ...]
Description
Dimension var array(s) using the dims to establish the minimum and maximum index value for each dimension. If the dims are omitted then a scalar (single value) variable is defined. A dynamic array is declared using  without any dims. It must be ReDimensioned before it can be used. 
See Also
Begin Dialog, Dialog, Option Base, Private, Friend, Public, ReDim, Static, WithEvents.
Example
 
Sub DoIt(Size)
    Dim C0,C1(),C2(2,3)
    ReDim C1(Size) ' dynamic array
    C0 = 1
    C1(0) = 2
    C2(0,0) = 3
    Debug.Print C0;C1(0);C2(0,0) ' 1 2 3
End Sub
 
Sub Main
    DoIt 1
End Sub