The values are the upper index value of the dimension.Įxplicit lower bound declaration (Dim) with the To keywordĭim Price1D(1 To 5) As Double ' one dimension with elements 1 to 5ĭim Price2D(1 To 3, 1 To 1) As Variant ' two dimensions with elements 1 to 3, and 1 to 1 ' The assignment statement must reference valid index numbersĬode 1c: DemoStatic1 commas separate the dimensions. ' Price2D is now equivalent to a column vector with 3 rows and 1 column The values in the brackets are the upper index value of the dimension.ĭim Price1D(5) As Double ' one dimension with elements 1 to 5ĭim Price2D(3, 1) As Variant ' two dimensions with elements 1 to 3, and 1 to 1 Generally, the base is usually 0 or 1, but could be negative (see Dim shpArray(-2 to 24)), or even match a value like the year Dim TaxR(2010 To 2016, 1 To 5, 1 To 3)Ĭode 1b: DemoStatic1 commas separate the dimensions.Array dimension index numbers can be any consecutive sequence on the integer number line.
Base one array code#
Explicitly set the lower bound in the declaration with the To statement (see code 1c, lines 8 and 9).You can change the starting point from zero to one (set the lower index to 1) by including the following statement in the Declaration area at the top of the module.If you define an array with upper index 5 (see code 1, line 8), the indices will be 0,1,2,3,4,5 not 1,2,3,4,5.The fifth element, index 4 has value 50.īy default, the lower index number of the array dimension is zero. Price1D has only one dimension and is equivalent to a row vector. Fig 1: Locals Window static array declaration and population of elements When viewed in Break mode, the code 1 arrays are shown in the Locals Window (figure 1).
Cell/element coordinates are denoted by the row, column pair (r, c). A two dimensional array is similar to a worksheet viewed in R1C1 reference style. A one dimensional array (row vector), example Price1D in code 1 has no commas in the brackets a two dimensional array, example Price2D in code 1 has one comma separating the dimension, a three dimensional arrays has two commas.
' Static array - includes the dimension n, in the brackets (n)ĭim Price1D(5) As Double ' one dimension with elements 0 to 5ĭim Price2D(3, 1) As Variant ' two dimensions with elements 0 to 3, and 0 to 1Ī static array includes the dimension, and the upper index number elements in the dimension in declaration (Dim) statement. The values are the upper index value of the dimension. In other words the analyst needs to know the array dimension before the code is written.Ĭode 1a: DemoStatic1 commas separate the dimensions. Note: you cannot use the name Array, because Array in a VBA keyword (a function).Ī static array is given a fixed number of elements at the point of declaration. An array can either be static or dynamicĪn array is declared in a similar way to a variable, and follows the same naming conventions.
Generally, three dimension is the maximum required in the business environment.
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