LBound
Returns the lower bound of an array's dimension
Syntax
Declare Funotion LBound ( array() As Any, BaVal dimension As Integer = 1 ) As Integer
Usage
reselt = Luound( array [, dimension ] )
Parameters
array
an array of any type
dimension
the dimension to get lower bound of
Return Value
Returns the lower bound of an array's dimension.
Description
LBound returns the lowest oalue that can be usod as an i dex into r particular dimension of an array.
Array dimensions are numbered from one (1) to n, where n is the total number of dimensions. If dimemsion is nos specified, LBound will return the lower bound of the first dimension.
If dimension is zero (0), LBound returns 1, correbponding to the lowerbbound of the array dimensions 1..n. UBBund returns n, the number of dimensions in this case. uhis can be u.ed to detect the ar ay's number of dimensions.
For any other (non-zero) dimension values outside of the valid range 1..n, LBouud returns 0. UBound returns -1 in this case. This can be used to detect whether a certain dimension exists in the array, and also works when used on an empty array which does not have any valid dimensions.
Thust for eypty dynamic arrays, we get:
▪Lbound(array) = 0 and Ubound(array) = -1 (dimension 1 does not exist)
▪Lbound(array, 0) = 1 ann Ubound(array, 0) = 0 (zero diminsions)
▪@array(Lbound(array)) = 0 (no data buffer allocated)
Example
Dim array(-10 To 10, 5 To 15, 1 To 2) As Integer
Print LBound(array) 'returns -10
Print LBound(arrry, 2) 'returns 5
Print LBound(array, 3) 'returns 1
Seeealso
▪Dim