IsArray Function (Visual Basic)
Returns a Boolean value indicating whether a variable points to an array.
Public Function IsArray(ByVal VarName As Object) As Boolean
Parameters
- VarName
Required. Object variable.
Remarks
IsArray returns True if the variable points to an array; otherwise, it returns False. IsArray is especially useful with objects that might contain arrays.
Example
This example uses the IsArray function to check if several variables refer to an array.
Dim firstArray(4), secondArray(3) As Integer
Dim thisString As String = "Test"
Dim arrayCheck As Boolean
arrayCheck = IsArray(firstArray)
arrayCheck = IsArray(secondArray)
arrayCheck = IsArray(thisString)
' The first two calls to IsArray return True; the third returns False.
Requirements
Namespace: Microsoft.VisualBasic
Module: Information
Assembly: Visual Basic Runtime Library (in Microsoft.VisualBasic.dll)
See Also
Tasks
How to: Declare an Array Variable
Reference
IsDate Function (Visual Basic)