Information.IsArray(Object) Method

Definition

Namespace:

Microsoft.VisualBasic

Assembly:

Microsoft.VisualBasic.Core.dll

Source:

Information.vb

Returns a Boolean value indicating whether a variable points to an array.

C#

public static bool IsArray(object? VarName);

Parameters

VarName

Object

Required. Object variable.

Returns

Boolean

Returns a Boolean value indicating whether a variable points to an array.

Examples

This example uses the IsArray function to check if several variables refer to an array.

VB

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.

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.

Applies to

See also

• IsDate(Object)
• IsDBNull(Object)
• IsError(Object)
• IsNothing(Object)
• IsNumeric(Object)
• IsReference(Object)
• Object
• TypeName(Object)
• Arrays in Visual Basic