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Information.IsArray Method

Microsoft Silverlight will reach end of support after October 2021. Learn more.

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

Namespace:  Microsoft.VisualBasic
Assembly:  Microsoft.VisualBasic (in Microsoft.VisualBasic.dll)

Syntax

'Declaration
Public Shared Function IsArray ( _
    VarName As Object _
) As Boolean

public static bool IsArray(
    Object VarName
)

Parameters

Return Value

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

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.

Examples

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.

Version Information

Silverlight

Supported in: 5, 4, 3

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.