Book-PowerShell-Samples

0.2

Chapter4/4.6_AdvancedFunctions/4.6.6_Validattion/ValidateCountValidateLength.ps1

                                function Get-DirectorySize {

    [CmdletBinding()]

    param(

        [parameter(Mandatory = $true, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)]

        [Alias("Path", "PSPath")]

        [ValidateCount(1, 2)]

        [ValidateLength(2, 6)]

        [string[]]$LiteralPath,

        [parameter(ValueFromPipelineByPropertyName = $true)]

        [int]$OverSize

    )

}