Generate random string specified length

Get-RandomString.ps1

function Get-RandomString
{
    [CmdletBinding()]
    param
    (
        [Parameter(Position = 0, Mandatory = $true)]
        [UInt32] $Length,

        [Parameter()]
        [String] $Chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'
    )

    $CharsLength = $Chars.Length

    if ($CharsLength -gt 0)
    {
        try
        {
            $Result = [System.Char[]]::new($Length)
            $Random = [System.Random]::new()

            for ($I = 0; $I -lt $Length; $I++)
            {
                $Result[$I] = $Chars[$Random.Next($CharsLength)]
            }
        }
        catch
        {
            throw $_
        }
    }
    else
    {
        $Result = [System.String]::Empty
    }

    return [System.String]::new($Result)
}