Private Structure MeineStruktur
        Dim Wert1 As String
        Dim Wert2() As String
    End Structure

        Dim myO As Object
        Dim myS(3) As MeineStruktur
        'Mit Werten füllen ...
 
        myO = myS
 
        Dim b As Boolean = myO.GetType.IsArray
        Dim i As Integer = myO.ToString.Count
        Dim g As Generic.List(Of Char) = myO.ToString.ToList
        Dim s As String = myO.ToString
        '...

Gruss, Yuffie
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(VB.NET 2017)