Public Function Contains( _
    ByVal SystemName As String _
) As Boolean

public bool Contains(
    string SystemName
);

public: bool Contains(
    String __gc ^ SystemName
);

public: HRESULT Contains(
    BSTR SystemName,
    VARIANT_BOOL * pRetVal
);

public bool contains(
    String SystemName
);

def Contains(self, SystemName:str) -> bool: