Public Function ConvertDate( _
    ByVal FromUnit As String, _
    ByVal ToUnit As String, _
    ByVal FromValue As String _
) As String

public string ConvertDate(
    string FromUnit,
    string ToUnit,
    string FromValue
);

public: String __gc ^ ConvertDate(
    String __gc ^ FromUnit,
    String __gc ^ ToUnit,
    String __gc ^ FromValue
);

public: HRESULT ConvertDate(
    BSTR FromUnit,
    BSTR ToUnit,
    BSTR FromValue,
    BSTR * pToValue
);

public String convertDate(
    String FromUnit,
    String ToUnit,
    String FromValue
);

def ConvertDate(self, FromUnit:str, ToUnit:str, FromValue:str) -> str: