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

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