[Lazarus] Google Calendar API TEvent start or _end (TDatetime) question

[Michael Van Canneyt]

On Wed, 3 Jun 2020, Francesco Sammarco wrote:

> sorry and how do I set the date and time of the apartment ?!

I would think this is sufficient:

   Entry := FCalendarAPI.EventsResource.Get(CalendarFindedId, my_id_app);
   start_e := TEventDateTime.Create();
   end_e   := TEventDateTime.Create();
   start_e.dateTime   := data_appuntamento;
   start_e.timeZone   := 'Europe/Rome';

Michael.

>
> Il mer 3 giu 2020, 15:55 Michael Van Canneyt <michael at freepascal.org> ha
> scritto:
>
>>
>>
>> On Wed, 3 Jun 2020, Francesco Sammarco wrote:
>>
>>> sorry I don't understand, you say that just remove the lines where I
>>> specify the timezone ?!
>>
>> No, remove the
>>
>> start_e.dateTime   := LocalTimeToUniversal(start_e.dateTime);
>>
>> I think it is not necessary if you set the timezone.
>>
>> Michael.
>>
>>
>>>
>>> Il mer 3 giu 2020, 14:51 Michael Van Canneyt <michael at freepascal.org> ha
>>> scritto:
>>>
>>>>
>>>>
>>>> On Wed, 3 Jun 2020, Francesco Sammarco via lazarus wrote:
>>>>
>>>>> Hi everyone, I have the following problem. I have a calendar (Italian)
>> to
>>>>> sync with Google Calendar. With the following code I can work quite
>> well.
>>>>> If today (2020-06-03) I set a new appointment it is saved on google
>>>>> calendar on the right day and time, but if for example: always today
>> if I
>>>>> set an appointment for December 10, 2020 at 9 am, I find myself there
>>>>> appointment set on the right day but at 8 am. (So an hour behind) I
>> think
>>>>> it's due to the change between sunlight and daylight. Can anyone
>> explain
>>>> to
>>>>> me how to solve the problem?
>>>>>
>>>>> Thank you
>>>>> XinYiMan
>>>>>
>>>>>
>>>>>
>>>>> var
>>>>>   start_e  : TEventDateTime;
>>>>>   end_e    : TEventDateTime;
>>>>>   Entry    : TEvent;
>>>>> begin
>>>>>            Entry := FCalendarAPI.EventsResource.Get(CalendarFindedId,
>>>>> my_id_app);
>>>>>
>>>>>                     start_e := TEventDateTime.Create();
>>>>>                     end_e   := TEventDateTime.Create();
>>>>>
>>>>>                     start_e.dateTime   := data_appuntamento;
>>>>>                     start_e.dateTime   :=
>>>>> LocalTimeToUniversal(start_e.dateTime);
>>>>>                     start_e.timeZone   := 'Europe/Rome';
>>>>
>>>> If you set the timzeone explicitly, I don't think you must do a
>>>> LocalTimeToUniversal,
>>>> I think the timezone is then automatically taken into account. As I
>>>> understand it you specify the timezone in dateTime or you set it in the
>>>> timezone.
>>>>
>>>> Michael.
>>>>
>>>
>>
>