TPlannerDatePicker date range select

How can I use date range selection (pressing shift)?. I can select a range but when leave the control it returns to original date.
sample:

Select 05/06/2025-10/06/2025 .... click on other control and the date returns to 05/06/2025 only

thanks

TPlannerDatePicker is a picker control for a single date.
If you want a picker for a date range, please use TPlannerRangeSelector