TIWCGJQDatePickerOptions.OnChangeMonthYear Property
Allows you to define your own event when the datepicker moves to a new month and/or year. The function receives the selected year, month (1-12), and the datepicker instance as parameters. this refers to the associated input field.
published property OnChangeMonthYear: TIWCGJSonFunc index 50 read GetFuncValue write SetFuncValue stored IsFuncStored;