The most recent version of this documentation can be found at https://docs.dyalog.com/20.0/.

MaxDate Property
Applies To: Calendar DateTimePicker

Description

The MaxDate property specifies the largest date that the user may select in a Calendar object or in the calendar drop-down of a DateTimePicker.

MaxDate is an IDN value. Its default value is 11249470 which is the maximum date that the Calendar can display.