static SimpleTimePicker() { DefaultStyleKeyProperty.OverrideMetadata(typeof(SimpleTimePicker), new FrameworkPropertyMetadata(typeof(SimpleTimePicker))); SelectedDateTimeProperty.OverrideMetadata(typeof(SimpleTimePicker), new FrameworkPropertyMetadata(OnSelectedDateTimeChanged)); IsDropDownOpenProperty.OverrideMetadata(typeof(SimpleTimePicker), new FrameworkPropertyMetadata(OnIsDropDownOpenChanged)); }
set => SetValue(SelectedDateTimeProperty, value);