TimePicker.SelectedTimeChanged Событие

Определение

Пространство имен:

Windows.UI.Xaml.Controls

Генерируется при изменении значения свойства SelectedTime.

// Register
event_token SelectedTimeChanged(TypedEventHandler<TimePicker, TimePickerSelectedValueChangedEventArgs const&> const& handler) const;

// Revoke with event_token
void SelectedTimeChanged(event_token const* cookie) const;

// Revoke with event_revoker
TimePicker::SelectedTimeChanged_revoker SelectedTimeChanged(auto_revoke_t, TypedEventHandler<TimePicker, TimePickerSelectedValueChangedEventArgs const&> const& handler) const;

public event TypedEventHandler<TimePicker,TimePickerSelectedValueChangedEventArgs> SelectedTimeChanged;

function onSelectedTimeChanged(eventArgs) { /* Your code */ }
timePicker.addEventListener("selectedtimechanged", onSelectedTimeChanged);
timePicker.removeEventListener("selectedtimechanged", onSelectedTimeChanged);
- or -
timePicker.onselectedtimechanged = onSelectedTimeChanged;

Public Custom Event SelectedTimeChanged As TypedEventHandler(Of TimePicker, TimePickerSelectedValueChangedEventArgs) 

<TimePicker SelectedTimeChanged="eventhandler" />

Тип события

TypedEventHandler<TimePicker,TimePickerSelectedValueChangedEventArgs>

Требования к Windows

Семейство устройств	Windows 10, version 1809 (появилось в 10.0.17763.0)
API contract	Windows.Foundation.UniversalApiContract (появилось в v7.0)

Примеры

Пример совместного использования DatePicker и TimePicker для обновления одного значения DateTime см. в разделе Элементы управления календарем, датой и временем. Использование управляющего элемента выбора даты и выбора времени вместе.

<TimePicker SelectedTimeChanged="TimePicker_SelectedTimeChanged"/>
<TextBlock x:Name="resultText"/>

private void TimePicker_SelectedTimeChanged(TimePicker sender, TimePickerSelectedValueChangedEventArgs args)
{
    DateTime myTime = DateTime.Today + (TimeSpan)args.NewTime;
    if (DateTime.Now >= myTime)
    {
        resultText.Text = "Your selected time has already past.";
    }
    else
    {
        string hrs = (myTime - DateTime.Now).Hours.ToString();
        string mins = (myTime - DateTime.Now).Minutes.ToString();
        resultText.Text = string.Format("Your selected time is {0} hours, {1} minutes from now.", hrs, mins);
    }
}