TimePicker.SelectedTimeChanged Evento

Definición

Espacio de nombres:

Windows.UI.Xaml.Controls

Se produce cuando cambia el valor de la propiedad 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" />

Tipo de evento

TypedEventHandler<TimePicker,TimePickerSelectedValueChangedEventArgs>

Requisitos de Windows

Familia de dispositivos	Windows 10, version 1809 (se introdujo en la versión 10.0.17763.0)
API contract	Windows.Foundation.UniversalApiContract (se introdujo en la versión v7.0)

Ejemplos

Para obtener un ejemplo del uso de DatePicker y TimePicker en conjunto para actualizar un solo valor de DateTime, consulte Calendario, controles de fecha y hora: Uso de un selector de fecha y un selector de hora en conjunto.

<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);
    }
}