TimePicker.TimeChanged Evento
Definizione
Importante
Alcune informazioni sono relative alla release non definitiva del prodotto, che potrebbe subire modifiche significative prima della release definitiva. Microsoft non riconosce alcuna garanzia, espressa o implicita, in merito alle informazioni qui fornite.
Si verifica in seguito alla modifica del valore della proprietà Time.
// Register
event_token TimeChanged(EventHandler<TimePickerValueChangedEventArgs> const& handler) const;
// Revoke with event_token
void TimeChanged(event_token const* cookie) const;
// Revoke with event_revoker
TimePicker::TimeChanged_revoker TimeChanged(auto_revoke_t, EventHandler<TimePickerValueChangedEventArgs> const& handler) const;public event System.EventHandler<TimePickerValueChangedEventArgs> TimeChanged;function onTimeChanged(eventArgs) { /* Your code */ }
timePicker.addEventListener("timechanged", onTimeChanged);
timePicker.removeEventListener("timechanged", onTimeChanged);
- or -
timePicker.ontimechanged = onTimeChanged;Public Custom Event TimeChanged As EventHandler(Of TimePickerValueChangedEventArgs) <TimePicker TimeChanged="eventhandler" />
Tipo evento
Esempio
<TimePicker TimeChanged="TimePicker_TimeChanged"/>
<TextBlock x:Name="resultText"/>
private void TimePicker_TimeChanged(object sender, TimePickerValueChangedEventArgs e)
{
DateTime myTime = DateTime.Today + e.NewTime;
var timeDiff = e.NewTime - e.OldTime;
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);
}
}