Bagikan melalui

TimePicker.SelectedTimeChanged Kejadian

  • Referensi

Definisi

Ruang nama:
Microsoft.UI.Xaml.Controls
Edit

Terjadi ketika nilai SelectedTime properti diubah.

// 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" />

Jenis Acara

TypedEventHandler<TimePicker,TimePickerSelectedValueChangedEventArgs>

Contoh

Untuk contoh penggunaan DatePicker dan bersama-sama untuk memperbarui satu DateTime nilai, lihat Kontrol kalender, tanggal, dan waktu - Gunakan pemilih tanggal dan pemilih waktu bersama-samaTimePicker.

<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);
    }
}

Berlaku untuk

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