Управление встречами

Пространство имен Windows.ApplicationModel.Appointments позволяет создавать встречи в приложении календаря пользователя и управлять ими. Здесь мы покажем, как создать встречу, добавить ее в приложение календаря, заменить и удалить из него. Кроме того, вы узнаете, как отобразить интервал времени в календаре и создать объект повторяющейся встречи.

Создание встречи и применение к ней данных

Создайте объект Windows.ApplicationModel.Appointments.Appointment и назначьте его переменной. Затем примените к Appointment свойства встречи, предоставленные пользователем через пользовательский интерфейс.

private void Create-Click(object sender, RoutedEventArgs e)
{
    bool isAppointmentValid = true;
    var appointment = new Windows.ApplicationModel.Appointments.Appointment();

    // StartTime
    var date = StartTimeDatePicker.Date;
    var time = StartTimeTimePicker.Time;
    var timeZoneOffset = TimeZoneInfo.Local.GetUtcOffset(DateTime.Now);
    var startTime = new DateTimeOffset(date.Year, date.Month, date.Day, time.Hours, time.Minutes, 0, timeZoneOffset);
    appointment.StartTime = startTime;

    // Subject
    appointment.Subject = SubjectTextBox.Text;

    if (appointment.Subject.Length > 255)
    {
        isAppointmentValid = false;
        ResultTextBlock.Text = "The subject cannot be greater than 255 characters.";
    }

    // Location
    appointment.Location = LocationTextBox.Text;

    if (appointment.Location.Length > 32768)
    {
        isAppointmentValid = false;
        ResultTextBlock.Text = "The location cannot be greater than 32,768 characters.";
    }

    // Details
    appointment.Details = DetailsTextBox.Text;

    if (appointment.Details.Length > 1073741823)
    {
        isAppointmentValid = false;
        ResultTextBlock.Text = "The details cannot be greater than 1,073,741,823 characters.";
    }

    // Duration
    if (DurationComboBox.SelectedIndex == 0)
    {
        // 30 minute duration is selected
        appointment.Duration = TimeSpan.FromMinutes(30);
    }
    else
    {
        // 1 hour duration is selected
        appointment.Duration = TimeSpan.FromHours(1);
    }

    // All Day
    appointment.AllDay = AllDayCheckBox.IsChecked.Value;

    // Reminder
    if (ReminderCheckBox.IsChecked.Value)
    {
        switch (ReminderComboBox.SelectedIndex)
        {
            case 0:
                appointment.Reminder = TimeSpan.FromMinutes(15);
                break;
            case 1:
                appointment.Reminder = TimeSpan.FromHours(1);
                break;
            case 2:
                appointment.Reminder = TimeSpan.FromDays(1);
                break;
        }
    }

    //Busy Status
    switch (BusyStatusComboBox.SelectedIndex)
    {
        case 0:
            appointment.BusyStatus = Windows.ApplicationModel.Appointments.AppointmentBusyStatus.Busy;
            break;
        case 1:
            appointment.BusyStatus = Windows.ApplicationModel.Appointments.AppointmentBusyStatus.Tentative;
            break;
        case 2:
            appointment.BusyStatus = Windows.ApplicationModel.Appointments.AppointmentBusyStatus.Free;
            break;
        case 3:
            appointment.BusyStatus = Windows.ApplicationModel.Appointments.AppointmentBusyStatus.OutOfOffice;
            break;
        case 4:
            appointment.BusyStatus = Windows.ApplicationModel.Appointments.AppointmentBusyStatus.WorkingElsewhere;
            break;
    }

    // Sensitivity
    switch (SensitivityComboBox.SelectedIndex)
    {
        case 0:
            appointment.Sensitivity = Windows.ApplicationModel.Appointments.AppointmentSensitivity.Public;
            break;
        case 1:
            appointment.Sensitivity = Windows.ApplicationModel.Appointments.AppointmentSensitivity.Private;
            break;
    }

    // Uri
    if (UriTextBox.Text.Length > 0)
    {
        try
        {
            appointment.Uri = new System.Uri(UriTextBox.Text);
        }
        catch (Exception)
        {
            isAppointmentValid = false;
            ResultTextBlock.Text = "The Uri provided is invalid.";
        }
    }

    // Organizer
    // Note: Organizer can only be set if there are no invitees added to this appointment.
    if (OrganizerRadioButton.IsChecked.Value)
    {
        var organizer = new Windows.ApplicationModel.Appointments.AppointmentOrganizer();

        // Organizer Display Name
        organizer.DisplayName = OrganizerDisplayNameTextBox.Text;

        if (organizer.DisplayName.Length > 256)
        {
            isAppointmentValid = false;
            ResultTextBlock.Text = "The organizer display name cannot be greater than 256 characters.";
        }
        else
        {
            // Organizer Address (for example, Email Address)
            organizer.Address = OrganizerAddressTextBox.Text;

            if (organizer.Address.Length > 321)
            {
                isAppointmentValid = false;
                ResultTextBlock.Text = "The organizer address cannot be greater than 321 characters.";
            }
            else if (organizer.Address.Length == 0)
            {
                isAppointmentValid = false;
                ResultTextBlock.Text = "The organizer address must be greater than 0 characters.";
            }
            else
            {
                appointment.Organizer = organizer;
            }
        }
    }

    // Invitees
    // Note: If the size of the Invitees list is not zero, then an Organizer cannot be set.
    if (InviteeRadioButton.IsChecked.Value)
    {
        var invitee = new Windows.ApplicationModel.Appointments.AppointmentInvitee();

        // Invitee Display Name
        invitee.DisplayName = InviteeDisplayNameTextBox.Text;

        if (invitee.DisplayName.Length > 256)
        {
            isAppointmentValid = false;
            ResultTextBlock.Text = "The invitee display name cannot be greater than 256 characters.";
        }
        else
        {
            // Invitee Address (for example, Email Address)
            invitee.Address = InviteeAddressTextBox.Text;

            if (invitee.Address.Length > 321)
            {
                isAppointmentValid = false;
                ResultTextBlock.Text = "The invitee address cannot be greater than 321 characters.";
            }
            else if (invitee.Address.Length == 0)
            {
                isAppointmentValid = false;
                ResultTextBlock.Text = "The invitee address must be greater than 0 characters.";
            }
            else
            {
                // Invitee Role
                switch (RoleComboBox.SelectedIndex)
                {
                    case 0:
                        invitee.Role = Windows.ApplicationModel.Appointments.AppointmentParticipantRole.RequiredAttendee;
                        break;
                    case 1:
                        invitee.Role = Windows.ApplicationModel.Appointments.AppointmentParticipantRole.OptionalAttendee;
                        break;
                    case 2:
                        invitee.Role = Windows.ApplicationModel.Appointments.AppointmentParticipantRole.Resource;
                        break;
                }

                // Invitee Response
                switch (ResponseComboBox.SelectedIndex)
                {
                    case 0:
                        invitee.Response = Windows.ApplicationModel.Appointments.AppointmentParticipantResponse.None;
                        break;
                    case 1:
                        invitee.Response = Windows.ApplicationModel.Appointments.AppointmentParticipantResponse.Tentative;
                        break;
                    case 2:
                        invitee.Response = Windows.ApplicationModel.Appointments.AppointmentParticipantResponse.Accepted;
                        break;
                    case 3:
                        invitee.Response = Windows.ApplicationModel.Appointments.AppointmentParticipantResponse.Declined;
                        break;
                    case 4:
                        invitee.Response = Windows.ApplicationModel.Appointments.AppointmentParticipantResponse.Unknown;
                        break;
                }

                appointment.Invitees.Add(invitee);
            }
        }
    }

    if (isAppointmentValid)
    {
        ResultTextBlock.Text = "The appointment was created successfully and is valid.";
    }
}

Добавление встречи в календарь пользователя

Создайте объект Windows.ApplicationModel.Appointments.Appointment и назначьте его переменной. Затем вызовите метод AppointmentManager.ShowAddAppointmentAsync(Appointment, Rect, Placement), чтобы отобразить пользовательский интерфейс добавления встречи поставщика встреч по умолчанию, который позволит пользователю добавить встречу. Если пользователь нажимает кнопку Добавить, пример выводит идентификатор встречи, возвращенный ShowAddAppointmentAsync.

private async void Add-Click(object sender, RoutedEventArgs e)
{
    // Create an Appointment that should be added the user's appointments provider app.
    var appointment = new Windows.ApplicationModel.Appointments.Appointment();

    // Get the selection rect of the button pressed to add this appointment
    var rect = GetElementRect(sender as FrameworkElement);

    // ShowAddAppointmentAsync returns an appointment id if the appointment given was added to the user's calendar.
    // This value should be stored in app data and roamed so that the appointment can be replaced or removed in the future.
    // An empty string return value indicates that the user canceled the operation before the appointment was added.
    String appointmentId = await Windows.ApplicationModel.Appointments.AppointmentManager.ShowAddAppointmentAsync(
                           appointment, rect, Windows.UI.Popups.Placement.Default);
    if (appointmentId != String.Empty)
    {
        ResultTextBlock.Text = "Appointment Id: " + appointmentId;
    }
    else
    {
        ResultTextBlock.Text = "Appointment not added.";
    }
}

Примечание Для приложений Windows Phone Store функции ShowAddAppointment так же, как ShowEditNewAppointment, в том, что диалоговое окно, отображаемое для добавления встречи, доступно для редактирования.

Замена встречи в календаре пользователя

Создайте объект Windows.ApplicationModel.Appointments.Appointment и назначьте его переменной. Затем вызовите соответствующий метод AppointmentManager.ShowReplaceAppointmentAsync, чтобы отобразить пользовательский интерфейс замены встречи поставщика встреч по умолчанию, который позволит пользователю заменить встречу. Пользователь предоставляет идентификатор встречи, которую хочет заменить. Это идентификатор, который был возвращен AppointmentManager.ShowAddAppointmentAsync. Если пользователь нажал кнопку Заменить, пример сообщает, что идентификатор встречи обновлен.

private async void Replace-Click(object sender, RoutedEventArgs e)
{
    // The appointment id argument for ReplaceAppointmentAsync is typically retrieved from AddAppointmentAsync and stored in app data.
    String appointmentIdOfAppointmentToReplace = AppointmentIdTextBox.Text;

    if (String.IsNullOrEmpty(appointmentIdOfAppointmentToReplace))
    {
        ResultTextBlock.Text = "The appointment id cannot be empty";
    }
    else
    {
        // The Appointment argument for ReplaceAppointmentAsync should contain all of the Appointment' s properties including those that may have changed.
        var appointment = new Windows.ApplicationModel.Appointments.Appointment();

        // Get the selection rect of the button pressed to replace this appointment
        var rect = GetElementRect(sender as FrameworkElement);

        // ReplaceAppointmentAsync returns an updated appointment id when the appointment was successfully replaced.
        // The updated id may or may not be the same as the original one retrieved from AddAppointmentAsync.
        // An optional instance start time can be provided to indicate that a specific instance on that date should be replaced
        // in the case of a recurring appointment.
        // If the appointment id returned is an empty string, that indicates that the appointment was not replaced.
        String updatedAppointmentId;
        if (InstanceStartDateCheckBox.IsChecked.Value)
        {
            // Replace a specific instance starting on the date provided.
            var instanceStartDate = InstanceStartDateDatePicker.Date;
            updatedAppointmentId = await Windows.ApplicationModel.Appointments.AppointmentManager.ShowReplaceAppointmentAsync(
                                   appointmentIdOfAppointmentToReplace, appointment, rect, Windows.UI.Popups.Placement.Default, instanceStartDate);
        }
        else
        {
            // Replace an appointment that occurs only once or in the case of a recurring appointment, replace the entire series.
            updatedAppointmentId = await Windows.ApplicationModel.Appointments.AppointmentManager.ShowReplaceAppointmentAsync(
                                   appointmentIdOfAppointmentToReplace, appointment, rect, Windows.UI.Popups.Placement.Default);
        }

        if (updatedAppointmentId != String.Empty)
        {
            ResultTextBlock.Text = "Updated Appointment Id: " + updatedAppointmentId;
        }
        else
        {
            ResultTextBlock.Text = "Appointment not replaced.";
        }
    }
}

Удаление встречи из календаря пользователя

Вызовите соответствующий метод AppointmentManager.ShowRemoveAppointmentAsync, чтобы отобразить пользовательский интерфейс удаления встречи поставщика встреч по умолчанию, который позволит пользователю удалить встречу. Пользователь предоставляет идентификатор встречи, которую хочет заменить. Это идентификатор, который был возвращен AppointmentManager.ShowAddAppointmentAsync. Если пользователь нажимает кнопку Удалить, пример сообщает, что встреча с этим идентификатором удалена.

private async void Remove-Click(object sender, RoutedEventArgs e)
{
    // The appointment id argument for ShowRemoveAppointmentAsync is typically retrieved from AddAppointmentAsync and stored in app data.
    String appointmentId = AppointmentIdTextBox.Text;

    // The appointment id cannot be null or empty.
    if (String.IsNullOrEmpty(appointmentId))
    {
        ResultTextBlock.Text = "The appointment id cannot be empty";
    }
    else
    {
        // Get the selection rect of the button pressed to remove this appointment
        var rect = GetElementRect(sender as FrameworkElement);

        // ShowRemoveAppointmentAsync returns a boolean indicating whether or not the appointment related to the appointment id given was removed.
        // An optional instance start time can be provided to indicate that a specific instance on that date should be removed
        // in the case of a recurring appointment.
        bool removed;
        if (InstanceStartDateCheckBox.IsChecked.Value)
        {
            // Remove a specific instance starting on the date provided.
            var instanceStartDate = InstanceStartDateDatePicker.Date;
            removed = await Windows.ApplicationModel.Appointments.AppointmentManager.ShowRemoveAppointmentAsync(
                      appointmentId, rect, Windows.UI.Popups.Placement.Default, instanceStartDate);
        }
        else
        {
            // Remove an appointment that occurs only once or in the case of a recurring appointment, replace the entire series.
            removed = await Windows.ApplicationModel.Appointments.AppointmentManager.ShowRemoveAppointmentAsync(
                      appointmentId, rect, Windows.UI.Popups.Placement.Default);
        }

        if (removed)
        {
            ResultTextBlock.Text = "Appointment removed";
        }
        else
        {
            ResultTextBlock.Text = "Appointment not removed";
        }
    }
}

Отображение интервала времени для поставщика встреч

Вызовите метод AppointmentManager.ShowTimeFrameAsync, чтобы отобразить конкретный интервал времени для основного пользовательского интерфейса поставщика встреч по умолчанию, если пользователь нажал кнопку Показать. Пример сообщает, что поставщик встреч по умолчанию отображен на экране.

private async void Show-Click(object sender, RoutedEventArgs e)
{
    var dateToShow = new DateTimeOffset(2015, 6, 12, 18, 32, 0, 0, TimeSpan.FromHours(-8));
    var duration = TimeSpan.FromHours(1);
    await Windows.ApplicationModel.Appointments.AppointmentManager.ShowTimeFrameAsync(dateToShow, duration);
    ResultTextBlock.Text = "The default appointments provider should have appeared on screen.";
}

Создание объекта повторяющейся встречи и применение к нему данных

Создайте объект Windows.ApplicationModel.Appointments.AppointmentRecurrence и назначьте его переменной. Затем примените к AppointmentRecurrence свойства повторения, предоставленные пользователем через пользовательский интерфейс.

private void Create-Click(object sender, RoutedEventArgs e)
{
    bool isRecurrenceValid = true;
    var recurrence = new Windows.ApplicationModel.Appointments.AppointmentRecurrence();

    // Unit
    switch (UnitComboBox.SelectedIndex)
    {
        case 0:
            recurrence.Unit = Windows.ApplicationModel.Appointments.AppointmentRecurrenceUnit.Daily;
            break;
        case 1:
            recurrence.Unit = Windows.ApplicationModel.Appointments.AppointmentRecurrenceUnit.Weekly;
            break;
        case 2:
            recurrence.Unit = Windows.ApplicationModel.Appointments.AppointmentRecurrenceUnit.Monthly;
            break;
        case 3:
            recurrence.Unit = Windows.ApplicationModel.Appointments.AppointmentRecurrenceUnit.MonthlyOnDay;
            break;
        case 4:
            recurrence.Unit = Windows.ApplicationModel.Appointments.AppointmentRecurrenceUnit.Yearly;
            break;
        case 5:
            recurrence.Unit = Windows.ApplicationModel.Appointments.AppointmentRecurrenceUnit.YearlyOnDay;
            break;
    }

    // Occurrences
    // Note: Occurrences and Until properties are mutually exclusive.
    if (OccurrencesRadioButton.IsChecked.Value)
    {
        recurrence.Occurrences = (uint)OccurrencesSlider.Value;
    }

    // Until
    // Note: Until and Occurrences properties are mutually exclusive.
    if (UntilRadioButton.IsChecked.Value)
    {
        recurrence.Until = UntilDatePicker.Date;
    }

    // Interval
    recurrence.Interval = (uint)IntervalSlider.Value;

    // Week of the month
    switch (WeekOfMonthComboBox.SelectedIndex)
    {
        case 0:
            recurrence.WeekOfMonth = Windows.ApplicationModel.Appointments.AppointmentWeekOfMonth.First;
            break;
        case 1:
            recurrence.WeekOfMonth = Windows.ApplicationModel.Appointments.AppointmentWeekOfMonth.Second;
            break;
        case 2:
            recurrence.WeekOfMonth = Windows.ApplicationModel.Appointments.AppointmentWeekOfMonth.Third;
            break;
        case 3:
            recurrence.WeekOfMonth = Windows.ApplicationModel.Appointments.AppointmentWeekOfMonth.Fourth;
            break;
        case 4:
            recurrence.WeekOfMonth = Windows.ApplicationModel.Appointments.AppointmentWeekOfMonth.Last;
            break;
    }

    // Days of the Week
    // Note: For Weekly, MonthlyOnDay or YearlyOnDay recurrence unit values, at least one day must be specified.
    if (SundayCheckBox.IsChecked.Value) { recurrence.DaysOfWeek |= Windows.ApplicationModel.Appointments.AppointmentDaysOfWeek.Sunday; }
    if (MondayCheckBox.IsChecked.Value) { recurrence.DaysOfWeek |= Windows.ApplicationModel.Appointments.AppointmentDaysOfWeek.Monday; }
    if (TuesdayCheckBox.IsChecked.Value) { recurrence.DaysOfWeek |= Windows.ApplicationModel.Appointments.AppointmentDaysOfWeek.Tuesday; }
    if (WednesdayCheckBox.IsChecked.Value) { recurrence.DaysOfWeek |= Windows.ApplicationModel.Appointments.AppointmentDaysOfWeek.Wednesday; }
    if (ThursdayCheckBox.IsChecked.Value) { recurrence.DaysOfWeek |= Windows.ApplicationModel.Appointments.AppointmentDaysOfWeek.Thursday; }
    if (FridayCheckBox.IsChecked.Value) { recurrence.DaysOfWeek |= Windows.ApplicationModel.Appointments.AppointmentDaysOfWeek.Friday; }
    if (SaturdayCheckBox.IsChecked.Value) { recurrence.DaysOfWeek |= Windows.ApplicationModel.Appointments.AppointmentDaysOfWeek.Saturday; }

    if (((recurrence.Unit == Windows.ApplicationModel.Appointments.AppointmentRecurrenceUnit.Weekly) ||
         (recurrence.Unit == Windows.ApplicationModel.Appointments.AppointmentRecurrenceUnit.MonthlyOnDay) ||
         (recurrence.Unit == Windows.ApplicationModel.Appointments.AppointmentRecurrenceUnit.YearlyOnDay)) &&
        (recurrence.DaysOfWeek == Windows.ApplicationModel.Appointments.AppointmentDaysOfWeek.None))
    {
        isRecurrenceValid = false;
        ResultTextBlock.Text = "The recurrence specified is invalid. For Weekly, MonthlyOnDay or YearlyOnDay recurrence unit values, " +
                               "at least one day must be specified.";
    }

    // Month of the year
    recurrence.Month = (uint)MonthSlider.Value;

    // Day of the month
    recurrence.Day = (uint)DaySlider.Value;

    if (isRecurrenceValid)
    {
        ResultTextBlock.Text = "The recurrence specified was created successfully and is valid.";
    }
}

Добавление новой редактируемой встречи

Метод ShowEditNewAppointmentAsync работает так же, как ShowAddAppointmentAsync, но диалоговое окно для добавления встречи редактируется, так что пользователь может изменить данные встречи перед ее сохранением.

private async void AddAndEdit-Click(object sender, RoutedEventArgs e)
{
    // Create an Appointment that should be added the user' s appointments provider app.
    var appointment = new Windows.ApplicationModel.Appointments.Appointment();

    appointment.StartTime = DateTime.Now + TimeSpan.FromDays(1);
    appointment.Duration = TimeSpan.FromHours(1);
    appointment.Location = "Meeting location";
    appointment.Subject = "Meeting subject";
    appointment.Details = "Meeting description";
    appointment.Reminder = TimeSpan.FromMinutes(15); // Remind me 15 minutes prior


    // ShowAddAppointmentAsync returns an appointment id if the appointment given was added to the user' s calendar.
    // This value should be stored in app data and roamed so that the appointment can be replaced or removed in the future.
    // An empty string return value indicates that the user canceled the operation before the appointment was added.
    String appointmentId =
        await Windows.ApplicationModel.Appointments.AppointmentManager.ShowEditNewAppointmentAsync(appointment);

    if (appointmentId != String.Empty)
    {
        ResultTextBlock.Text = "Appointment Id: " + appointmentId;
    }
    else
    {
        ResultTextBlock.Text = "Appointment not added.";
    }
}

Просмотр информации о встрече

Метод ShowAppointmentDetailsAsync приводит к отображению информации об определенной встрече в системе. Приложение, которое реализует календари приложения, может выбрать активацию для отображения информации для встреч в календарях, которыми оно владеет. В противном случае информацию о встрече будет показывать система. Перегрузка метода, который принимает аргумент даты начала, предоставляется, чтобы показать информацию о встрече для экземпляра повторяющейся встречи.

private async void ShowAppointmentDetails-Click(object sender, RoutedEventArgs e)
{

    if (instanceStartTime == null)
    {
        await Windows.ApplicationModel.Appointments.AppointmentManager.ShowAppointmentDetailsAsync(
            currentAppointment.LocalId);
    }
    else
    {
        // Specify a start time to show an instance of a recurring appointment
        await Windows.ApplicationModel.Appointments.AppointmentManager.ShowAppointmentDetailsAsync(
            currentAppointment.LocalId, instanceStartTime);
    }

}

Сводка и дальнейшие действия

Теперь вы имеете общее представление об управлении встречами. Скачайте Примеры универсальных приложений для Windows с GitHub, чтобы просмотреть дополнительные примеры управления встречами.