AppointmentViewModel Class

The storage for appearance settings values of an individual appointment item‘s representation.

Namespace: DevExpress.XamarinForms.Scheduler

Assembly: DevExpress.XamarinForms.Scheduler.dll

NuGet Package: DevExpress.XamarinForms.Scheduler

Declaration

public class AppointmentViewModel :
    ItemViewModel

Remarks

The Scheduler View uses this class in the following occurrences:

• BindingContext of a data template assigned to the DayViewBase.AppointmentTemplate, DayViewBase.AllDayAppointmentTemplate, and MonthView.AppointmentTemplate property stores this class’s instance.
• The AppointmentStyle.Customizer‘s Customize(AppointmentViewModel) accepts this class’s instance as an argument.

This view model provides the following settings that you can customize:

Example

This example demonstrates how to use the appointment style and its customizer to modify the cell’s appearance.

XAML

<dxs:WorkWeekView.AppointmentStyle>
    <dxs:AppointmentStyle
        BorderThickness="2"
        BorderColor="#808080"
        ContentPadding="8">
        <dxs:AppointmentStyle.TextStyle>
            <dxs:TextStyle Color="Black"/>
        </dxs:AppointmentStyle.TextStyle>
        <dxs:AppointmentStyle.Customizer>
            <views:AppointmentCustomizer/>
        </dxs:AppointmentStyle.Customizer>
    </dxs:AppointmentStyle>
</dxs:WorkWeekView.AppointmentStyle>

C#

class AppointmentCustomizer : IAppointmentCustomizer {
    public void Customize(AppointmentViewModel appointment) {
        if (appointment.VisibleInterval.Contains(DateTime.Now)) {
            appointment.BackgroundColor = Color.Orange;
        }
    }
}

Symbol	Description
DayViewBase.AppointmentStyle	Gets or sets appearance settings of appointments.
AppointmentStyle	The storage of appointment item appearance settings.
AppointmentStyle.Customizer	Gets or sets the object that customizes the appointment appearance depending on internal logic.
IAppointmentCustomizer	The interface that should implement a class that modifies appearance settings of individual appointments.
IAppointmentCustomizer.Customize(AppointmentViewModel)	Modifies appearance settings of an individual appointment.
AppointmentViewModel	The storage for appearance settings values of an individual appointment item‘s representation.

Implements

INotifyPropertyChanged

INotifyPropertyChanging

Inheritance

Object

DevExpress.XamarinForms.Scheduler.Internal.NotifyPropertyChangedBase

ItemViewModel

AppointmentViewModel