MonthViewHeaderItemViewModel Class

The storage for appearance settings values of an individual month view header item‘s representation.

Namespace: DevExpress.XamarinForms.Scheduler

Assembly: DevExpress.XamarinForms.Scheduler.dll

NuGet Package: DevExpress.XamarinForms.Scheduler

Declaration

public class MonthViewHeaderItemViewModel :
    HeaderItemViewModel

Remarks

The Scheduler View uses this class in the following occurrences:

BindingContext of a data template assigned to the MonthView.HeaderItemTemplate property stores this class’s instance.
The MonthViewHeaderItemStyle.Customizer‘s Customize(MonthViewHeaderItemViewModel) accepts this class’s instance as an argument.

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

Month View Header Item View Model's Settable Properties

Example

This example demonstrates how to use the month view header item style and its customizer to modify the appearance of header items.

XAML
C#

<dxs:MonthView.HeaderItemStyle>
    <dxs:MonthViewHeaderItemStyle BorderColor="#808080"
                                  BorderThickness="2,0,0,2">
        <dxs:MonthViewHeaderItemStyle.TodayWeekDayTextStyle>
            <dxs:TextStyle Color="#ff8000" FontAttributes="Bold"/>
        </dxs:MonthViewHeaderItemStyle.TodayWeekDayTextStyle>
        <dxs:MonthViewHeaderItemStyle.Customizer>
            <views:MonthViewHeaderItemCustomizer/>
        </dxs:MonthViewHeaderItemStyle.Customizer>
    </dxs:MonthViewHeaderItemStyle>
</dxs:MonthView.HeaderItemStyle>

class MonthViewHeaderItemCustomizer : IMonthViewHeaderItemCustomizer {
    public void Customize(MonthViewHeaderItemViewModel header) {
        if (header.IsToday) {
            var tmp = header.BackgroundColor;
            header.BackgroundColor = header.WeekDayTextColor;
            header.WeekDayTextColor = tmp;
        }
    }
}

Symbol	Description
DayViewBase.HeaderItemStyle	Gets or sets appearance settings of header items.
MonthViewHeaderItemStyle	The storage for the Month View’s header items appearance settings.
MonthViewHeaderItemStyle.Customizer	Gets or sets an object that customizes the appearance of an individual month view header item.
IMonthViewHeaderItemCustomizer	The interface that should implement a class that modifies appearance settings of individual Month View header items.
IMonthViewHeaderItemCustomizer.Customize(MonthViewHeaderItemViewModel)	Modifies appearance settings of an individual Month View header item.
`MonthViewHeaderItemViewModel`	The storage for appearance settings values of an individual month view header item‘s representation.