DayViewHeaderItemStyle Class

The storage for the Day-based View’s date header appearance settings.

Namespace: DevExpress.XamarinForms.Scheduler

Assembly: DevExpress.XamarinForms.Scheduler.dll

Declaration

public class DayViewHeaderItemStyle :
    HeaderItemStyle

Related API Members

The following members return DayViewHeaderItemStyle objects:

• DayViewBase.HeaderItemStyle

Remarks

The DayView, WorkWeekView and WeekView use this class to store date headers’ settings. The style configures the following header types:

1. Date Header
2. Today Date Header

The View provides the following options that configure the header’s appearance:

Example

This example demonstrates how to use the day view header item style and its customizer to modify the header’s appearance.

XAML

<dxs:WorkWeekView.HeaderItemStyle>
    <dxs:DayViewHeaderItemStyle 
        BackgroundColor="Gray" 
        TodayDayNumberBackgroundColor="#FF8000" 
        TextSpacing="16"
        BorderThickness="2"
        BorderColor="#f0f0f0">
        <dxs:DayViewHeaderItemStyle.DayNumberTextStyle>
            <dxs:TextStyle Color="Black"/>
        </dxs:DayViewHeaderItemStyle.DayNumberTextStyle>
        <dxs:DayViewHeaderItemStyle.TodayDayNumberTextStyle>
            <dxs:TextStyle Color="White"/>
        </dxs:DayViewHeaderItemStyle.TodayDayNumberTextStyle>
        <dxs:DayViewHeaderItemStyle.WeekDayTextStyle>
            <dxs:TextStyle Color="Black"/>
        </dxs:DayViewHeaderItemStyle.WeekDayTextStyle>
        <dxs:DayViewHeaderItemStyle.TodayWeekDayTextStyle>
            <dxs:TextStyle Color="#FF8000"/>
        </dxs:DayViewHeaderItemStyle.TodayWeekDayTextStyle>
        <dxs:DayViewHeaderItemStyle.Customizer>
            <views:HeaderItemCustomizer/>
        </dxs:DayViewHeaderItemStyle.Customizer>
    </dxs:DayViewHeaderItemStyle>
</dxs:WorkWeekView.HeaderItemStyle>

C#

class HeaderItemCustomizer : IDayViewHeaderItemCustomizer {
    public void Customize(DayViewHeaderItemViewModel header) {
        if (header.IsToday) {
            header.BackgroundColor = header.AlternateBackgroundColor;
            header.AlternateBackgroundColor = Color.White;
            Color tmp = header.DayNumberTextColor;
            header.DayNumberTextColor = header.WeekDayTextColor;
            header.WeekDayTextColor = tmp;
        }
    }
}

Symbol	Description
DayViewBase.HeaderItemStyle	Gets or sets appearance settings of header items.
DayViewHeaderItemStyle	The storage for the Day-based View’s date header appearance settings.
DayViewHeaderItemStyle.Customizer	Gets or sets an object that customizes the view models that provide data for headers.
IDayViewHeaderItemCustomizer	The interface that should implement a class that modifies appearance settings of individual Day View header items.
IDayViewHeaderItemCustomizer.Customize(DayViewHeaderItemViewModel)	Modifies appearance settings of an individual Day View header item.
DayViewHeaderItemViewModel	The storage for appearance settings values of an individual Day View header item‘s representation.

Implements

INotifyPropertyChanged

Xamarin.Forms.IElementController

Inheritance

Object

Xamarin.Forms.BindableObject

Xamarin.Forms.Element

DevExpress.XamarinForms.Scheduler.Internal.SchedulerElement

ItemStyle

HeaderItemStyle

DayViewHeaderItemStyle