AppointmentViewInfo.CustomViewInfo Property

Gets or sets a custom object to be used for rendering the appointment.

Namespace: DevExpress.Xpf.Scheduler.Drawing

Assembly: DevExpress.Xpf.Scheduler.v14.2.dll

Declaration

C#

public object CustomViewInfo { get; set; }

VB.NET

Public Property CustomViewInfo As Object

Property Value

Type	Description
Object	An object used for customizing the appointment's visual representation.

Remarks

Use the CustomViewInfo property to specify a custom object (for example, resource image) to be displayed within an appointment.

Examples

TIP

A complete sample project is available in the DevExpress Code Examples database at http://www.devexpress.com/example=E3885.

This example demonstrates how to use the AppointmentViewInfo.Subject, AppointmentViewInfo.Location, AppointmentViewInfo.Description, AppointmentViewInfo.CustomViewInfo, SchedulerViewBase.AppointmentToolTipContentTemplate properties and SchedulerControl.AppointmentViewInfoCustomizing event to define and apply a custom template for showing an appointment subject, location, description and resource images within appointment tooltips.

C#

using System;
using System.Windows;
using System.Windows.Controls;
using System.Collections.Generic;
using System.Windows.Media.Imaging;
using DevExpress.XtraScheduler;
using DevExpress.Xpf.Scheduler;
using DevExpress.Xpf.Scheduler.Drawing;

namespace SilverlightApplication1 {
    public partial class MainPage : UserControl {
        Dictionary<Resource, BitmapImage> resourceImages = new Dictionary<Resource, BitmapImage>();

        public MainPage() {
            InitializeComponent();

            // ...

            DataTemplate template = (DataTemplate)this.Resources["AppointmentTooltipContentTemplate"];
            schedulerControl1.WeekView.AppointmentToolTipContentTemplate = template;
        }

        private void schedulerControl1_AppointmentViewInfoCustomizing(object sender, 
                                                        AppointmentViewInfoCustomizingEventArgs e) {
            AppointmentViewInfo viewInfo = e.ViewInfo;
            Resource resource = schedulerControl1.Storage.ResourceStorage.
                                GetResourceById(viewInfo.Appointment.ResourceId);
            if (resource == Resource.Empty || resource.Image == null)
                viewInfo.CustomViewInfo = null;
            else {
                if (!this.resourceImages.ContainsKey(resource))
                    this.resourceImages[resource] = resource.Image.Source as BitmapImage;
                viewInfo.CustomViewInfo = this.resourceImages[resource];
            }
        }
    }
}

VB.NET

Imports System
Imports System.Windows.Controls
Imports System.Windows.Media.Imaging
Imports DevExpress.XtraScheduler
Imports DevExpress.Xpf.Scheduler
Imports DevExpress.Xpf.Scheduler.Drawing

Partial Public Class MainPage
    Inherits UserControl
    Private resourceImages As Dictionary(Of Resource, BitmapImage) = New Dictionary(Of Resource,  _
                        BitmapImage)()
    Public Sub New()
        InitializeComponent()

        ' ...

        Dim template As DataTemplate = CType(Me.Resources("AppointmentTooltipContentTemplate"),  _
         DataTemplate)
        schedulerControl1.WeekView.AppointmentToolTipContentTemplate = template
    End Sub

    Private Sub schedulerControl1_AppointmentViewInfoCustomizing(sender As Object, _
                                                        e As AppointmentViewInfoCustomizingEventArgs)
        Dim viewInfo As AppointmentViewInfo = e.ViewInfo
        Dim resource As Resource = _
            schedulerControl1.Storage.ResourceStorage.GetResourceById(viewInfo.Appointment.ResourceId)
        If resource Is resource.Empty OrElse resource.Image Is Nothing Then
            viewInfo.CustomViewInfo = Nothing
        Else
            If (Not Me.resourceImages.ContainsKey(resource)) Then
                Me.resourceImages(resource) = TryCast(resource.Image.Source, BitmapImage)
            End If
            viewInfo.CustomViewInfo = Me.resourceImages(resource)
        End If
    End Sub

End Class

XAML

<UserControl x:Class="SilverlightApplication1.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:dxsch="http://schemas.devexpress.com/winfx/2008/xaml/scheduler"
    xmlns:riaControls="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.DomainServices"
    xmlns:local="clr-namespace:SilverlightApplication1.Web"
    mc:Ignorable="d"
    d:DesignHeight="478" d:DesignWidth="590">

<UserControl.Resources>

    <!---->

    <!--AppointmentTooltipTemplate-->
    <DataTemplate x:Key="AppointmentTooltipContentTemplate">
        <Grid>
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="AUTO"/>
                <ColumnDefinition Width="*"/>
            </Grid.ColumnDefinitions>
            <Grid.RowDefinitions>
                <RowDefinition Height="Auto"/>
                <RowDefinition Height="Auto"/>
                <RowDefinition Height="Auto"/>
            </Grid.RowDefinitions>

            <Border Grid.RowSpan="2" Margin="2" BorderThickness="1"
                BorderBrush="DarkGray" CornerRadius="2">
                <Image Stretch="Uniform" 
                    MaxWidth="140" MaxHeight="100" 
                    Source="{Binding Path=CustomViewInfo}"/>
            </Border>

            <TextBlock Grid.Column="1" Text="{Binding Path=Subject}"/>
            <TextBlock Grid.Row="1" Grid.Column="1" Text="{Binding Path=Location}"/>
            <TextBlock Grid.Row="2" Grid.ColumnSpan="2"  Text="{Binding Path=Description}"/>
        </Grid>
    </DataTemplate>
</UserControl.Resources>

<Grid x:Name="LayoutRoot" Background="White">
    <dxsch:SchedulerControl Name="schedulerControl1"
                            HorizontalAlignment="Stretch" VerticalAlignment="Stretch"
                            ActiveViewType="Week"
                            GroupType="None"
                            AppointmentViewInfoCustomizing="schedulerControl1_AppointmentViewInfoCustomizing">

        <dxsch:SchedulerControl.Storage>

                <!---->

        </dxsch:SchedulerControl.Storage>
    </dxsch:SchedulerControl>
</Grid>
</UserControl>