The MultiCalendar combines X Microsoft Calendars that can be positioned in a grid with rows and columns. The selected dates, blackout dates and highlighted dates can be chosen from any calendars. The Background/Foreground of any CalendarDayButton can be easily customized based on its state(selected/highlighted/blackout/mouseOver/focused/today) and the background of any Calendar can be customized with an image or a brush.

'Declaration
 
<TemplatePartAttribute(Name="PART_PreviousMonthButton", Type=System.Windows.Controls.Button)>

<StyleTypedPropertyAttribute(Property="FocusVisualStyle", StyleTargetType=System.Windows.Controls.Control)>

<XmlLangPropertyAttribute("Language")>

<UsableDuringInitializationAttribute(True)>

<RuntimeNamePropertyAttribute("Name")>

<UidPropertyAttribute("Uid")>

<TypeDescriptionProviderAttribute(MS.Internal.ComponentModel.DependencyObjectProvider)>

<NameScopePropertyAttribute("NameScope", System.Windows.NameScope)>

Public Class MultiCalendar 

   Inherits System.Windows.Controls.Control

'Usage
 
Dim instance As MultiCalendar

[TemplatePart(Name="PART_PreviousMonthButton", Type=System.Windows.Controls.Button)]

[StyleTypedProperty(Property="FocusVisualStyle", StyleTargetType=System.Windows.Controls.Control)]

[XmlLangProperty("Language")]

[UsableDuringInitialization(true)]

[RuntimeNameProperty("Name")]

[UidProperty("Uid")]

[TypeDescriptionProvider(MS.Internal.ComponentModel.DependencyObjectProvider)]

[NameScopeProperty("NameScope", System.Windows.NameScope)]

public class MultiCalendar : System.Windows.Controls.Control