public bool IsPreview {get;}

'Declaration
 
Public ReadOnly Property IsPreview As Boolean

'Usage
 
Dim instance As CalendarItem
Dim value As Boolean
 
value = instance.IsPreview

Property Value

A preview day is a day that appears on the currently displayed month but that belongs either to the previous or next months.

Target Platforms: Windows 11, Windows, 10, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

CalendarItem Class
CalendarItem Members