When the drag operation is initiated, the NewDateTime and InitialDateTime are the same. As the user moves the cursor over areas of the control which represent a different date, the value of the NewDateTime property changes to reflect the date which is used to determine the new date for the appointments.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, 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