This overload of the DisplayAppointmentDialog creates a new AppointmentDialog for a new Appointment object if the BeforeDisplayAppointmentDialog event is not cancelled. If the Appointment is saved from the dialog, the Appointment will be created and added to 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