Occurs before an ICalendarExporter class exports an appointment
public event AppointmentItemExportingEventHandler AppointmentExporting
Public Event AppointmentExporting As AppointmentItemExportingEventHandler
The AppointmentExporting event's data class is DevExpress.Xpf.Scheduling.iCalendar.AppointmentItemExportingEventArgs.
The AppointmentExporting event allows you to decide what to do if conflicting items are found, and select which appointments should be exported.