Removes all the annually bolded dates.
This method clears all dates from the AnnuallyBoldedDates array. To remove a single date from the bolded dates, use the RemoveAnnuallyBoldedDate method. You must call UpdateBoldedDates to ensure that the display is updated to reflect the removal.
OutlookMonthCalendar Class | Resco.Controls.OutlookControls Namespace