The CalendarHighlightEvent property indicates the visual aspect of the dates with events in the same group, in the calendar panel. The CalendarHighlightEvent property has effect only, the the GroupHighlightEvent property is True. The GroupHighlightEvent property specifies if events are highlighted using the HighlightEvent property ( False ), or using the  CalendarHighlightEvent property of the Group that event belongs to. The GroupID property indicates the identifier of the event's group. The ScheduleHighlightEvent property specifies the visual appearance of dates with events in the schedule panel.

Using the CalendarHighlightEvent  object a date with events can combine one or more of the following options:

• bold, Bold property renders as bold text
• italic, Italic property renders as italic text
• underline, Underline property underlines the text
• strikeout, StrikeOut property shows the text with a horizontal line through its center
• change the font size, FontSize property indicates the size of the font to display the text
• change the font, using the Font property
• change the text's foreground color, using the ForeColor property
• change the text's background color, using the BackColor property
• shows a pattern using the Pattern property

The following screen shot shows the dates with events when GroupHighlightEvent property is True: