pl 

OnCanClose (TCommonDialog)

pl 

OnClose (TCommonDialog)

pl 

OnDayChanged (TCalendarDialog)

pl 

OnMonthChanged (TCalendarDialog)

pl 

OnShow (TCommonDialog)

pl 

OnYearChanged (TCalendarDialog)
The latest version of this document can be found at lazarus-ccr.sourceforge.net.