基本形 UICCalendarPicker *calendarPicker = [[UICCalendarPicker alloc] initWithSize:UICCalendarPickerSizeMedium]; [calendarPicker setDelegate:self]; [calendarPicker setSelectionMode:UICCalendarPickerSelectionModeMultiSelection]; [calendarPicker showInView:self.view animated:YES]; [calendarPicker release]; 1. サイズを指定してインスタンスを作ります。 UICCalendarPicker *calendarPicker = [[UICCalendarPicker alloc] initWithSi