Global Variable

NSPopUpButtonCellWillPopUpNotification

This notification is posted just before a pop-up menu is attached to its window frame.

Declaration

NSNotificationName NSPopUpButtonCellWillPopUpNotification;

Discussion

You can use this notification to lazily construct your part’s menus, thus preventing unnecessary calculations until they are needed. The notification object can be either a pop-up button or its enclosed pop-up button cell. This notification does not contain a userInfo dictionary.