If flag is NO, the application returns to normal operation. When the application enters context-sensitive help mode, NSHelpManager posts a NSContextHelpModeDidActivateNotification to the default notification center. When the application returns to normal operation, NSHelpManager posts a NSContextHelpModeDidDeactivateNotification. If object does not have context-sensitive help associated with it, this method does nothing. Typically, you use Interface Builder to remove context-sensitive help from an item.
Associates help with object .
Typically, you use Interface Builder to associate context-sensitive help with an object. Displays the context-sensitive help for object at or near the point on the screen specified by point. This point is usually just under the cursor. This typically happens when the user holds down the Help key. This notification contains a notification object but no userInfo dictionary.