typedef enum { MessageBoxIconAlert, MessageBoxIconError, MessageBoxIconNone, MessageBoxIconWarning } MessageBoxIcon; typedef enum { NotificationPositionBottomCenter, NotificationPositionBottomLeft, NotificationPositionBottomRight, NotificationPositionCenter, NotificationPositionCenterLeft, NotificationPositionCenterRight, NotificationPositionTopCenter, NotificationPositionTopLeft, NotificationPositionTopRight, } NotificationPosition;