i have a custom tabBar class in which i switch three view controllers ,i am removing the presentview controller and presenting the other .
custom tabbar class
       -list
       -inbox
       -messages
now i have to pass an array from list to inbox 
i usually create an instance of the recieving class like
Inbox *inbox=[[Inbox alloc]init];
inbox.array=self.array;   
     
     
    