How to add parameter in the addTarget's selector?

Say I have a function like this:

-(void)activateDict:(NSNumber*)dictID{

}

Then I add a action for my button:

 [aBtn addTarget:self action:@selector(activateDict) forControlEvents:UIControlEventTouchUpInside];

There is a parameter in the act开发者_开发百科ivateDict function, which is (NSNumber*)dictID, so when I add the action to button, how can I add the parameter to the function? like: action:@selector(activateDict:theDictID).

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You would normally define activateDict as activateDict: (id) sender and then make dictID an ivar of sender.