Selector with argument

I have a method like this:

- (void)methodWithParameter:(id)parameter {


}

and I want to call it using an UIBarButtonItem

barButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAction target:self action:@selector(methodWithParameter:)];

I want to specify the parameter but I can't use withObject: after action: because I get a warning:

No -initWithBa开发者_如何学GorButtonSystemItem:target:action:withObject: method found

can anybody help me with this?

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It doesn't work that way. You cannot pass a parameter to an action. An action method will always have either:

• no arguments at all,
• one argument (id)sender,
• or two arguments (id)sender and (UIEvent *)event.