NSObject(ObjCRuntime) Category Reference

NSObject <objc/runtime.h> extensions. More...

#import <NSObject.h>

Instance Methods
performSelector
(id)	- performSelector:withObject:withObject:withObject:
	Invokes a method of the receiver with 3 parameter. More...
(id)	- performSelector:withObject:withObject:withObject:withObject:
	Invokes a method of the receiver with 4 parameter. More...
Associative References
(id)	- associatedObjectForKey:
	Returns the value associated with a given object for a given key. More...
(void)	- setAssociatedObject:forKey:
	Sets an associated value for a given object using a given key. Association policy is retain. More...
(void)	- setAssociatedObject:forKey:policy:
	Sets an associated value for a given object using a given key and association policy. More...
(void)	- removeAssociatedObjectForKey:
	Removes all associations for a given object. Association policy is retain. More...
(void)	- removeAssociatedObjectForKey:policy:
	Removes all associations for a given object. More...

Properties
NSString *	className
	Class name of object. More...

Detailed Description

NSObject <objc/runtime.h> extensions.

Method Documentation

- (id) associatedObjectForKey:

(void *)

key

Returns the value associated with a given object for a given key.

Parameters

object	The source object for the association.
key	The key for the association.

Returns

The value associated with the key key for object.

See also

objc_getAssociatedObject

- (id) performSelector:		(SEL)	sel
withObject:		(id)	obj1
withObject:		(id)	obj2
withObject:		(id)	obj3

Invokes a method of the receiver with 3 parameter.

Parameters

sel	A selector that identifies the method to invoke. The method should take 3 argument of type id.
obj1	a parameter
obj2	a parameter
obj3	a parameter

See also

performSelector:withObject:

performSelector:withObject:withObject:

performSelector:withObject:withObject:withObject:withObject:

- (id) performSelector:		(SEL)	sel
withObject:		(id)	obj1
withObject:		(id)	obj2
withObject:		(id)	obj3
withObject:		(id)	obj4

Invokes a method of the receiver with 4 parameter.

Parameters

sel	A selector that identifies the method to invoke. The method should take 4 argument of type id.
obj1	a parameter
obj2	a parameter
obj3	a parameter
obj4	a parameter

See also

performSelector:withObject:

performSelector:withObject:withObject:

performSelector:withObject:withObject:withObject:

- (void) removeAssociatedObjectForKey:

(void *)

key

Removes all associations for a given object. Association policy is retain.

Parameters

object

The source object for the association.

setAssociatedObject:nil forKey:key

See also

objc_setAssociatedObject

- (void) removeAssociatedObjectForKey:		(void *)	key
policy:		(objc_AssociationPolicy)	policy

Removes all associations for a given object.

Parameters

object	The source object for the association.
policy	The policy for the association. For possible values, see Associative Object Behaviors.

setAssociatedObject:nil forKey:key policy:policy

See also

objc_setAssociatedObject

- (void) setAssociatedObject:		(id)	object
forKey:		(void *)	key

Sets an associated value for a given object using a given key. Association policy is retain.

Parameters

object	The source object for the association.
key	The key for the association.
value	The value to associate with the key key for object. Pass nil to clear an existing association.

See also

objc_setAssociatedObject

- (void) setAssociatedObject:		(id)	object
forKey:		(void *)	key
policy:		(objc_AssociationPolicy)	policy

Sets an associated value for a given object using a given key and association policy.

Parameters

object	The source object for the association.
key	The key for the association.
value	The value to associate with the key key for object. Pass nil to clear an existing association.
policy	The policy for the association. For possible values, see Associative Object Behaviors.

See also

objc_setAssociatedObject

Property Documentation

- (NSString*) className

readnonatomicassign

Class name of object.

See also

object_getClassName

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The documentation for this category was generated from the following file:

• FoundationExtension/NSObject.h