Cocoa in a Nutshell

Name

NSMethodSignature — Mac OS X 10.0

Synopsis

This class provides an interface used to query information about a method including such characteristics as the number and types of arguments, and the return type. Instances of NSMethodSignature are created using NSObject’s methodSignature-ForSelector: method.

@interface NSMethodSignature : NSObject

// Instance Methods

- (unsigned)frameLength;

- (const char *)getArgumentTypeAtIndex:(unsigned)index;

- (BOOL)isOneway;

- (unsigned)methodReturnLength;

- (const char *)methodReturnType;

- (unsigned)numberOfArguments;