You can view a hierarchic listing of all the classes in your project, including classes defined in your source files or in the frameworks your project uses.
To view the hierarchy of your project's classes:
To view the instance variables and methods for a class:
If you cannot see your class's name in the browser, trace the class's inheritance chain, starting from its root class (usually NSObject or java.lang.Object). You can also type its name in the Select Class field or turn on Show All Classes.
To view the source code for a variable or method:
To view the documentation for a variable or method:
If there is no book icon beside a name, there's no documentation on that item.
To view all the variables and methods for a class, including inherited ones:
The Class Browser lists all variable and method names alphabetically. To find which class declares a specific variable or method, look above the variable or method name until you see an underlined class name. You may need to scroll the list.
If the Show Inherited option is off, the Class Browser displays only variables and methods the selected class defines or declares.