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[scriptable, uuid(2c7462e2-72c2-4473-9007-0e6ae71e23ca)]

  
interface extIPreference : nsISupports







  
    
Attributes

    

  
      

        
 The preference branch that contains this preference.


        


  
  readonly attribute
  extIPreferenceBranch
  branch


      

  

  
      

        
 The events object for this preference.
 supports: "change"


        


  
  readonly attribute
  extIEvents
  events


      

  

  
      

        
 Get the locked state of the preference. Set to a boolean value to (un)lock it.


        


  
  attribute
  boolean
  locked


      

  

  
      

        
 Check if a preference has been modified by the user, or not.


        


  
  readonly attribute
  boolean
  modified


      

  

  
      

        
 Interface for accessing a single preference. The data is not cached.
 All reads access the current state of the preference.


 The name of the preference.


        


  
  readonly attribute
  AString
  name


      

  

  
      

        
 A string representing the type of preference (String, Boolean, or Number).


        


  
  readonly attribute
  AString
  type


      

  

  
      

        
 Get/Set the value of the preference.


        


  
  attribute
  nsIVariant
  value


      

  
    

  


  
    
Methods

    

  
      

        
 Resets a preference back to its default values.


        


  
  void
  reset()