Barb added an Application Layout control to the ccAppLayout custom control she is developing. What must Barb do to enable all of the editable areas in the Application Layout control for use on the XPages where she will add the ccAppLayout custom control? 

Nothing. All editable areas are enabled by default. 

Into each editable area she needs to add an Editable Area control. 

She must set the enableEditableAreas property of the configuration to "true". 

She must set the enableEditableAreas property of the applicationLayout to "true".