list of components in features..

This are the list of components in the features:

• Products property- is a read-only property that returns a string list object enumerating the set of all products installed or advertised for the current user and machine.
•  features property-is a read-only property that returns a string list object enumerating the set of published features for the specified product.
• feature Parent property -specifies the parent feature of a feature. An empty string for this property indicates the feature has no parent and is a root item.
•  feature state property-returns the installed state of a feature.
• Components property-returns a String List  object enumerating the set of installed components for all products.
•  Component clients property-object enumerating the set of clients of a specified component.
• Component path property-is a read-only property that returns the full path to an installed component. If the key path for the component is a registry key then the registry key is returned.  
• Last error record Method-the installer object returns an record object that contains error parameters for the most recent error from the function that produced the error record. 
• Registry value method-the installer object reads information about a specified registry key of value. If the key or value specified does not exist, the method returns an error of 9, "Subscript out of Range."