Icon Services gives you several ways to modify the icon data used by Icon Services. You can add icon data to the Icon Services cache by
registering icon data with the functions RegisterIconRefFromIconFamily or RegisterIconRefFromIconFile. You can also release registered data by using the function UnregisterIconRef. You can
override existing data in an IconRef
and replace it with custom data by using the functions OverrideIconRef or OverrideIconRefFromResource. You can also
restore the original data in an IconRef
by using the function RemoveIconOverride.
Obtaining and Using Icons With Icon Services
