For example, you may want to modify the ICONS used by the check boxes and radio buttons to paint their status, or you may want to use other ICONS to paint the folders and nodes of a tree component.

Release when the file end, virus revises the relevant data in registering a watch, those who make derive from personal file is suffixal conceal, change folder icon to oneself.

By default, the overlay icon for a folder will indicate "modified" if any of the files in the folder are modified.