processador de pré-visualização(A handler that displays a lightweight, read-only preview of a file's contents without launching the application associated with the file. For example, a preview handler displays a Shell item in the Windows Explorer preview pane)
manipulador de visualização(A handler that displays a lightweight, read-only preview of a file's contents without launching the application associated with the file. For example, a preview handler displays a Shell item in the Windows Explorer preview pane)
