To display hidden objects in the object list:
•Select the option View[Object List] > Show Hidden Objects.
To hide or show objects again:
1.Select the objects in the object list.
2.Right-click with your mouse on the selection and in the context menu select or deselect the option Hidden.
To hide or show an object and all linked objects:
•Right-click with your mouse on the object in the Object Hierarchy window and in the context menu select or deselect the option Hidden.
To hide or show all objects in a folder:
1.In the Folders window, right-click with your mouse on the folder and in the context menu select or deselect the option Hidden.
2.In the dialog box that now appears, specify whether the attribute should be changed for the folder itself or for all the objects and subfolders within it.