To Show or Hide Items by Object Type in the Design Objects Tree
1. To expand the Design Objects Tree, with the Flexible Modeling tab open, click 
in front of 
Design Objects Tree.
in front of Design Objects Tree.2. Click 
Tree Filters . The Design Objects Tree Items dialog box opens.
Tree Filters . The Design Objects Tree Items dialog box opens.3. Select the object types to show or hide in the Design Objects Tree:
◦ To show an object type, select the check box next to the type.
◦ To hide an object type, clear the check box next to the type.
◦ To show all object types, click 
.
.◦ To hide all object types, click 
.
.4. Click OK. The Design Objects Tree Items dialog box closes.