Show Usage Dialog Box Displays the items and files assigned to the category. This dialog box appears when you try to delete a category that has files or items assigned to it. Parent topicCategories (For SOLIDWORKS PDM Professional only) Parent topicCreating Revision Numbers Related tasks Creating Categories Creating Conditions for Categories Editing Categories Deleting Categories Example - Assigning Categories by File Type Example - Assigning Categories by Variable Value Related reference Category Dialog Box Condition Operators for Categories Revision Number Component Properties Dialog Box Revision Number Properties Dialog Box