Autodesk 00308-011408-9F30A User Guide - Page 262

Selecting All Entities in a Drawing With a single command you can select every entity in the drawing except those on background layers and masked layers. Selecting everything is useful when you want to reposition the drawing on the page, align the entire drawing to the grid, change specific properties for the entire drawing, and so on. To select all entities in a drawing s On the Edit menu, click Select, All, or click the Select All button on the All-In-One toolbar. Using the Selection Modifier The Selection Modifier allows you to add or subtract entities from the selection set based on their properties. On the Edit menu, click Select, Modify Selection to access the Selection Modifier dialog box, or click the Selection Modifier button on the All-In-One toolbar. Using the Selection Modifier, you can select all entities on the Electrical Connections layer, all entities displayed with red dashed lines, all symbols that represent equipment purchased from a specific manufacturer, and so on. To specify the entities you want to add or subtract with the Selection Modifier, you build a selection statement. This statement describes a group of entities using qualifiers and operators. A qualifier is a phrase, such as color ='Red' or layer='Plumbing', that identifies a specific condition. An operator is a word that combines qualifiers to form a more complex qualifier. 252 | Chapter 20 Selecting & Deleting Entities