When hatching a small area in a large, complex drawing, you can save time by selecting a smaller set of objects in the drawing to be used in determining the hatch boundary. 
-  Click 
	 . 
	 
 
   
- In the Hatch and Gradient dialog box, Boundaries panel, Click Add: Pick points to mark the new boundary. 
  
 
- Or, Click Add: Select objects to select the objects to be considered for the hatch and press Enter. 
	 
Selecting the objects with a 
		crossing window is often the best method. 
	 
 
   
- Specify a point inside each area that you want hatched. 
  
 
- Click OK to apply the hatch and exit the command.