Use this procedure to define the layer, color, and linetype of the material components. 
Note: If you turn off a display component in the material definition, object components assigned that material definition do not display in the drawing. For example, if you turn off the Linework component in a material definition, and assign that definition to a door frame component, the door frame does not display in plan views. 
-  Click 

. 
 The Style Manager is displayed with the current drawing expanded in the tree view. 
  
- Expand Multi-Purpose Objects, and expand Material Definitions. 
 
- Select the material definition you want to change. 
 
- Click the Display Properties tab. 
 
- Select the display representation where you want the changes to appear, and verify that Style Override is checked. 
The display representation in bold is the current display representation. 
  
- If necessary, click 
.  
- Click the Layer/Color/Linetype tab. 
 
- Select the component to change, and select a different setting for the property. 
 
- Click OK.