Determines whether the Model tab or the most-recently accessed named layout tab is active.
| Type: | Integer | 
| Saved in: | Drawing | 
| Initial value: | 1 | 
|  
			  Value  | 
 
			  Description  | 
|---|---|
|  
			  0  | 
 
			  A named layout tab is active or sets the most-recently accessed named layout current  | 
|  
			  1  | 
 
			  Model tab is active or sets the tab active  |