Specifies whether the size of 2D wireframe thumbnail preview is controlled by THUMBSIZE sysvar. If turned off, previews of drawings using the 2D wireframe visual styles are set to a display resolution of 256 x 256 pixels.
| Type: | Integer | 
| Saved in: | Registry | 
| Initial value: | 0 | 
|  
			  Value  | 
 
			  Description  | 
|---|---|
|  
			  0  | 
 
			  All thumbnail previews will have a maximum size of 256 pixels. This is the default value.  | 
|  
			  1  | 
 
			  All thumbnail previews for 2D visual styles are controlled by the 
				THUMBSIZE sysvar. 
				 
 
		  Note: You can set this value from the Thumbnail Preview Settings dialog under Named views group as well. 
				 
 
			  |