ATTR_PRIMARY_MONITOR
| Type: | System attribute | 
| Description: | The monitor ID for the primary monitor as determined by the system. | 
| Restrictions: | Not settable. | 
| Data Type: | integer | 
| LabWindows/CVI Compatibility:  | 
LabWindows/CVI 5.5 and later | 
| Type: | System attribute | 
| Description: | The monitor ID for the primary monitor as determined by the system. | 
| Restrictions: | Not settable. | 
| Data Type: | integer | 
| LabWindows/CVI Compatibility:  | 
LabWindows/CVI 5.5 and later |