PICKAUTO system variable
Selection window behavior
Controls the selection behavior - window and lasso - used to select multiple entities at the same time.
See also the PICKDRAG system variable.
-7 to 7
Negative: No window selection, saving earlier value
0: No window selection
1: Window selection, pick the first and last point, if the cursor does not start above an entity
2: Window selection, for click and drag, if the cursor starts above an entity
4: Lasso selection, for click and drag, if the cursor does not start above an entity