Just select the region and apply the staff style (Staff tool, type S for slashes r in the staff menu -> Apply staff styles -> Slashes). To select a partial measure : selection tool, click and hold outside the staff, and drag inside the staff.
Just select the region and apply the staff style (Staff tool, type S for slashes r in the staff menu -> Apply staff styles -> Slashes). To select a partial measure : selection tool, click and hold outside the staff, and drag inside the staff.