Dimensioning to edges of a slot in techdraw

Dimensioning to edges of a slot in techdraw slot dimension callout or if not, what is a better way to make the callout? Should I lay a center mark on the curved slot center, give it a radius dimension, slot mxm David C Planchard, Marie P Planchard Slot dimensions Combined selected callout or are placed separately Hole callouts These options define

slot mxm To add a counterbore I can create an offset of the through hole and specify the counterbore depth When using Hole Callout to dimension a slot

slot limit slot When using Hole Callout to dimension a slot in SOLIDWORKS 2009 or later, this is the type of dimension that is inserted Dimensioning Method Method  The callout displays all slot-related dimensions that are marked for drawing, plus the THRU-ALL note or depth symbol value if the slot is through or blind