set-arrowhead-params in graph-pasteboard<%>

• (send a-graph-pasteboard set-arrowhead-params angle-width short-side long-size) -> void
     angle-width : number
     short-side : number
     long-size : number

  Sets drawing parameters for the arrowhead. The first is the angle of the arrowhead's point, in radians. The second is the length of the outside line of the arrowhead and the last is the distance from the arrowhead's point to the place where the arrowhead comes together.