public delegate void PointCB(
	SoCallbackAction action,
	out SoPrimitiveVertex v
)

Public Delegate Sub PointCB ( 
	action As SoCallbackAction,
	<OutAttribute> ByRef v As SoPrimitiveVertex
)

public delegate void PointCB(
	SoCallbackAction^ action, 
	[InAttribute] [OutAttribute] SoPrimitiveVertex% v
)

type PointCB = 
    delegate of 
        action : SoCallbackAction * 
        v : SoPrimitiveVertex byref -> unit