public AcadArc AddArc(object vvarCenter, object vvarRadius, object vvarStartAngle, object vvarEndAngle, string nvstrHandle = "") { return(mobjAcadBlock.AddArc(RuntimeHelpers.GetObjectValue(vvarCenter), RuntimeHelpers.GetObjectValue(vvarRadius), RuntimeHelpers.GetObjectValue(vvarStartAngle), RuntimeHelpers.GetObjectValue(vvarEndAngle), nvstrHandle)); }