var grips = new GripDataCollection();
GripDataCollection updateGrip = new GripDataCollection();
double curViewUnitSize = 0;
int gripSize = 0;
Vector3d curViewDir = acEditor.GetCurrentView().ViewDirection;
GetGripPointsFlags bitFlags = GetGripPointsFlags.GripPointsOnly;
blockReference.GetGripPoints(grips, curViewUnitSize, gripSize, curViewDir, bitFlags);
foreach (var item in grips)
{
}