public void handleZoom(V3d_View theView, Aspect_ScrollDelta theParams, gp_Pnt thePnt)
 {
     throw new NotImplementedException();
 }
 public void handleZFocusScroll(V3d_View theView, Aspect_ScrollDelta theParams)
 {
     throw new NotImplementedException();
 }
 public bool UpdateMouseScroll(Aspect_ScrollDelta theDelta)
 {
     throw new NotImplementedException();
 }