mapFrame.ZoomToView(xLoc, yLoc, newScale, true);
parent.mapFrame.ZoomToView(xLoc, yLoc, newScale, true);
parent.parent.mapFrame.ZoomToView(xLoc, yLoc, newScale, true);
Many Viewer API calls will generate requests to the site server, either to refresh data in the Viewer or to notify the site server of a change in Viewer state. These requests are generated automatically.