internal void CreateFeedback(IPoint point, IActiveView av)
{
ResetFeedback();
feedback = new NewLineFeedback();
var geoFeedback = feedback as IGeodeticLineFeedback;
geoFeedback.GeodeticConstructionMethod = GetEsriGeodeticType();
geoFeedback.UseGeodeticConstruction = true;
geoFeedback.SpatialReference = point.SpatialReference;
var displayFB = feedback as IDisplayFeedback;
displayFB.Display = av.ScreenDisplay;
}
/// <summary>