public static route getRoute(point from, point to) { route r = new route(); r.duration = r.distance = 0; modifiedRoute mr = new modifiedRoute(); mr.from = from; mr.to = to; Task t = Task.Factory.StartNew(delegate { Amap.getRoute(ref mr); }); try { t.Wait(500); if (t.IsCompleted) { r.distance = mr.distance; r.duration = mr.duration; } } catch (Exception) { return(r); } finally { GC.Collect(); } return(r); }
public static extern void getRoute(ref modifiedRoute r);