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);