public void GetMapViewRadius_Test()
{
double MapZoomLevel = 10;
double MaxMapViewRadius = 400;
double expected = 30574.609375;
MapViewRadius mvr = new MapViewRadius();
double actual = mvr.GetMapViewRadius(MapZoomLevel, MaxMapViewRadius);
Assert.AreEqual(expected, actual);
}
private void map_ZoomLevelChanged(MapControl sender, object args)
{
//Get Map View Radius
MapViewRadius mvr = new MapViewRadius();
radius = Convert.ToInt32(mvr.GetMapViewRadius(map.ZoomLevel, map.ActualHeight));
//Depenting on map view radius set the search radius
//limit of Foursquare API: 100km search radius
if (radius > 100000)
{
if (searchIsAvailable) errorMsgShow.Begin();
searchIsAvailable = false;
}
else
{
if (!searchIsAvailable) errorMsgHide.Begin();
searchIsAvailable = true;
}
}