void locator_FindCompleted(object sender, LocatorFindEventArgs e)
{
GraphicsLayer graphicsLayer = (MyMap.Layers["MyRouteGraphicsLayer"] as GraphicsLayer);
if (e.Result != null)
{
LocatorFindResult findResult = e.Result;
Graphic graphicLocation = findResult.Locations[0].Graphic;
graphicLocation.Geometry.SpatialReference = MyMap.SpatialReference;
graphicLocation.Attributes.Add("name", findResult.Locations[0].Name);
_stops.Add(graphicLocation);
if ((string)e.UserState == "from")
{
graphicLocation.Symbol = LayoutRoot.Resources["FromSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol;
//Geocode to address
_locator.FindAsync(ParseSearchText(ToTextBox.Text), "to");
}
else
{
graphicLocation.Symbol = LayoutRoot.Resources["ToSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol;
//Get route between from and to
_routeParams.OutSpatialReference = MyMap.SpatialReference;
_routeTask.SolveAsync(_routeParams);
}
graphicsLayer.Graphics.Add(graphicLocation);
}
}
private void GetDirections_Click(object sender, RoutedEventArgs e)
{
//Reset
DirectionsStackPanel.Children.Clear();
_stops.Clear();
(MyMap.Layers["MyRouteGraphicsLayer"] as GraphicsLayer).Graphics.Clear();
_locator.CancelAsync();
_routeTask.CancelAsync();
//Geocode from address
_locator.FindAsync(ParseSearchText(FromTextBox.Text), "from");
}
private void FindButton_Click(object sender, RoutedEventArgs e)
{
MyInfoWindow.IsOpen = false;
FindResultLocationsGraphicsLayer.Graphics.Clear();
// If locator already processing a request, cancel it. Note, the request is not cancelled on the server.
if (_locatorTask.IsBusy)
{
_locatorTask.CancelAsync();
}
// If search text is empty, return
if (string.IsNullOrEmpty(SearchTextBox.Text))
{
return;
}
// In this sample, the center of the map is used as the location from which results will be ranked and distance calculated.
// The distance from the location is optional. Specifies the radius of an area around a point location which is used to boost
// the rank of geocoding candidates so that candidates closest to the location are returned first. The distance value is in meters.
LocatorFindParameters locatorFindParams = new LocatorFindParameters()
{
Text = SearchTextBox.Text,
Location = MyMap.Extent.GetCenter(),
Distance = MyMap.Extent.Width / 2,
MaxLocations = 5,
OutSpatialReference = MyMap.SpatialReference
};
locatorFindParams.OutFields.AddRange(new string[] { "PlaceName", "City", "Region", "Country", "Score", "Distance", "Type" });
_locatorTask.FindAsync(locatorFindParams);
}
private void FindButton_Click(object sender, RoutedEventArgs e)
{
if (string.IsNullOrEmpty(SearchTextBox.Text))
{
return;
}
// Clear existing graphics for a new search
FindResultLocationsGraphicsLayer.Graphics.Clear();
MyLocationGraphicsLayer.Graphics.Clear();
MyRoutesGraphicsLayer.Graphics.Clear();
// Initialize the LocatorTask with the Esri World Geocoding Service
var locatorTask = new Locator("http://geocode.arcgis.com/arcgis/rest/services/World/GeocodeServer");
// In this sample, the center of the map is used as the location from which results will be ranked and distance calculated.
// The distance from the location is optional. Specifies the radius of an area around a point location which is used to boost
// the rank of geocoding candidates so that candidates closest to the location are returned first. The distance value is in meters.
LocatorFindParameters locatorFindParams = new LocatorFindParameters()
{
Text = SearchTextBox.Text,
Location = MyMap.Extent.GetCenter(),
Distance = MyMap.Extent.Width / 2,
MaxLocations = 5,
OutSpatialReference = MyMap.SpatialReference,
SearchExtent = MyMap.Extent
};
locatorFindParams.OutFields.AddRange(new string[] { "PlaceName", "City", "Region", "Country", "Score", "Distance", "Type" });
locatorTask.FindCompleted += (s, ee) =>
{
// When a Find operation is initiated, get the find results and add to a graphics layer for display in the map
LocatorFindResult locatorFindResult = ee.Result;
foreach (Location location in locatorFindResult.Locations)
{
// Make sure results have the right spatial reference
location.Graphic.Geometry.SpatialReference = MyMap.SpatialReference;
FindResultLocationsGraphicsLayer.Graphics.Add(location.Graphic);
}
};
locatorTask.Failed += (s, ee) =>
{
MessageBox.Show("Locator service failed: " + ee.Error);
};
locatorTask.FindAsync(locatorFindParams);
}
private void FindButton_Click(object sender, RoutedEventArgs e)
{
if (string.IsNullOrEmpty(SearchTextBox.Text))
return;
// Clear existing graphics for a new search
FindResultLocationsGraphicsLayer.Graphics.Clear();
MyLocationGraphicsLayer.Graphics.Clear();
MyRoutesGraphicsLayer.Graphics.Clear();
// Initialize the LocatorTask with the Esri World Geocoding Service
var locatorTask = new Locator("http://geocode.arcgis.com/arcgis/rest/services/World/GeocodeServer");
// In this sample, the center of the map is used as the location from which results will be ranked and distance calculated.
// The distance from the location is optional. Specifies the radius of an area around a point location which is used to boost
// the rank of geocoding candidates so that candidates closest to the location are returned first. The distance value is in meters.
LocatorFindParameters locatorFindParams = new LocatorFindParameters()
{
Text = SearchTextBox.Text,
Location = MyMap.Extent.GetCenter(),
Distance = MyMap.Extent.Width / 2,
MaxLocations = 5,
OutSpatialReference = MyMap.SpatialReference,
SearchExtent = MyMap.Extent
};
locatorFindParams.OutFields.AddRange(new string[] { "PlaceName", "City", "Region", "Country", "Score", "Distance", "Type" });
locatorTask.FindCompleted += (s, ee) =>
{
// When a Find operation is initiated, get the find results and add to a graphics layer for display in the map
LocatorFindResult locatorFindResult = ee.Result;
foreach (Location location in locatorFindResult.Locations)
{
// Make sure results have the right spatial reference
location.Graphic.Geometry.SpatialReference = MyMap.SpatialReference;
FindResultLocationsGraphicsLayer.Graphics.Add(location.Graphic);
}
};
locatorTask.Failed += (s, ee) =>
{
MessageBox.Show("Locator service failed: " + ee.Error);
};
locatorTask.FindAsync(locatorFindParams);
}
private void FindLocationsWithSearchText(string searchText)
{
if(MyMap == null) return;
EnableSearchMenuItem(false);
EnableDirectionsButton(false);
UpdateLayer("HighlightLayer", true, false);
UpdateLayer("DestinationLayer", true, false);
var l = UpdateLayer("FindResultsLayer", true, true);
#region Locator - Finds nearest business and triggers reverse geocode to get addresses for locations
var locator = new Locator(GEOCODE_URL);
locator.FindCompleted += (s, e) =>
{
MyProgressBar.IsIndeterminate = false;
var locations = e.Result.Locations;
if (locations.Count > 0)
{
UpdateSearchResultsPanel(locations);
GetAddressesOfLocations(l.Graphics); // Reverse geocode locations
}
else
MessageBox.Show(string.Format("No locations found for '{0}'", searchText));
};
locator.Failed += (s, e) =>
{
MyProgressBar.IsIndeterminate = false;
MessageBox.Show(string.Format("Find '{0}' failed with error '{1}'", SearchFieldTb.Text.Trim(), e.Error.Message));
ShowElement(MyMap);
};
MyProgressBar.IsIndeterminate = true;
locator.FindAsync(new LocatorFindParameters()
{
Text = searchText,
OutSpatialReference = MyMap.SpatialReference,
SearchExtent = MyMap.Extent,
Location = (MyMap.Layers["MyGpsLayer"] as GpsLayer).Position,
Distance = DISTANCE,
MaxLocations = MAX_RESULTS
});
#endregion
}
