/// <summary>
/// Do a search for the contents of the specified URL
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
public static CandidateResponse SearchFor(string text, int numResults = 2)
{
WebClient wc = new WebClient();
wc.Headers.Add("user-agent", "GeocodeExample");
wc.Headers.Add("referer", "GeocodeExample");
wc.Encoding = System.Text.Encoding.UTF8;
CandidateResponse geocodeResult = null;
using (StreamReader sr = new StreamReader(wc.OpenRead(new UCSamples.Geocode.GeocodeURI(text, numResults).Uri),
System.Text.Encoding.UTF8, true)) {
string response = sr.ReadToEnd();
if (ResponseIsError(response))
{
//throw
throw new System.ApplicationException(response);
}
geocodeResult = ObjectSerialization.JsonToObject <CandidateResponse>(response);
}
return(geocodeResult);
}
private async void Button_Click(object sender, RoutedEventArgs e)
{
// get the current module to access helper method
ForTheUcModule module = ForTheUcModule.Current;
// remove any existing graphics
MapView mapView = ForTheUcModule.ActiveMapView;
GeocodeUtils.RemoveFromMapOverlay(mapView);
try
{
// initiate the search
CandidateResponse results = GeocodeUtils.SearchFor(this.SearchText.Text, 1);
if (results.OrderedResults.Count > 0)
{
// add a point graphic overlay
GeocodeUtils.UpdateMapOverlay(results.OrderedResults[0].ToPointN(), mapView);
// zoom to the location
await GeocodeUtils.ZoomToLocation(results.OrderedResults[0].Extent);
// add the search results to the dialog window
this.LastSearch.Text = string.Format("Last Match: {0}", results.OrderedResults[0].CandidateDetails);
}
else
{
ArcGIS.Desktop.Internal.Framework.DialogManager.ShowMessageBox(
string.Format("No results returned for {0}", this.SearchText.Text), "GeocodeExample");
}
}
catch (Exception ex)
{
string errorName = "Search Error";
System.Diagnostics.Trace.WriteLine(string.Format("{0}: {1}", errorName, ex.ToString()));
ArcGIS.Desktop.Internal.Framework.DialogManager.ShowMessageBox(errorName, this.SearchText.Text);
}
}
