/// <summary>
/// Methods for looking up points of interest based on a location. Points of interest could
/// be things like gas, food and lodging. Standard Industry Codes (SIC) are used to identify the type
/// of point of interest you are interested in. Some example sic codes are SICInd554 for Gas, SIC5800 for
/// Food and SICInd701 for lodging.
///
/// You must specify the datasource like NavTech.NA
///
/// </summary>
/// <param name="location">result from the FindLocation method</param>
/// <param name="POI">Entity code - like the SIC example above</param>
/// <param name="dataSource"></param>
/// <param name="searchRadius">float allowing of specify the search radius</param>
/// <returns>FindResults</returns>
public FindResults FindNearByPlaces(Location location, string POI,string dataSource, double searchRadius)
{
FindResults foundResults = null;
try
{
if (location == null)
{
throw new System.ArgumentNullException("Location cannot be null");
}
if (POI == null)
{
throw new System.ArgumentNullException("POI cannot be null");
}
if (dataSource == null)
{
throw new System.ArgumentNullException("dataSource cannot be null");
}
string POIDatasourceName = dataSource;
//string POIEntityTypeName = PointsOfInterest.GetInstance().GetPointOfInterestSICCODE(POI);
FindNearbySpecification findNearbySpec = new FindNearbySpecification();
findNearbySpec.DataSourceName = POIDatasourceName;
findNearbySpec.Distance = searchRadius; // (myViews(0).Width / 2) * 1.2
findNearbySpec.LatLong = location.LatLong;
findNearbySpec.Filter = new FindFilter();
findNearbySpec.Filter.EntityTypeName = POI;
findNearbySpec.Options = new FindOptions();
findNearbySpec.Options.Range = new FindRange();
findNearbySpec.Options.Range.Count = 99;
foundResults = theMapPointFindService.FindNearby(findNearbySpec);
// make sure NumberFound and size of results array are the same
foundResults.NumberFound = foundResults.Results.GetLength(0);
}
catch (ArgumentNullException e)
{
throw e; // rethrow for app to handle
}
catch (Exception e)
{
throw e; // rethrow for app to handle
}
return foundResults;
}
/// <remarks/>
public void FindNearbyAsync(FindNearbySpecification specification, object userState) {
if ((this.FindNearbyOperationCompleted == null)) {
this.FindNearbyOperationCompleted = new System.Threading.SendOrPostCallback(this.OnFindNearbyOperationCompleted);
}
this.InvokeAsync("FindNearby", new object[] {
specification}, this.FindNearbyOperationCompleted, userState);
}
/// <remarks/>
public System.IAsyncResult BeginFindNearby(FindNearbySpecification specification, System.AsyncCallback callback, object asyncState) {
return this.BeginInvoke("FindNearby", new object[] {
specification}, callback, asyncState);
}
/// <remarks/>
public void FindNearbyAsync(FindNearbySpecification specification) {
this.FindNearbyAsync(specification, null);
}
public FindResults FindNearby(FindNearbySpecification specification) {
object[] results = this.Invoke("FindNearby", new object[] {
specification});
return ((FindResults)(results[0]));
}