/// <summary>
/// получение данных геолокации в асинхронном режиме
/// </summary>
/// <param name="searchQuery"></param>
/// <param name="completeAction"></param>
public void GetAvialableGeoLocationsAsync(string searchQuery, Action <IEnumerable <GeoLocationBase>, Exception> completeAction)
{
if (this._contentWebClient != null)
{
return;
}
this._contentWebClient = new OsmGeoLocationsInfoClient(this.prepareSearchUrl(searchQuery), completeAction);
this._contentWebClient.DownloadXmlAsyncUtf8();
this._contentWebClient.DownloadStringCompleted += cwc_DownloadStringCompleted;
}
/// <summary>
/// обработка получения данных геолокации в асинх режиме
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void cwc_DownloadStringCompleted(object sender, System.Net.DownloadStringCompletedEventArgs e)
{
OsmGeoLocationsInfoClient osmGeoClient = sender as OsmGeoLocationsInfoClient;
try {
if (!e.Cancelled)
{
string xml = e.Result;
//парсим данные
IEnumerable <GeoLocationBase> geoLocations = this._geoParser.ParseXmlGeoData(xml);
osmGeoClient.CompleteAction(geoLocations, null);
}
}
catch (Exception ex) {
osmGeoClient.CompleteAction(null, ex);
}
finally {
osmGeoClient.Dispose();
this._contentWebClient = null;
}
// return geoLocations.Cast<T>();
}
