/// <summary>
/// async method to send query to bing
/// </summary>
/// <param name="queryToSearch">pass query related info to bing</param>
/// <returns></returns>
private async Task QuerySearch(QueryToSearch queryToSearch)
{
await Task.Run(() =>
{
//Fire event when search is about to start
FireQuerySearchStartingEventAsync(queryToSearch);
var searchedQuery = new SearchedQuery(queryToSearch.Query);
try
{
DataServiceQuery<ExpandableSearchResult> result = base.Composite("web", queryToSearch.Query,
null, null, null, null, null,
null, null, null, null, null,
null, null, null);
IEnumerable<ExpandableSearchResult> webResults = result.Execute();
foreach (ExpandableSearchResult r in webResults)
{
searchedQuery.Result.Add(new QueryResult {ID = r.ID, WebTotal = r.WebTotal});
}
}
catch (Exception ex)
{
searchedQuery.Exception = ex;
FireQuerySearchExceptionEventAsync(searchedQuery);
}
FireQuerySearchCompletedEventAsync(searchedQuery);
});
}
public QuerySearchStartingArgs(QueryToSearch queryToSearch)
{
if (queryToSearch == null)
throw new ArgumentNullException("queryToSearch");
QueryToSearch = queryToSearch;
}
private void FireQuerySearchStartingEventAsync(QueryToSearch queryToSearch)
{
OnQuerySearchStartingAsync(new QuerySearchStartingArgs(queryToSearch));
}