// If failed, returns null.
private MultiMap <string, Navaid> TryLoadNavaids()
{
try
{
var dir = pathTxtBox.Text;
return(NavaidsLoader.LoadFromFile(Path.Combine(dir, "navaids.txt")));
}
catch (Exception ex)
{
Log(ex);
this.ShowError("Failed to load navaids.txt.");
return(null);
}
}
/// <exception cref="Exception"></exception>
private void InitAirportAndWaypoints()
{
string navDataPath = AppSettings.NavDataLocation;
var airportTxtPath = Path.Combine(navDataPath, "Airports.txt");
var airportResult = AirportDataLoader.LoadFromFile(airportTxtPath);
var err = airportResult.Errors;
if (err.Any())
{
Log(ReadFileErrorMsg.ErrorMsg(err, "ats.txt"));
}
var airports = airportResult.Airports;
var result = new WptListLoader(navDataPath).LoadFromFile();
countryCodesLocator = result.CountryCodes.ToLocator();
var navaids = NavaidsLoader.LoadFromFile(Path.Combine(navDataPath, "navaids.txt"));
airwayNetwork = new AirwayNetwork(result.WptList, airports, navaids);
}