public static void Main()
{
///////////////////////////////////////////////
/// QUERY INTERFACE/ RT type Checking
///////////////////////////////////////////////
try
{
AirlineInfo objAirlineInfo;
IAirportFacilitiesInfo objFacilitiesInfo;
// Create a new AirlineInfo object
objAirlineInfo = new AirlineInfo();
// Invoke the GetAirlineTiming method
String strDetails = objAirlineInfo.GetAirlineTiming
(strAirline);
// QI for the IAirportFacilitiesInfo interface
objFacilitiesInfo = (IAirportFacilitiesInfo)objAirlineInfo;
//Invoke a method on the IAirportFacilitiesInfo interface
Console.WriteLine("{0}",
objFacilitiesInfo.GetInternetCafeLocations());
}
catch (InvalidCastException eCast)
{
Console.WriteLine("We got an InvalidCast Exception " +
"- Message is {0}", eCast.Message);
}
}
public static void Main()
{
///////////////////////////////////////////////
/// EARLY BINDING EXAMPLE
///////////////////////////////////////////////
String strAirline = "Air Scooby IC 5678";
String strFoodJunkieAirline = "Air Jughead TX 1234";
try
{
AirlineInfo objAirlineInfo;
// Create a new AirlineInfo Object
objAirlineInfo = new AirlineInfo();
// Display the output after calling
// the GetAirileTiming method.
Console.WriteLine("Details for Airline {0} --> {1}",
strAirline, objAirlineInfo.GetAirlineTiming(strAirline));
// ERROR: The following will result in a thrown exception!
// Console.WriteLine("Details for Airline {0} --> {1}",
// strFoodJunkieAirline,objAirlineInfo.GetAirlineTiming
// (strFoodJunkieAirline));
}
catch (COMException e)
{
Console.WriteLine("Oops- We encountered an error " +
"for Airline {0}. The Error message " +
"is : {1}. The Error code is {2}",
strFoodJunkieAirline,
e.Message, e.ErrorCode);
}
}
public AirlineInfoController(IOptions <AirlineInfo> airlineInfoWrapper)
{
this.airlineInfo = airlineInfoWrapper.Value;
}