public IAsyncResult BeginGetDetails(string city, string station, bool refresh, AsyncCallback callback, object state)
{
var asyncResult = new SimpleAsyncResult <List <string> >(state);
// mimic a long running operation
var timer = new System.Timers.Timer(DelayMilliseconds);
timer.Elapsed += (_, args) =>
{
asyncResult.Result = GetDetails(city, station, refresh);
asyncResult.IsCompleted = true;
callback(asyncResult);
timer.Enabled = false;
timer.Close();
};
timer.Enabled = true;
return(asyncResult);
}
public IAsyncResult BeginGetCities(AsyncCallback callback, object state)
{
var asyncResult = new SimpleAsyncResult <string[]>(state);
// mimic a long running operation
var timer = new System.Timers.Timer(DelayMilliseconds);
timer.Elapsed += (_, args) =>
{
asyncResult.Result = GetCities();
asyncResult.IsCompleted = true;
callback(asyncResult);
timer.Enabled = false;
timer.Close();
};
timer.Enabled = true;
return(asyncResult);
}
