public static void MethodOnThread(IAsyncResult ar)
{
CreateTileSourceCompleted callback = null;
Exception error = null;
ITileSource tileSource = null;
try
{
var args = (object[])ar.AsyncState;
callback = (CreateTileSourceCompleted)args[0];
var request = (HttpWebRequest)args[1];
var overrideUrl = (string)args[2];
var response = request.EndGetResponse(ar);
tileSource = CreateTileSource(response.GetResponseStream(), overrideUrl);
}
catch (Exception ex)
{
error = ex;
}
if (callback != null)
{
callback(tileSource, error);
}
}
public static void CreateTileSourceAsync(string url, CreateTileSourceCompleted callback, string overrideUrl)
{
var request = (HttpWebRequest)WebRequest.Create(new Uri(url));
request.BeginGetResponse(MethodOnThread,
new object[] { callback, request, overrideUrl });
}
public static void CreateTileSourceAsync(string url, CreateTileSourceCompleted callback, string overrideUrl)
{
var request = (HttpWebRequest)WebRequest.Create(new Uri(url));
request.BeginGetResponse(MethodOnThread,
new object[] { callback, request, overrideUrl });
}
public static void CreateTileSourceAsync(string url, CreateTileSourceCompleted callback, string overrideUrl)
{
var client = new WebClient();
client.OpenReadCompleted +=
delegate(object s, OpenReadCompletedEventArgs eventArgs)
{
if ((!eventArgs.Cancelled) && (eventArgs.Error == null))
{
var tileSource = CreateTileSource(eventArgs.Result, overrideUrl);
if (callback != null)
{
callback(tileSource, eventArgs.Error);
}
}
};
client.OpenReadAsync(new Uri(url));
}
public static void CreateTileSourceAsync(string tileMapResourceUrl, CreateTileSourceCompleted callback)
{
CreateTileSourceAsync(tileMapResourceUrl, callback, null);
}
public static void CreateTileSourceAsync(string tileMapResourceUrl, CreateTileSourceCompleted callback)
{
CreateTileSourceAsync(tileMapResourceUrl, callback, null);
}
