private void LoadingWork(RawTile tileKey, AsyncOperation asyncOp)
{
MemoryStream ms = null;
Exception ex = null;
object taskID = tileKey as object;
bool canceled = true;
if (!TaskCanceled(taskID))
{
try
{
ms = loadProxy.GetTile(tileKey);
}
catch (Exception exception)
{
ex = exception;
}
canceled = TaskCanceled(taskID);
lock (userStateToLifetime.SyncRoot)
userStateToLifetime.Remove(asyncOp.UserSuppliedState);
}
TileLoadCompletedEventArgs e = new TileLoadCompletedEventArgs(tileKey, ms, ex, canceled, taskID);
if (--loadingTaskNum == 0)
{
//OnMapLoadCompleted(new MapLoadCompletedEventArgs());
IsLoading = false;
}
asyncOp.PostOperationCompleted(new SendOrPostCallback(OnTileLoadCompleted), e);
}
private void OnTileLoadCompleted(object state)
{
TileLoadCompletedEventArgs e = state as TileLoadCompletedEventArgs;
if (tileLoadCompleted != null)
{
tileLoadCompleted(this, e);
}
}