private void LoadWorldandRender() { var ofd = new OpenFileDialog(); ofd.Filter = "Terrarial World File|*.wld|Terraria World Backup|*.bak|TEdit Backup File|*.TEdit"; ofd.DefaultExt = "Terrarial World File|*.wld"; ofd.Title = "Import Schematic File"; ofd.InitialDirectory = System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), @"My Games\Terraria\Worlds"); ofd.Multiselect = false; if ((bool)ofd.ShowDialog()) { if (!_texturesLoaded) { WorldSettings.FindSteam(); // needs to be done with the current thread Task.Factory .StartNew(() => LoadWorld(ofd.FileName)) .ContinueWith(j => { _texturesLoaded = _renderer.LoadGameData(); }) .ContinueWith(k => RenderWorldTask()) .ContinueWith(l => RenderWorldFinish(l.Result), _uiScheduler); // required to be non-async } else { Task.Factory .StartNew(() => LoadWorld(ofd.FileName)) .ContinueWith(k => RenderWorldTask()) .ContinueWith(l => RenderWorldFinish(l.Result), _uiScheduler); // required to be non-async } } }