static void Main() { try { Assembly.Load("SlimDX, Version=4.0.13.43, Culture=neutral, PublicKeyToken=b1b0c32fd1ffe4f9"); } catch { MessageBox.Show("SlimDX(4.0.13.43) not installed." + "Please download it from http://slimdx.org.", "Error!"); return; } try { Assembly.Load("BulletSharp"); } catch (Exception e) { MessageBox.Show(e.ToString(), "BulletSharp Error!"); return; } SimplestDemo game = new SimplestDemo(); game.Dispose(); }