public void Dispose()
{
if (!isDisposing && !v8.IsDisposed)
{
isDisposing = true;
ExecuteGlobalScriptFunction("shutdown");
// SHUTDOWN all scripts
GC.WaitForPendingFinalizers();
GC.Collect();
v8.ForceV8GarbageCollection();
v8.Dispose();
// Notify engine that we have terminated
OnShutdown();
}
}