Exemplo n.º 1
0
        public LiveModel(Configuration config, FactoryContext factoryContext) : base(BindConstructorArguments(config, factoryContext), new Delete <LiveModel>(NativeMethods.DeleteLiveModel))
        {
            this.managedErrorCallback = new NativeMethods.managed_background_error_callback_t(this.WrapStatusAndRaiseBackgroundError);

            // DangerousGetHandle here is trivially safe, because .Dispose() cannot be called before the object is
            // constructed.
            NativeMethods.LiveModelSetCallback(this.DangerousGetHandle(), this.managedErrorCallback);

            this.managedTraceCallback = new NativeMethods.managed_trace_callback_t(this.SendTrace);
        }
Exemplo n.º 2
0
        private static New <LiveModel> BindConstructorArguments(Configuration config, FactoryContext factoryContext)
        {
            return(new New <LiveModel>(() =>
            {
                factoryContext = factoryContext ?? new FactoryContext();
                IntPtr result = NativeMethods.CreateLiveModel(config.DangerousGetHandle(), factoryContext.DangerousGetHandle());

                // These references do not live on the heap in this delegate, and could disappear during the invocation
                // of CreateLiveModel. Thus, we need to ensure GC knows not to release them until after that call
                // returns.
                GC.KeepAlive(config);
                GC.KeepAlive(factoryContext);

                return result;
            }));
        }