protected virtual IAsyncResult OnBeginExecute(AsyncCallback callback, object state)
{
LoadTempData();
try
{
string actionName = RouteData.GetRequiredValue <string>("action");
IActionExecutor executor = ActionExecutor;
IAsyncActionExecutor asyncExecutor = (executor as IAsyncActionExecutor);
if (asyncExecutor != null)
{
BeginInvokeDelegate beginDelegate = delegate(AsyncCallback asyncCallback, object asyncState) {
return(asyncExecutor.BeginInvokeAction(Context, actionName, asyncCallback, asyncState, new ValueDictionary()));
};
EndInvokeDelegate endDelegate = delegate(IAsyncResult asyncResult) {
if (!asyncExecutor.EndInvokeAction(asyncResult))
{
HandleUnknownAction(actionName);
}
};
return(AsyncResultWrapper.Begin(callback, state, beginDelegate, endDelegate, _tag));
}
else
{
Action action = () => {
if (!executor.InvokeAction(Context, actionName, null))
{
HandleUnknownAction(actionName);
}
};
return(AsyncResultWrapper.BeginSynchronous(callback, state, action, _tag));
}
}
catch
{
SaveTempData();
throw;
}
}