Hi everybody,

I try to implement an ActiveX component for a Windows Namespace Extension, such that the data of my server, a twisted perspective broker, can be accessed and browsed via the Windows explorer.

The challenge on writing something like this is, that once Windows asks my ActiveX component to open a folder, a file or any other object, Windows expects an immediate answer. But asking by twisted server just returns a deferred.

To emulate those synchronous calls, I could use the "deferredResult" methods from twisted.trials. But that way, I would not be able to handle parallel requests, e.g. from two or more explorers or other applications.

Does anybody know, how to emulate a synchronous call in twisted? Am I right, that using the deferredResult method causes problems with parallel requests?

I guess, the solution may be similar to the render method return server.NOT_DONE_YET solution used in web.resource and twisted.web.server.

thanks for any help on this,

Thorsten