Re: 0x8000FFFF error when calling a Javascript function from C++.

Igor Tandetnik wrote:
"Andrew Yao" <andrewyao@xxxxxxxxx> wrote in message news:n3I5f.2$RC4.38@xxxxxxxxxxxxxxxxxx

Does anyone know what could cause this? This ActiveX uses the
Asynchronous Pluggable Protocol from Igor Tandetnik, so this particular
call could be executing from a different thread to the main IE browser
thread.


Can't do that. Once initialized on a particular apartment, a script engine must be called on the same apartment. In your case it means you can only call the script on the main UI thread. Use Switch / Continue to switch to the main thread if you have to. 

Thanks so much Igor.

Your comments are always dead-on. I called the script by sending a message to the main UI thread and it works.

I am not quite sure how to use Switch/Continue however. Is there an example that I could take a look at?

In my case, The Controller App, the WebBrowser control and where APP generates Request/Response are all in separate threads.

thanks again... You are super..

Andrew


.

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