Plug-ins have reasonably full access to the platform APIs, provided they use threading in the right way. Tips: your main thread belongs to Acrobat, and you must not run anything that does not return promptly, as Acrobat will hang. Use threads for long running processes. Do NOT, absolutely not, use the Acrobat SDK from any other threads.
As TSN mentioned – just use platform APIs to create your WebBrowser window
For Windows platform, I only aware of .NET WebBrowser control, the plugin is C++ that implied call from C++ to managed C#. Do you have suggestion for C++ API for Windows platform and for MAC OS platform to create WebBrowser control?
You can instantiate a web browser instance on either platform using their native APIs – just consult the platform documentation.
OR you can use a 3rd party GUI library such as wxWidgets that includes a web control.
lrosenth and TSN, thank you very much for your suggestions. I will look into these.
Don't know, but Google suggests CHtmlView.