how to get a IThumbnailCapture pointer   

I want to use CaptureThumbnail() method of IThumbnailCapture interface. but I
dont know how to get a pointer to IThumbnailCapture Interface.

I have tried QueryInterface method on IWebBrowser2, IDispath and
IHTMLDocument2 Interfaces to get IThumbnailCapture pointer but failed.

date: Wed, 17 Oct 2007 04:39:00 -0700   author:   sanjaygupta