Webbrowser Control accessing new window's document

Question

I am hosting the WebBrowser control in C# winforms application. After clicking on a button on main page the application opens a new window and rest all the actions happens in new window. From the C# host application how can I access the Document of new browser window? The we.bbrowser's Document property still gives me the original document not the new window's document.

Any help greatly appreciated

Answer 1

can you provide the link of the page where the button is. or put here the html code of the page.