The YCC IM View application was designed to let you see the Internet_Explorer_Server that displays text in the Messenger IM window. The window that shows the IM conversation in a regular Messenger IM window is actually an instance of Internet Explorer.
If you look at it with Spy++ you will see it is called Internet_Explorer_Server or more generically a IHTMLDocument2 windows object. If there is a Web page being displayed then there is HTML that drives the page. This program dumps that data and lets you see what is powering the Web page.
Windows 95/98/Me/NT/2000/XP/2003 Server/Vista