HTML Component (HTC) http://www.blueidea.com/tech/web/2003/1227.asphttp://www.7dn.cn/Article_show.asp?articleid=897
Making Windows tabs with HTC components http://www.yesky.com/softchannel/72351167954419712/20020819/1625924.shtml
MSDN: htc reference http://msdn.microsoft.com/library/default.asp?url=/workshop/components/htc/reference/htcref.asp