444ed39d_rePoint_2010___Charlie_Holland__Description
[Property] html [Data type] string [Description] 
Where a Url is passed, an IFRAME tag is rendered pointing to the appropriate Url. AS an alternative to this, it is possible to pass arbitrary HTML instead, in which case, rather than an IFRAME tag, the arbitrary HTML is rendered instead.
Using the Dialog framework in SharePoint 2010 » Charlie Holland
Description