// this can be called multiple times in the lifetime of the control!!!
void SelfHandleDestroyed(object s, EventArgs e)
{
_uiHandler = null;
}
void SelfHandleCreated(object s, EventArgs e)
{
HandleCreated -= new EventHandler(SelfHandleCreated);
if (url == null) url = String.Empty;
if (html == null) html = String.Empty;
if (body == null) body = String.Empty;
if (body == String.Empty && html == String.Empty)
url = "about:blank";
_uiHandler = new DocHostUIHandler(this);
// need to SetClientSite() to enable set properties in GetHostInfo() and setFlags():
Interop.IOleObject oleObj = control as Interop.IOleObject;
if (oleObj != null)
oleObj.SetClientSite(_uiHandler);
BrowserEvents2Multicaster bec = new BrowserEvents2Multicaster(this);
Navigate(url);
}