public int UpdateUI()
{
if (this.mFullyActive && (this.m_document != null) && (this.container.mDesignMode == true))
{
try
{
mshtml.HTMLDocument thisdoc = (mshtml.HTMLDocument)m_document;
//we need IDisplayServices to get the caret position
mshtml.IDisplayServices ds = (IDisplayServices)thisdoc;
if (ds == null)
{
return(HRESULT.S_OK);
}
IHTMLCaret caret;
ds.GetCaret(out caret);
if (caret == null)
{
Debug.WriteLine("caret was null");
return(HRESULT.S_OK);
}
tagPOINT pt = new tagPOINT();
caret.GetLocation(out pt, 1);
IHTMLElement el = thisdoc.elementFromPoint(pt.x, pt.y);
if (el == null)
{
Debug.WriteLine("pt was null");
return(HRESULT.S_OK);
}
container.mcurrentElement = el;
container.InvokeUpdateUI(el);
}
catch (Exception e)
{
Debug.WriteLine(e.Message + e.StackTrace);
}
}
//should always return S_OK unless error
return(HRESULT.S_OK);
}