public static IHTMLElement FindElement(IntPtr fromHandle, IHTMLDocument2 doc, int x, int y)
{
IHTMLElement elem = null;
Rect lpRect = new Rect();
WindowUtil.GetWindowRect(fromHandle, out lpRect);
elem = doc.elementFromPoint(x - lpRect.Left, y - lpRect.Top);
while (((elem != null) && (elem.tagName != null)) && (elem.tagName.ToLower().Equals("iframe") || elem.tagName.ToLower().Equals("frame")))
{
Rectangle elementRect = GetElementRect(doc.body, elem);
IWebBrowser2 o = elem as IWebBrowser2;
IHTMLDocument2 document = o.Document as IHTMLDocument2;
IHTMLElement element2 = document.elementFromPoint((x - lpRect.Left) - elementRect.X, (y - lpRect.Top) - elementRect.Y);
if (element2 != null)
{
elem = element2;
}
Marshal.ReleaseComObject(document);
Marshal.ReleaseComObject(o);
}
return elem;
}
public static IHTMLElement FindElement(IntPtr fromHandle, IHTMLDocument2 doc, int x, int y)
{
IHTMLElement elem = null;
Rect lpRect = new Rect();
WindowUtil.GetWindowRect(fromHandle, out lpRect);
elem = doc.elementFromPoint(x - lpRect.Left, y - lpRect.Top);
while (((elem != null) && (elem.tagName != null)) && (elem.tagName.ToLower().Equals("iframe") || elem.tagName.ToLower().Equals("frame")))
{
Rectangle elementRect = GetElementRect(doc.body, elem);
IWebBrowser2 o = elem as IWebBrowser2;
IHTMLDocument2 document = o.Document as IHTMLDocument2;
IHTMLElement element2 = document.elementFromPoint((x - lpRect.Left) - elementRect.X, (y - lpRect.Top) - elementRect.Y);
if (element2 != null)
{
elem = element2;
}
Marshal.ReleaseComObject(document);
Marshal.ReleaseComObject(o);
}
return(elem);
}
/*
* Takes webdoc from control.webbrowser. also two int for x-y coordinates.
* It takes a point, and find any DOM objects around the point. (with bound of +- 10)
* Ultimately, it adds to hashtable dom_cord with
* the DOM element (href) as key
* position coordinate Point was value (cord_dom -> key: cord value: dom)
*
*/
private void get_around(IHTMLDocument2 webdoc, int xcord, int ycord)
{
for (int i = 0; i < 30; i+=3)
{
for (int j = 0; j < 30; j+=3)
{
try
{
var obj_1 = webdoc.elementFromPoint(xcord + i, ycord + j).getAttribute("href");
var obj_2 = webdoc.elementFromPoint(xcord - i, ycord + j).getAttribute("href");
var obj_3 = webdoc.elementFromPoint(xcord + i, ycord - j).getAttribute("href");
var obj_4 = webdoc.elementFromPoint(xcord - i, ycord - j).getAttribute("href");
if (obj_1 is String)
{ if (obj_1.Length > 0)
{
Point ele_coord = new Point(xcord + i, ycord + j);
dom_cord.Add(obj_1, ele_coord);
cord_dom.Add(ele_coord, obj_1);
}
}
if (obj_2 is String)
{ if (obj_2.Length > 0)
{
Point ele_coord = new Point(xcord - i, ycord + j);
dom_cord.Add(obj_2, ele_coord);
cord_dom.Add(ele_coord, obj_2);
}
}
if (obj_3 is String)
{ if (obj_3.Length > 0)
{
Point ele_coord = new Point(xcord + i, ycord - j);
dom_cord.Add(obj_3, ele_coord);
cord_dom.Add(ele_coord, obj_3);
}
}
if (obj_4 is String)
{
if (obj_4.Length > 0)
{
Point ele_coord = new Point(xcord - i, ycord - j);
dom_cord.Add(obj_4, ele_coord);
cord_dom.Add(ele_coord, obj_4);
}
}
}
catch { }
}
}
}
public IHTMLElement elementFromPoint(int x, int y)
{
return(_innerDoc2.elementFromPoint(x, y));
}
