/// <summary>
/// 获取webbrowser中html元素的屏幕坐标
/// </summary>
/// <param name="webBrowser"></param>
/// <param name="htmlElem"></param>
/// <returns></returns>
public Point GetHtmlElementClientPoint(WebBrowser webBrowser, HtmlElement htmlElement)
{
Point p = GetOffset(htmlElement);
HTMLDocument doc = webBrowser.Document.DomDocument as HTMLDocument;
int sl = int.Parse(doc.documentElement.getAttribute("ScrollLeft").ToString());
int st = int.Parse(doc.documentElement.getAttribute("ScrollTop").ToString());
//加上窗体的位置及控件的位置及窗体边框,50和8是窗体边框,不同的元素宽高不一样,需要可适当调整
p.X += htmlElement.OffsetRectangle.Left + this.Left + webBrowser1.Left + 8 - sl;
p.Y += htmlElement.OffsetRectangle.Top + this.Top + webBrowser1.Top + 50 - st;
return p;
}
private Point GetOffset(HtmlElement el)
{
//get element pos
Point pos = new Point(el.OffsetRectangle.Left, el.OffsetRectangle.Top);
//get the parents pos
HtmlElement tempEl = el.OffsetParent;
while (tempEl != null)
{
pos.X += tempEl.OffsetRectangle.Left;
pos.Y += tempEl.OffsetRectangle.Top;
tempEl = tempEl.OffsetParent;
}
return pos;
}
//调用
HtmlElement txtCodeHE = htmlDoc.GetElementById("txtCode");
Point txtCodeHEClientPoint = GetHtmlElementClientPoint(webBrowser1, txtCodeHE);
Cursor.Position = txtCodeHEClientPoint;