var inputs = selection.GetElementsByTagName("input").Select(p => p as Gecko.DOM.GeckoInputElement).Where(p => p.GetAttribute("placeholder") == "Stake"); foreach (var input in inputs) { var curInput = input as Gecko.DOM.GeckoInputElement; //curInput.SetAttribute("value", bet.BetAmount.ToString("0")); #region DomEventArgs ev = myGeckoWebBrowser.Document.CreateEvent("KeyEvents"); var webEvent = new Event(myGeckoWebBrowser.Window.DomWindow, ev.DomEvent as nsISupports); //add focus event webEvent.InitEvent("focus", true, false); curInput.GetEventTarget().DispatchEvent(ev); //.46 //0-9 48~57 //add keypress event var nsIEventVar = ((nsIDOMKeyEvent)ev.DomEvent); char[] amountChars = bet.BetAmount.ToString().ToCharArray(); foreach (var vchar in amountChars) { int keyCode = CommonHelper.ToKeyValue(vchar); nsIEventVar.InitKeyEvent(new nsAString("keypress"), true, false, myGeckoWebBrowser.Window.DomWindow, false, false, false, false, (uint)keyCode, (uint)keyCode); Xpcom.QueryInterface<nsIDOMEventTarget>(curInput.DomObject).DispatchEvent(nsIEventVar); } //add blur event webEvent.InitEvent("blur", true, false); curInput.GetEventTarget().DispatchEvent(ev); #endregion Application.DoEvents(); isetAmount = true; }