How can I simulate the Enter key press event on a web page using the GeckoFX Web Control?
I am unable to use SendKeys.Send({ENTER})
Is there a method to trigger the Enter key using JavaScript within a webpage?
How can I simulate the Enter key press event on a web page using the GeckoFX Web Control?
I am unable to use SendKeys.Send({ENTER})
Is there a method to trigger the Enter key using JavaScript within a webpage?
When utilizing geckofx, you have the option to employ the nsIDOMWindowUtils interface for sending keypress events.
var GeckoWebBrowser browser = ...;
nsIDOMWindowUtils utils = Xpcom.QueryInterface<nsIDOMWindowUtils>(browser.Window.DomWindow);
using (nsAString type = new nsAString("keypress"))
{
utils.SendKeyEvent(type, 0, 13, 0, false);
}
It's important to note that accessing the nsIDOMWindowUtils interface is typically restricted in normal JavaScript due to requiring UniversalXPConnect privilege.
Behold the mystical art of voodoo:
The C# COM version works by sending an ENTER keypress to GeckoNode in the GeckoWebBrowser. Unfortunately, there is no suitable wrapper in GeckoFX 18 for this task, so all manipulations are carried out via xpcom.
When sending characters, set the code to 0 and use the charcode as the final parameter for InitKeyEvent, where 13 represents the enter key.
In this snippet, 'e' symbolizes the object receiving the key press event.
nsIDOMKeyEvent Event = Xpcom.QueryInterface<nsIDOMKeyEvent>(Browser.Window.DomWindow.GetDocumentAttribute().CreateEvent(new nsAString("KeyEvents")));
Event.InitKeyEvent(new nsAString("keypress"), true, true, Browser.Window.DomWindow, false, false, false, false, (uint)13, (uint)0);
Xpcom.QueryInterface<nsIDOMEventTarget>(e.DomObject).DispatchEvent(Event);
Alternatively, for the JavaScript version, if you have the ability to inject JavaScript, you can achieve the same result within the JavaScript environment:
var Event = document.createEvent("KeyEvents");
Event.initKeyEvent('keypress', true, true, window, false, false, false, false, 13, 0);
e.dispatchEvent(Event);
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