/// <summary>
/// Add the provided JavaScript to a list of scripts
/// that should be executed after the global object has been created, but
/// before the HTML document has been parsed and before any other script
/// included by the HTML document is executed. The
/// injected script will apply to all future top level document and child
/// frame navigations until removed with RemoveScriptToExecuteOnDocumentCreated.
/// This is applied asynchronously and you must wait for the completion
/// handler to run before you can be sure that the script is ready to
/// execute on future navigations.
///
/// Note that if an HTML document has sandboxing of some kind via [sandbox](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/iframe#attr-sandbox)
/// properties or the [Content-Security-Policy HTTP header](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy)
/// this will affect the script run
/// here. So, for example, if the 'allow-modals' keyword is not set then calls
/// to the `alert` function will be ignored.
/// </summary>
/// <param name="javaScript"></param>
/// <param name="handler"></param>
public void AddScriptToExecuteOnDocumentCreated(string javaScript, Action <AddScriptToExecuteOnDocumentCreatedCompletedEventArgs> callback)
{
if (_webView2WebView == null)
{
return;
}
if (string.IsNullOrEmpty(javaScript))
{
throw new ArgumentNullException("javaScript");
}
_webView2WebView.AddScriptToExecuteOnDocumentCreated(javaScript, callback);
}
