public Rooted <JS.Value> Evaluate(JSHandleObject scope, string scriptSource, string filename = null, uint lineNumber = 0)
{
var resultRoot = new Rooted <JS.Value>(this, JS.Value.Undefined);
if (JSAPI.EvaluateScript(
this, scope,
scriptSource, filename, lineNumber,
resultRoot
))
{
return(resultRoot);
}
resultRoot.Dispose();
return(null);
}