Untitled

public void ClickProjekt()
{
    var by = By.CssSelector("#selection-project-button > a");
    IWebElement el = null;

    driver.SwitchTo().DefaultContent();
    try { el = new WebDriverWait(driver, TimeSpan.FromSeconds(4)).Until(d => d.FindElement(by)); }
    catch
    {
        foreach (var f in driver.FindElements(By.CssSelector("iframe,frame")))
        {
            driver.SwitchTo().Frame(f);
            var list = driver.FindElements(by);
            if (list.Count > 0) { el = list[0]; break; }
            driver.SwitchTo().ParentFrame();
        }
    }

    if (el == null) throw new NoSuchElementException("Nu găsesc 'Projekt auswählen'.");

    ((IJavaScriptExecutor)driver).ExecuteScript("arguments[0].scrollIntoView({block:'center',inline:'center'});", el);
    ((IJavaScriptExecutor)driver).ExecuteScript("arguments[0].click();", el);

    driver.SwitchTo().DefaultContent();
}