如何从通用（wpf）上的“listview.ItemsSource”获取item [0]

Question

def generate_primes_up_to(M):
    n = 2
    primes = []
    while n <= M:
        if next((False for p in primes if not n % p), True):
            primes.append(n)
        n += 1

    return primes

如何获得lstvideo.ItemsSource = await GetVideo(_link.Link, ""); var t = lstvideo.ItemsSource as Model.Video; ？

Answer 1

试试这个（如果我帮你的话）：

    var x = t.First();

Answer 2

Model.Video video = lstvideo.ItemsSource.First();