C#编程:用IsLeapYear判断闰年-6_彭世瑜_新浪博客 彭世瑜 2022-03-30 112 阅读1分钟 private void button1_Click(object sender, EventArgs e) { MessageBox.Show(DateTime.IsLeapYear(int.Parse(DateTime.Now.ToString("yyyy"))).ToString()); }