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StackOverflow 文档
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C# Language 教程
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日期时间方法
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DateTime.AddMilliseconds(双人间)
string dateFormat = "MM/dd/yyyy hh:mm:ss.fffffff";
DateTime date1 = new DateTime(2010, 9, 8, 16, 0, 0);
Console.WriteLine("Original date: {0} ({1:N0} ticks)\n",
date1.ToString(dateFormat), date1.Ticks);
DateTime date2 = date1.AddMilliseconds(1);
Console.WriteLine("Second date: {0} ({1:N0} ticks)",
date2.ToString(dateFormat), date2.Ticks);
Console.WriteLine("Difference between dates: {0} ({1:N0} ticks)\n",
date2 - date1, date2.Ticks - date1.Ticks);
DateTime date3 = date1.AddMilliseconds(1.5);
Console.WriteLine("Third date: {0} ({1:N0} ticks)",
date3.ToString(dateFormat), date3.Ticks);
Console.WriteLine("Difference between dates: {0} ({1:N0} ticks)",
date3 - date1, date3.Ticks - date1.Ticks);