DateTimeOffset。C# 中的 ToFileTime()方法
原文:https://www . geesforgeks . org/datetime offset-tofiletime-method-in-c-sharp/
DateTimeOffset。ToFileTime 方法用于将当前 DateTimeOffset 对象的值转换为 Windows 文件时间。
语法:public long to filetime();
返回值:该方法返回当前 DateTimeOffset 对象的值,表示为 Windows 文件时间。
异常:如果生成的文件时间表示公元 1601 年 1 月 1 日午夜之前的日期和时间,该方法将给出argumentout of range Exception。
以下程序说明了日期时间偏移的使用。ToFileTime() 方法:
例 1:
// C# program to demonstrate the
// DateTimeOffset.ToFileTime()
// Method
using System;
using System.Globalization;
class GFG {
// Main Method
public static void Main()
{
try {
// creating object of DateTimeOffset
DateTimeOffset offset = new DateTimeOffset(2007,
6, 1, 7, 55, 0, new TimeSpan(-5, 0, 0));
// Converts the value of the current
// DateTimeOffset object to a Windows file time.
// instance using ToFileTime() method
long value = offset.ToFileTime();
// Display the time
Console.WriteLine("Windows file time is {0}", value);
}
catch (ArgumentOutOfRangeException e)
{
Console.Write("Exception Thrown: ");
Console.Write("{0}", e.GetType(), e.Message);
}
}
}
Output:
Windows file time is 128251761000000000
例 2: 为argumentout of range exception
// C# program to demonstrate the
// DateTimeOffset.ToFileTime()
// Method
using System;
using System.Globalization;
class GFG {
// Main Method
public static void Main()
{
try {
// creating object of DateTimeOffset
DateTimeOffset offset = new DateTimeOffset(1600,
6, 1, 7, 55, 0, new TimeSpan(-5, 0, 0));
// Converts the value of the current
// DateTimeOffset object to a Windows file time.
// instance using ToFileTime() method
long value = offset.ToFileTime();
// Display the time
Console.WriteLine("Windows file time is {0}", value);
}
catch (ArgumentOutOfRangeException e)
{
Console.Write("Exception Thrown: ");
Console.Write("{0}", e.GetType(), e.Message);
}
}
}
Output:
Exception Thrown: System.ArgumentOutOfRangeException
参考:
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