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C# DateTime.SpecifyKind()用法及代碼示例

此方法用於創建一個新的DateTime對象,該對象的跳動次數與指定的DateTime相同,但被指定為本地時間,協調世界時(UTC)或都不指定,如指定的DateTimeKind值所示。

用法: public static DateTime SpecifyKind (DateTime value, DateTimeKind kind);

參數:
value:它是日期和時間。
kind:它是枚舉值之一,它指示新對象是否表示本地時間,UTC或都不表示。


返回值:此方法返回一個新對象,其滴答數與value參數表示的對象和kind參數指定的DateTimeKind值的滴答聲相同。

以下示例程序旨在說明DateTime.SpecifyKind(DateTime,DateTimeKind)方法的用法:

示例1:

// C# program to demonstrate the 
// DateTime.SpecifyKind(DateTime, 
// DateTimeKind) Method 
using System; 
using System.Globalization; 
  
class GFG { 
  
    // Main Method 
    public static void Main() 
    { 
  
        // creating object of DateTime 
        DateTime date = new DateTime(2005, 5, 
                                6, 14, 34, 42); 
                                  
        Console.WriteLine("Kind Before Using Method: "
                                          +date.Kind); 
  
        // getting DateTime of same DateTime  
        // instance using SpecifyKind() method 
        DateTime value = DateTime.SpecifyKind(date, 
                            DateTimeKind.Local); 
                              
        Console.WriteLine("Kind After Using Method: " + 
                                            value.Kind); 
  
        Console.WriteLine("DateTime is {0}", 
                                    value); 
    } 
}
輸出:
Kind Before Using Method: Unspecified
Kind After Using Method: Local
DateTime is 05/06/2005 14:34:42

示例2:

// C# program to demonstrate the 
// DateTime.SpecifyKind(DateTime, 
// DateTimeKind) Method 
using System; 
using System.Globalization; 
  
class GFG { 
  
    // Main Method 
    public static void Main() 
    { 
  
        // creating object of DateTime 
        DateTime date = new DateTime(1970, 1, 
                                1, 4, 0, 15); 
  
        // getting DateTime of same DateTime  
        // instance using SpecifyKind() method 
        DateTime value = DateTime.SpecifyKind(date, 
                               DateTimeKind.Local); 
  
        Console.WriteLine("DateTime is {0}", value); 
    } 
}
輸出:
DateTime is 01/01/1970 04:00:15

參考:



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注:本文由純淨天空篩選整理自RohitPrasad3大神的英文原創作品 DateTime.SpecifyKind() Method in C#。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。