GregorianCalendar.MinSupportedDateTime 屬性

定義

命名空間:

System.Globalization

組件:

System.Runtime.dll

來源:

GregorianCalendar.cs

取得 GregorianCalendar 型別所支援的最早日期和時間。

public:
 virtual property DateTime MinSupportedDateTime { DateTime get(); };

public override DateTime MinSupportedDateTime { get; }

member this.MinSupportedDateTime : DateTime

Public Overrides ReadOnly Property MinSupportedDateTime As DateTime

屬性值

DateTime

類型所 GregorianCalendar 支援的最早日期和時間，這是 0001 年 1 月 1 日 C.E 的第一個時間，相當於 DateTime.MinValue。

範例

下列程式代碼範例會取得行事曆的最小值和最大值。

using namespace System;
using namespace System::Globalization;

int main()
{
   // Create an instance of the calendar.
   GregorianCalendar^ myCal = gcnew GregorianCalendar;
   Console::WriteLine( myCal );
   
   // Display the MinSupportedDateTime.
   DateTime myMin = myCal->MinSupportedDateTime;
   Console::WriteLine( "MinSupportedDateTime: {0:D2}/{1:D2}/{2:D4}", myCal->GetMonth( myMin ), myCal->GetDayOfMonth( myMin ), myCal->GetYear( myMin ) );
   
   // Display the MaxSupportedDateTime.
   DateTime myMax = myCal->MaxSupportedDateTime;
   Console::WriteLine( "MaxSupportedDateTime: {0:D2}/{1:D2}/{2:D4}", myCal->GetMonth( myMax ), myCal->GetDayOfMonth( myMax ), myCal->GetYear( myMax ) );
}

/*
This code produces the following output.

System.Globalization.GregorianCalendar
MinSupportedDateTime: 01/01/0001
MaxSupportedDateTime: 12/31/9999

*/

using System;
using System.Globalization;

public class SamplesCalendar  {

   public static void Main()  {

      // Create an instance of the calendar.
      GregorianCalendar myCal = new GregorianCalendar();
      Console.WriteLine( myCal.ToString() );

      // Display the MinSupportedDateTime.
      DateTime myMin = myCal.MinSupportedDateTime;
      Console.WriteLine( "MinSupportedDateTime: {0:D2}/{1:D2}/{2:D4}", myCal.GetMonth(myMin), myCal.GetDayOfMonth(myMin), myCal.GetYear(myMin) );

      // Display the MaxSupportedDateTime.
      DateTime myMax = myCal.MaxSupportedDateTime;
      Console.WriteLine( "MaxSupportedDateTime: {0:D2}/{1:D2}/{2:D4}", myCal.GetMonth(myMax), myCal.GetDayOfMonth(myMax), myCal.GetYear(myMax) );
   }
}


/*
This code produces the following output.

System.Globalization.GregorianCalendar
MinSupportedDateTime: 01/01/0001
MaxSupportedDateTime: 12/31/9999

*/

Imports System.Globalization

Public Class SamplesCalendar   

   Public Shared Sub Main()

      ' Create an instance of the calendar.
      Dim myCal As New GregorianCalendar()
      Console.WriteLine(myCal.ToString())

      ' Display the MinSupportedDateTime.
      Dim myMin As DateTime = myCal.MinSupportedDateTime
      Console.WriteLine("MinSupportedDateTime: {0:D2}/{1:D2}/{2:D4}", myCal.GetMonth(myMin), myCal.GetDayOfMonth(myMin), myCal.GetYear(myMin))

      ' Display the MaxSupportedDateTime.
      Dim myMax As DateTime = myCal.MaxSupportedDateTime
      Console.WriteLine("MaxSupportedDateTime: {0:D2}/{1:D2}/{2:D4}", myCal.GetMonth(myMax), myCal.GetDayOfMonth(myMax), myCal.GetYear(myMax))

   End Sub

End Class


'This code produces the following output.
'
'System.Globalization.GregorianCalendar
'MinSupportedDateTime: 01/01/0001
'MaxSupportedDateTime: 12/31/9999

備註

雖然屬性的值 MinSupportedDateTime 是 0001 年 1 月 1 日 C.E.的第一個時刻，但公曆在 10 月 15 日、1582 年 10 月 15 日之前，以及在整個歐洲大陸和全球的採用速度很慢。 在採用公曆之前，歐洲、美國和澳大利亞大陸的大部分文化特性都使用由 類別表示的 JulianCalendar Julian 行事曆。