Calendar.GetYear メソッド

[アーティクル]
03/28/2008

派生クラスでオーバーライドされると、指定した DateTime の年を返します。

Public MustOverride Function GetYear( _
   ByVal time As DateTime _) As Integer
[C#]
public abstract int GetYear(DateTimetime);
[C++]
public: virtual int GetYear(DateTimetime) = 0;
[JScript]
public abstract function GetYear(
   time : DateTime) : int;

パラメータ

time
読み取る対象の DateTime 。

戻り値

time の年を表す整数。

使用例

[Visual Basic, C#, C++] Calendar クラスのメンバの使用例を次に示します。

 
Imports System
Imports System.Globalization


Public Class SamplesCalendar   

   Public Shared Sub Main()

      ' Sets a DateTime to April 3, 2002 of the Gregorian calendar.
      Dim myDT As New DateTime(2002, 4, 3, New GregorianCalendar())

      ' Uses the default calendar of the InvariantCulture.
      Dim myCal As Calendar = CultureInfo.InvariantCulture.Calendar

      ' Displays the values of the DateTime.
      Console.WriteLine("April 3, 2002 of the Gregorian calendar:")
      DisplayValues(myCal, myDT)

      ' Adds 5 to every component of the DateTime.
      myDT = myCal.AddYears(myDT, 5)
      myDT = myCal.AddMonths(myDT, 5)
      myDT = myCal.AddWeeks(myDT, 5)
      myDT = myCal.AddDays(myDT, 5)
      myDT = myCal.AddHours(myDT, 5)
      myDT = myCal.AddMinutes(myDT, 5)
      myDT = myCal.AddSeconds(myDT, 5)
      myDT = myCal.AddMilliseconds(myDT, 5)

      ' Displays the values of the DateTime.
      Console.WriteLine("After adding 5 to each component of the DateTime:")
      DisplayValues(myCal, myDT)

   End Sub 'Main

   Public Shared Sub DisplayValues(myCal As Calendar, myDT As DateTime)
      Console.WriteLine("   Era:          {0}", myCal.GetEra(myDT))
      Console.WriteLine("   Year:         {0}", myCal.GetYear(myDT))
      Console.WriteLine("   Month:        {0}", myCal.GetMonth(myDT))
      Console.WriteLine("   DayOfYear:    {0}", myCal.GetDayOfYear(myDT))
      Console.WriteLine("   DayOfMonth:   {0}", myCal.GetDayOfMonth(myDT))
      Console.WriteLine("   DayOfWeek:    {0}", myCal.GetDayOfWeek(myDT))
      Console.WriteLine("   Hour:         {0}", myCal.GetHour(myDT))
      Console.WriteLine("   Minute:       {0}", myCal.GetMinute(myDT))
      Console.WriteLine("   Second:       {0}", myCal.GetSecond(myDT))
      Console.WriteLine("   Milliseconds: {0}", myCal.GetMilliseconds(myDT))
      Console.WriteLine()
   End Sub 'DisplayValues

End Class 'SamplesCalendar 


'This code produces the following output.

'

'April 3, 2002 of the Gregorian calendar:

'   Era:          1

'   Year:         2002

'   Month:        4

'   DayOfYear:    93

'   DayOfMonth:   3

'   DayOfWeek:    Wednesday

'   Hour:         0

'   Minute:       0

'   Second:       0

'   Milliseconds: 0

'

'After adding 5 to each component of the DateTime:

'   Era:          1

'   Year:         2007

'   Month:        10

'   DayOfYear:    286

'   DayOfMonth:   13

'   DayOfWeek:    Saturday

'   Hour:         5

'   Minute:       5

'   Second:       5

'   Milliseconds: 5

[C#] 
using System;
using System.Globalization;


public class SamplesCalendar  {

   public static void Main()  {

      // Sets a DateTime to April 3, 2002 of the Gregorian calendar.
      DateTime myDT = new DateTime( 2002, 4, 3, new GregorianCalendar() );

      // Uses the default calendar of the InvariantCulture.
      Calendar myCal = CultureInfo.InvariantCulture.Calendar;

      // Displays the values of the DateTime.
      Console.WriteLine( "April 3, 2002 of the Gregorian calendar:" );
      DisplayValues( myCal, myDT );

      // Adds 5 to every component of the DateTime.
      myDT = myCal.AddYears( myDT, 5 );
      myDT = myCal.AddMonths( myDT, 5 );
      myDT = myCal.AddWeeks( myDT, 5 );
      myDT = myCal.AddDays( myDT, 5 );
      myDT = myCal.AddHours( myDT, 5 );
      myDT = myCal.AddMinutes( myDT, 5 );
      myDT = myCal.AddSeconds( myDT, 5 );
      myDT = myCal.AddMilliseconds( myDT, 5 );

      // Displays the values of the DateTime.
      Console.WriteLine( "After adding 5 to each component of the DateTime:" );
      DisplayValues( myCal, myDT );

   }

   public static void DisplayValues( Calendar myCal, DateTime myDT )  {
      Console.WriteLine( "   Era:          {0}", myCal.GetEra( myDT ) );
      Console.WriteLine( "   Year:         {0}", myCal.GetYear( myDT ) );
      Console.WriteLine( "   Month:        {0}", myCal.GetMonth( myDT ) );
      Console.WriteLine( "   DayOfYear:    {0}", myCal.GetDayOfYear( myDT ) );
      Console.WriteLine( "   DayOfMonth:   {0}", myCal.GetDayOfMonth( myDT ) );
      Console.WriteLine( "   DayOfWeek:    {0}", myCal.GetDayOfWeek( myDT ) );
      Console.WriteLine( "   Hour:         {0}", myCal.GetHour( myDT ) );
      Console.WriteLine( "   Minute:       {0}", myCal.GetMinute( myDT ) );
      Console.WriteLine( "   Second:       {0}", myCal.GetSecond( myDT ) );
      Console.WriteLine( "   Milliseconds: {0}", myCal.GetMilliseconds( myDT ) );
      Console.WriteLine();
   }

}


/*
This code produces the following output.

April 3, 2002 of the Gregorian calendar:
   Era:          1
   Year:         2002
   Month:        4
   DayOfYear:    93
   DayOfMonth:   3
   DayOfWeek:    Wednesday
   Hour:         0
   Minute:       0
   Second:       0
   Milliseconds: 0

After adding 5 to each component of the DateTime:
   Era:          1
   Year:         2007
   Month:        10
   DayOfYear:    286
   DayOfMonth:   13
   DayOfWeek:    Saturday
   Hour:         5
   Minute:       5
   Second:       5
   Milliseconds: 5

*/

[C++] 
#using <mscorlib.dll>
using namespace System;
using namespace System::Globalization;

void DisplayValues(Calendar* myCal, DateTime myDT) {
   Console::WriteLine(S"   Era: {0}", __box(myCal->GetEra(myDT)));
   Console::WriteLine(S"   Year: {0}", __box(myCal->GetYear(myDT)));
   Console::WriteLine(S"   Month: {0}", __box(myCal->GetMonth(myDT)));
   Console::WriteLine(S"   DayOfYear: {0}", __box(myCal->GetDayOfYear(myDT)));
   Console::WriteLine(S"   DayOfMonth: {0}", __box(myCal->GetDayOfMonth(myDT)));
   Console::WriteLine(S"   DayOfWeek: {0}", __box(myCal->GetDayOfWeek(myDT)));
   Console::WriteLine(S"   Hour: {0}", __box(myCal->GetHour(myDT)));
   Console::WriteLine(S"   Minute: {0}", __box(myCal->GetMinute(myDT)));
   Console::WriteLine(S"   Second: {0}", __box(myCal->GetSecond(myDT)));
   Console::WriteLine(S"   Milliseconds: {0}", __box(myCal->GetMilliseconds(myDT)));
   Console::WriteLine();
}

int main() {
   // Sets a DateTime to April 3, 2002 of the Gregorian calendar.
   DateTime myDT = DateTime(2002, 4, 3, new GregorianCalendar());

   // Uses the default calendar of the InvariantCulture.
   Calendar*  myCal = CultureInfo::InvariantCulture->Calendar;

   // Displays the values of the DateTime.
   Console::WriteLine(S"April 3, 2002 of the Gregorian calendar:");
   DisplayValues(myCal, myDT);

   // Adds 5 to every component of the DateTime.
   myDT = myCal->AddYears(myDT, 5);
   myDT = myCal->AddMonths(myDT, 5);
   myDT = myCal->AddWeeks(myDT, 5);
   myDT = myCal->AddDays(myDT, 5);
   myDT = myCal->AddHours(myDT, 5);
   myDT = myCal->AddMinutes(myDT, 5);
   myDT = myCal->AddSeconds(myDT, 5);
   myDT = myCal->AddMilliseconds(myDT, 5);

   // Displays the values of the DateTime.
   Console::WriteLine(S"After adding 5 to each component of the DateTime:");
   DisplayValues(myCal, myDT);
}

/*
This code produces the following output.

April 3, 2002 of the Gregorian calendar:
Era:          1
Year:         2002
Month:        4
DayOfYear:    93
DayOfMonth:   3
DayOfWeek:    Wednesday
Hour:         0
Minute:       0
Second:       0
Milliseconds: 0

After adding 5 to each component of the DateTime:
Era:          1
Year:         2007
Month:        10
DayOfYear:    286
DayOfMonth:   13
DayOfWeek:    Saturday
Hour:         5
Minute:       5
Second:       5
Milliseconds: 5

*/

[JScript] JScript のサンプルはありません。Visual Basic、C#、および C++ のサンプルを表示するには、このページの左上隅にある言語のフィルタボタンをクリックします。

必要条件

プラットフォーム: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 ファミリ, .NET Compact Framework - Windows CE .NET

参照

次の方法で共有

Calendar.GetYear メソッド

パラメータ

戻り値

使用例

必要条件

参照

その他のリソース