DateTimeFormatInfo.ShortestDayNames プロパティ

定義

名前空間:

System.Globalization

アセンブリ:

System.Runtime.dll

ソース:

DateTimeFormatInfo.cs

現在の DateTimeFormatInfo オブジェクトに関連付けられた曜日の最も短い一意の省略名の文字列配列を取得または設定します。

public:
 property cli::array <System::String ^> ^ ShortestDayNames { cli::array <System::String ^> ^ get(); void set(cli::array <System::String ^> ^ value); };

public string[] ShortestDayNames { get; set; }

member this.ShortestDayNames : string[] with get, set

Public Property ShortestDayNames As String()

プロパティ値

String[]

曜日名の文字列配列。

例外

ArgumentException

設定操作で、配列には厳密に 7 個の要素が含まれていません。

ArgumentNullException

設定操作で、値配列または値配列の要素の 1 つが null です。

InvalidOperationException

set 操作において、現在の DateTimeFormatInfo オブジェクトが読み取り専用です。

例

次の例では、日付と時刻の書式パターン、ネイティブカレンダー名、完全名と省略形の月と日の名前を指定するいくつかのメソッドとプロパティを示します。

// This code example demonstrates the DateTimeFormatInfo
// MonthGenitiveNames, AbbreviatedMonthGenitiveNames,
// ShortestDayNames, and NativeCalendarName properties, and
// the GetShortestDayName() and SetAllDateTimePatterns() methods.

using System;
using System.Globalization;

class Sample
{
    public static void Main()
    {
    string[] myDateTimePatterns = new string[] {"MM/dd/yy", "MM/dd/yyyy"};

// Get the en-US culture.
    CultureInfo ci = new CultureInfo("en-US");
// Get the DateTimeFormatInfo for the en-US culture.
    DateTimeFormatInfo dtfi = ci.DateTimeFormat;

// Display the effective culture.
    Console.WriteLine("This code example uses the {0} culture.", ci.Name);

// Display the native calendar name.
    Console.WriteLine("\nNativeCalendarName...");
    Console.WriteLine("\"{0}\"", dtfi.NativeCalendarName);

// Display month genitive names.
    Console.WriteLine("\nMonthGenitiveNames...");
    foreach (string name in dtfi.MonthGenitiveNames)
    {
    Console.WriteLine("\"{0}\"", name);
    }

// Display abbreviated month genitive names.
    Console.WriteLine("\nAbbreviatedMonthGenitiveNames...");
    foreach (string name in dtfi.AbbreviatedMonthGenitiveNames)
    {
    Console.WriteLine("\"{0}\"", name);
    }

// Display shortest day names.
    Console.WriteLine("\nShortestDayNames...");
    foreach (string name in dtfi.ShortestDayNames)
    {
    Console.WriteLine("\"{0}\"", name);
    }

// Display shortest day name for a particular day of the week.
    Console.WriteLine("\nGetShortestDayName(DayOfWeek.Sunday)...");
    Console.WriteLine("\"{0}\"", dtfi.GetShortestDayName(DayOfWeek.Sunday));

// Display the initial DateTime format patterns for the 'd' format specifier.
    Console.WriteLine("\nInitial DateTime format patterns for the 'd' format specifier...");
    foreach (string name in dtfi.GetAllDateTimePatterns('d'))
    {
    Console.WriteLine("\"{0}\"", name);
    }

// Change the initial DateTime format patterns for the 'd' DateTime format specifier.
    Console.WriteLine("\nChange the initial DateTime format patterns for the \n" +
                      "'d' format specifier to my format patterns...");
    dtfi.SetAllDateTimePatterns(myDateTimePatterns, 'd');

// Display the new DateTime format patterns for the 'd' format specifier.
    Console.WriteLine("\nNew DateTime format patterns for the 'd' format specifier...");
    foreach (string name in dtfi.GetAllDateTimePatterns('d'))
    {
    Console.WriteLine("\"{0}\"", name);
    }
    }
}
/*
This code example produces the following results:

This code example uses the en-US culture.

NativeCalendarName...
"Gregorian Calendar"

MonthGenitiveNames...
"January"
"February"
"March"
"April"
"May"
"June"
"July"
"August"
"September"
"October"
"November"
"December"
""

AbbreviatedMonthGenitiveNames...
"Jan"
"Feb"
"Mar"
"Apr"
"May"
"Jun"
"Jul"
"Aug"
"Sep"
"Oct"
"Nov"
"Dec"
""

ShortestDayNames...
"Su"
"Mo"
"Tu"
"We"
"Th"
"Fr"
"Sa"

GetShortestDayName(DayOfWeek.Sunday)...
"Su"

Initial DateTime format patterns for the 'd' format specifier...
"M/d/yyyy"
"M/d/yy"
"MM/dd/yy"
"MM/dd/yyyy"
"yy/MM/dd"
"yyyy-MM-dd"
"dd-MMM-yy"

Change the initial DateTime format patterns for the
'd' format specifier to my format patterns...

New DateTime format patterns for the 'd' format specifier...
"MM/dd/yy"
"MM/dd/yyyy"

*/

' This code example demonstrates the DateTimeFormatInfo 
' MonthGenitiveNames, AbbreviatedMonthGenitiveNames, 
' ShortestDayNames, and NativeCalendarName properties, and
' the GetShortestDayName() and SetAllDateTimePatterns() methods.

Imports System.Globalization

Class Sample
    Public Shared Sub Main() 
        Dim myDateTimePatterns() As String = {"MM/dd/yy", "MM/dd/yyyy"}
        Dim name As String = ""
        
        ' Get the en-US culture.
        Dim ci As New CultureInfo("en-US")
        ' Get the DateTimeFormatInfo for the en-US culture.
        Dim dtfi As DateTimeFormatInfo = ci.DateTimeFormat
        
        ' Display the effective culture.
        Console.WriteLine("This code example uses the {0} culture.", ci.Name)
        
        ' Display the native calendar name.    
        Console.WriteLine(vbCrLf & "NativeCalendarName...")
        Console.WriteLine("""{0}""", dtfi.NativeCalendarName)
        
        ' Display month genitive names.
        Console.WriteLine(vbCrLf & "MonthGenitiveNames...")
        For Each name In dtfi.MonthGenitiveNames
            Console.WriteLine("""{0}""", name)
        Next name
        
        ' Display abbreviated month genitive names.
        Console.WriteLine(vbCrLf & "AbbreviatedMonthGenitiveNames...")
        For Each name In dtfi.AbbreviatedMonthGenitiveNames
            Console.WriteLine("""{0}""", name)
        Next name
        
        ' Display shortest day names.
        Console.WriteLine(vbCrLf & "ShortestDayNames...")
        For Each name In dtfi.ShortestDayNames
            Console.WriteLine("""{0}""", name)
        Next name
        
        ' Display shortest day name for a particular day of the week.
        Console.WriteLine(vbCrLf & "GetShortestDayName(DayOfWeek.Sunday)...")
        Console.WriteLine("""{0}""", dtfi.GetShortestDayName(DayOfWeek.Sunday))
        
        ' Display the initial DateTime format patterns for the 'd' format specifier.
        Console.WriteLine(vbCrLf & "Initial DateTime format patterns for " & _
                          "the 'd' format specifier...")
        For Each name In dtfi.GetAllDateTimePatterns("d"c)
            Console.WriteLine("""{0}""", name)
        Next name
        
        ' Change the initial DateTime format patterns for the 'd' DateTime format specifier.
        Console.WriteLine(vbCrLf & "Change the initial DateTime format patterns for the " & _
                          vbCrLf & "'d' format specifier to my format patterns...")
        dtfi.SetAllDateTimePatterns(myDateTimePatterns, "d"c)
        
        ' Display the new DateTime format patterns for the 'd' format specifier.
        Console.WriteLine(vbCrLf & _
                          "New DateTime format patterns for the 'd' format specifier...")
        For Each name In dtfi.GetAllDateTimePatterns("d"c)
            Console.WriteLine("""{0}""", name)
        Next name
    
    End Sub
End Class
'
'This code example produces the following results:
'
'This code example uses the en-US culture.
'
'NativeCalendarName...
'"Gregorian Calendar"
'
'MonthGenitiveNames...
'"January"
'"February"
'"March"
'"April"
'"May"
'"June"
'"July"
'"August"
'"September"
'"October"
'"November"
'"December"
'""
'
'AbbreviatedMonthGenitiveNames...
'"Jan"
'"Feb"
'"Mar"
'"Apr"
'"May"
'"Jun"
'"Jul"
'"Aug"
'"Sep"
'"Oct"
'"Nov"
'"Dec"
'""
'
'ShortestDayNames...
'"Su"
'"Mo"
'"Tu"
'"We"
'"Th"
'"Fr"
'"Sa"
'
'GetShortestDayName(DayOfWeek.Sunday)...
'"Su"
'
'Initial DateTime format patterns for the 'd' format specifier...
'"M/d/yyyy"
'"M/d/yy"
'"MM/dd/yy"
'"MM/dd/yyyy"
'"yy/MM/dd"
'"yyyy-MM-dd"
'"dd-MMM-yy"
'
'Change the initial DateTime format patterns for the
''d' format specifier to my format patterns...
'
'New DateTime format patterns for the 'd' format specifier...
'"MM/dd/yy"
'"MM/dd/yyyy"
'

注釈

既定の配列は日曜日に始まります。