DateTimeFormatInfo::GetEra Method
Returns the integer representing the specified era.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- eraName
- Type: System::String
The string containing the name of the era.
Return Value
Type: System::Int32The integer representing the era, if eraName is valid; otherwise, -1.
| Exception | Condition |
|---|---|
| ArgumentNullException | eraName is nullptr. |
The era name is the name a calendar uses to refer to a period of time reckoned from a fixed point or event. For example, "A.D." or "C.E." is the current era in the Gregorian calendar.
The comparison with eraName is case-insensitive, for example, "A.D." is equivalent to "a.d.".
GetEra ignores punctuation in abbreviated era names, only if the GregorianCalendar is selected in DateTimeFormatInfo::Calendar and the culture uses "A.D." as the era name, that is, "A.D." is equivalent to "AD".
GetEra compares eraName with the full era name returned by GetEraName and with the abbreviated era name returned by GetAbbreviatedEraName.
The following example shows that DateTimeFormatInfo ignores the punctuation in the era name, only if the calendar is Gregorian and the culture uses the era name "A.D.".
using namespace System; using namespace System::Globalization; using namespace System::Collections; int main() { // Creates strings with punctuation and without. String^ strADPunc = "A.D."; String^ strADNoPunc = "AD"; String^ strCEPunc = "C.E."; String^ strCENoPunc = "CE"; // Calls DTFI::GetEra for each culture that uses GregorianCalendar as the default calendar. Console::WriteLine( " ----- AD ----- ----- CE -----" ); Console::WriteLine( "CULTURE PUNC NO PUNC PUNC NO PUNC CALENDAR" ); IEnumerator^ en = CultureInfo::GetCultures( CultureTypes::SpecificCultures )->GetEnumerator(); while ( en->MoveNext() ) { CultureInfo^ myCI = safe_cast<CultureInfo^>(en->Current); Console::Write( "{0, -12}", myCI ); Console::Write( "{0,-7}{1,-9}", myCI->DateTimeFormat->GetEra( strADPunc ), myCI->DateTimeFormat->GetEra( strADNoPunc ) ); Console::Write( "{0, -7}{1, -9}", myCI->DateTimeFormat->GetEra( strCEPunc ), myCI->DateTimeFormat->GetEra( strCENoPunc ) ); Console::Write( "{0}", myCI->Calendar ); Console::WriteLine(); } } /* This code produces the following output. This output has been cropped for brevity. ----- AD ----- ----- CE ----- CULTURE PUNC NO PUNC PUNC NO PUNC CALENDAR ar-SA -1 -1 -1 -1 System.Globalization.HijriCalendar ar-IQ 1 1 -1 -1 System.Globalization.GregorianCalendar ar-EG 1 1 -1 -1 System.Globalization.GregorianCalendar ar-LY 1 1 -1 -1 System.Globalization.GregorianCalendar ar-DZ 1 1 -1 -1 System.Globalization.GregorianCalendar ar-MA 1 1 -1 -1 System.Globalization.GregorianCalendar ar-TN 1 1 -1 -1 System.Globalization.GregorianCalendar ar-OM 1 1 -1 -1 System.Globalization.GregorianCalendar ar-YE 1 1 -1 -1 System.Globalization.GregorianCalendar ar-SY 1 1 -1 -1 System.Globalization.GregorianCalendar ar-JO 1 1 -1 -1 System.Globalization.GregorianCalendar ar-LB 1 1 -1 -1 System.Globalization.GregorianCalendar ar-KW 1 1 -1 -1 System.Globalization.GregorianCalendar ar-AE 1 1 -1 -1 System.Globalization.GregorianCalendar ar-BH 1 1 -1 -1 System.Globalization.GregorianCalendar ar-QA 1 1 -1 -1 System.Globalization.GregorianCalendar bg-BG 1 1 -1 -1 System.Globalization.GregorianCalendar ca-ES -1 -1 -1 -1 System.Globalization.GregorianCalendar zh-TW -1 -1 -1 -1 System.Globalization.GregorianCalendar zh-CN -1 -1 -1 -1 System.Globalization.GregorianCalendar zh-HK 1 1 -1 -1 System.Globalization.GregorianCalendar zh-SG 1 1 -1 -1 System.Globalization.GregorianCalendar zh-MO 1 1 -1 -1 System.Globalization.GregorianCalendar cs-CZ -1 -1 -1 -1 System.Globalization.GregorianCalendar da-DK 1 1 -1 -1 System.Globalization.GregorianCalendar */
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
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