CodePage ID 到 CodePage 名称：Delphi 中的 GetEncoding 等效吗？

发布于 2024-08-27 14:32:40 字数 399 浏览 11 评论 0原文

我正在寻找在 Delphi7 中使用的 .Net Encoding.GetEncoding 方法的 Win32 等效项。

我想要实现的是将代码页 ID（即：28592）转换为代码页名称（在本例中为 iso-8859-2）。

我找到了一个名为 GetCPInfoEx 的 Win32 函数，但它返回一个很长的 CodePage 名称，而我需要较短的代码页名称，如本页列出的名称：（请参阅“名称”列） http://msdn.microsoft.com/en-us/库/system.text.encoding.aspx

谢谢！

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戒ㄋ 2024-09-03 14:32:40

这是我的查找表和代码，请随意使用它。

type
  TCPData = record
    CPID: Integer;
    CPName: String;
  end;

const
  MaxEncodings = 140;

  Encodings: Array[0..MaxEncodings - 1] of TCPData =
  (
    (CPID: 37; CPName: 'IBM037'),
    (CPID: 437; CPName: 'IBM437'),
    (CPID: 500; CPName: 'IBM500'),
    (CPID: 708; CPName: 'ASMO-708'),
    (CPID: 720; CPName: 'DOS-720'),
    (CPID: 737; CPName: 'ibm737'),
    (CPID: 775; CPName: 'ibm775'),
    (CPID: 850; CPName: 'ibm850'),
    (CPID: 852; CPName: 'ibm852'),
    (CPID: 855; CPName: 'IBM855'),
    (CPID: 857; CPName: 'ibm857'),
    (CPID: 858; CPName: 'IBM00858'),
    (CPID: 860; CPName: 'IBM860'),
    (CPID: 861; CPName: 'ibm861'),
    (CPID: 862; CPName: 'DOS-862'),
    (CPID: 863; CPName: 'IBM863'),
    (CPID: 864; CPName: 'IBM864'),
    (CPID: 865; CPName: 'IBM865'),
    (CPID: 866; CPName: 'cp866'),
    (CPID: 869; CPName: 'ibm869'),
    (CPID: 870; CPName: 'IBM870'),
    (CPID: 874; CPName: 'windows-874'),
    (CPID: 875; CPName: 'cp875'),
    (CPID: 932; CPName: 'shift_jis'),
    (CPID: 936; CPName: 'gb2312'),
    (CPID: 949; CPName: 'ks_c_5601-1987'),
    (CPID: 950; CPName: 'big5'),
    (CPID: 1026; CPName: 'IBM1026'),
    (CPID: 1047; CPName: 'IBM01047'),
    (CPID: 1140; CPName: 'IBM01140'),
    (CPID: 1141; CPName: 'IBM01141'),
    (CPID: 1142; CPName: 'IBM01142'),
    (CPID: 1143; CPName: 'IBM01143'),
    (CPID: 1144; CPName: 'IBM01144'),
    (CPID: 1145; CPName: 'IBM01145'),
    (CPID: 1146; CPName: 'IBM01146'),
    (CPID: 1147; CPName: 'IBM01147'),
    (CPID: 1148; CPName: 'IBM01148'),
    (CPID: 1149; CPName: 'IBM01149'),
    (CPID: 1200; CPName: 'utf-16'),
    (CPID: 1201; CPName: 'unicodeFFFE'),
    (CPID: 1250; CPName: 'windows-1250'),
    (CPID: 1251; CPName: 'windows-1251'),
    (CPID: 1252; CPName: 'Windows-1252'),
    (CPID: 1253; CPName: 'windows-1253'),
    (CPID: 1254; CPName: 'windows-1254'),
    (CPID: 1255; CPName: 'windows-1255'),
    (CPID: 1256; CPName: 'windows-1256'),
    (CPID: 1257; CPName: 'windows-1257'),
    (CPID: 1258; CPName: 'windows-1258'),
    (CPID: 1361; CPName: 'Johab'),
    (CPID: 10000; CPName: 'macintosh'),
    (CPID: 10001; CPName: 'x-mac-japanese'),
    (CPID: 10002; CPName: 'x-mac-chinesetrad'),
    (CPID: 10003; CPName: 'x-mac-korean'),
    (CPID: 10004; CPName: 'x-mac-arabic'),
    (CPID: 10005; CPName: 'x-mac-hebrew'),
    (CPID: 10006; CPName: 'x-mac-greek'),
    (CPID: 10007; CPName: 'x-mac-cyrillic'),
    (CPID: 10008; CPName: 'x-mac-chinesesimp'),
    (CPID: 10010; CPName: 'x-mac-romanian'),
    (CPID: 10017; CPName: 'x-mac-ukrainian'),
    (CPID: 10021; CPName: 'x-mac-thai'),
    (CPID: 10029; CPName: 'x-mac-ce'),
    (CPID: 10079; CPName: 'x-mac-icelandic'),
    (CPID: 10081; CPName: 'x-mac-turkish'),
    (CPID: 10082; CPName: 'x-mac-croatian'),
    (CPID: 12000; CPName: 'utf-32'),
    (CPID: 12001; CPName: 'utf-32BE'),
    (CPID: 20000; CPName: 'x-Chinese-CNS'),
    (CPID: 20001; CPName: 'x-cp20001'),
    (CPID: 20002; CPName: 'x-Chinese-Eten'),
    (CPID: 20003; CPName: 'x-cp20003'),
    (CPID: 20004; CPName: 'x-cp20004'),
    (CPID: 20005; CPName: 'x-cp20005'),
    (CPID: 20105; CPName: 'x-IA5'),
    (CPID: 20106; CPName: 'x-IA5-German'),
    (CPID: 20107; CPName: 'x-IA5-Swedish'),
    (CPID: 20108; CPName: 'x-IA5-Norwegian'),
    (CPID: 20127; CPName: 'us-ascii'),
    (CPID: 20261; CPName: 'x-cp20261'),
    (CPID: 20269; CPName: 'x-cp20269'),
    (CPID: 20273; CPName: 'IBM273'),
    (CPID: 20277; CPName: 'IBM277'),
    (CPID: 20278; CPName: 'IBM278'),
    (CPID: 20280; CPName: 'IBM280'),
    (CPID: 20284; CPName: 'IBM284'),
    (CPID: 20285; CPName: 'IBM285'),
    (CPID: 20290; CPName: 'IBM290'),
    (CPID: 20297; CPName: 'IBM297'),
    (CPID: 20420; CPName: 'IBM420'),
    (CPID: 20423; CPName: 'IBM423'),
    (CPID: 20424; CPName: 'IBM424'),
    (CPID: 20833; CPName: 'x-EBCDIC-KoreanExtended'),
    (CPID: 20838; CPName: 'IBM-Thai'),
    (CPID: 20866; CPName: 'koi8-r'),
    (CPID: 20871; CPName: 'IBM871'),
    (CPID: 20880; CPName: 'IBM880'),
    (CPID: 20905; CPName: 'IBM905'),
    (CPID: 20924; CPName: 'IBM00924'),
    (CPID: 20932; CPName: 'EUC-JP'),
    (CPID: 20936; CPName: 'x-cp20936'),
    (CPID: 20949; CPName: 'x-cp20949'),
    (CPID: 21025; CPName: 'cp1025'),
    (CPID: 21866; CPName: 'koi8-u'),
    (CPID: 28591; CPName: 'iso-8859-1'),
    (CPID: 28592; CPName: 'iso-8859-2'),
    (CPID: 28593; CPName: 'iso-8859-3'),
    (CPID: 28594; CPName: 'iso-8859-4'),
    (CPID: 28595; CPName: 'iso-8859-5'),
    (CPID: 28596; CPName: 'iso-8859-6'),
    (CPID: 28597; CPName: 'iso-8859-7'),
    (CPID: 28598; CPName: 'iso-8859-8'),
    (CPID: 28599; CPName: 'iso-8859-9'),
    (CPID: 28603; CPName: 'iso-8859-13'),
    (CPID: 28605; CPName: 'iso-8859-15'),
    (CPID: 29001; CPName: 'x-Europa'),
    (CPID: 38598; CPName: 'iso-8859-8-i'),
    (CPID: 50220; CPName: 'iso-2022-jp'),
    (CPID: 50221; CPName: 'csISO2022JP'),
    (CPID: 50222; CPName: 'iso-2022-jp'),
    (CPID: 50225; CPName: 'iso-2022-kr'),
    (CPID: 50227; CPName: 'x-cp50227'),
    (CPID: 51932; CPName: 'euc-jp'),
    (CPID: 51936; CPName: 'EUC-CN'),
    (CPID: 51949; CPName: 'euc-kr'),
    (CPID: 52936; CPName: 'hz-gb-2312'),
    (CPID: 54936; CPName: 'GB18030'),
    (CPID: 57002; CPName: 'x-iscii-de'),
    (CPID: 57003; CPName: 'x-iscii-be'),
    (CPID: 57004; CPName: 'x-iscii-ta'),
    (CPID: 57005; CPName: 'x-iscii-te'),
    (CPID: 57006; CPName: 'x-iscii-as'),
    (CPID: 57007; CPName: 'x-iscii-or'),
    (CPID: 57008; CPName: 'x-iscii-ka'),
    (CPID: 57009; CPName: 'x-iscii-ma'),
    (CPID: 57010; CPName: 'x-iscii-gu'),
    (CPID: 57011; CPName: 'x-iscii-pa'),
    (CPID: 65000; CPName: 'utf-7'),
    (CPID: 65001; CPName: 'utf-8')
  );

implementation

function GetEncoding(CPID: Integer): String;
var
  I: Integer;
begin
  Result := 'iso-8859-2'; //put the default encoding here

  for I := 0 to MaxEncodings - 1 do
    if Encodings[I].CPID = CPID then
    begin
      Result := Encodings[I].CPName;
      break;
    end;
end;

感谢大家的回答，但事实证明这是在这种情况下唯一可用的解决方案......

Here is my look-up table with code, feel free to use it.

type
  TCPData = record
    CPID: Integer;
    CPName: String;
  end;

const
  MaxEncodings = 140;

  Encodings: Array[0..MaxEncodings - 1] of TCPData =
  (
    (CPID: 37; CPName: 'IBM037'),
    (CPID: 437; CPName: 'IBM437'),
    (CPID: 500; CPName: 'IBM500'),
    (CPID: 708; CPName: 'ASMO-708'),
    (CPID: 720; CPName: 'DOS-720'),
    (CPID: 737; CPName: 'ibm737'),
    (CPID: 775; CPName: 'ibm775'),
    (CPID: 850; CPName: 'ibm850'),
    (CPID: 852; CPName: 'ibm852'),
    (CPID: 855; CPName: 'IBM855'),
    (CPID: 857; CPName: 'ibm857'),
    (CPID: 858; CPName: 'IBM00858'),
    (CPID: 860; CPName: 'IBM860'),
    (CPID: 861; CPName: 'ibm861'),
    (CPID: 862; CPName: 'DOS-862'),
    (CPID: 863; CPName: 'IBM863'),
    (CPID: 864; CPName: 'IBM864'),
    (CPID: 865; CPName: 'IBM865'),
    (CPID: 866; CPName: 'cp866'),
    (CPID: 869; CPName: 'ibm869'),
    (CPID: 870; CPName: 'IBM870'),
    (CPID: 874; CPName: 'windows-874'),
    (CPID: 875; CPName: 'cp875'),
    (CPID: 932; CPName: 'shift_jis'),
    (CPID: 936; CPName: 'gb2312'),
    (CPID: 949; CPName: 'ks_c_5601-1987'),
    (CPID: 950; CPName: 'big5'),
    (CPID: 1026; CPName: 'IBM1026'),
    (CPID: 1047; CPName: 'IBM01047'),
    (CPID: 1140; CPName: 'IBM01140'),
    (CPID: 1141; CPName: 'IBM01141'),
    (CPID: 1142; CPName: 'IBM01142'),
    (CPID: 1143; CPName: 'IBM01143'),
    (CPID: 1144; CPName: 'IBM01144'),
    (CPID: 1145; CPName: 'IBM01145'),
    (CPID: 1146; CPName: 'IBM01146'),
    (CPID: 1147; CPName: 'IBM01147'),
    (CPID: 1148; CPName: 'IBM01148'),
    (CPID: 1149; CPName: 'IBM01149'),
    (CPID: 1200; CPName: 'utf-16'),
    (CPID: 1201; CPName: 'unicodeFFFE'),
    (CPID: 1250; CPName: 'windows-1250'),
    (CPID: 1251; CPName: 'windows-1251'),
    (CPID: 1252; CPName: 'Windows-1252'),
    (CPID: 1253; CPName: 'windows-1253'),
    (CPID: 1254; CPName: 'windows-1254'),
    (CPID: 1255; CPName: 'windows-1255'),
    (CPID: 1256; CPName: 'windows-1256'),
    (CPID: 1257; CPName: 'windows-1257'),
    (CPID: 1258; CPName: 'windows-1258'),
    (CPID: 1361; CPName: 'Johab'),
    (CPID: 10000; CPName: 'macintosh'),
    (CPID: 10001; CPName: 'x-mac-japanese'),
    (CPID: 10002; CPName: 'x-mac-chinesetrad'),
    (CPID: 10003; CPName: 'x-mac-korean'),
    (CPID: 10004; CPName: 'x-mac-arabic'),
    (CPID: 10005; CPName: 'x-mac-hebrew'),
    (CPID: 10006; CPName: 'x-mac-greek'),
    (CPID: 10007; CPName: 'x-mac-cyrillic'),
    (CPID: 10008; CPName: 'x-mac-chinesesimp'),
    (CPID: 10010; CPName: 'x-mac-romanian'),
    (CPID: 10017; CPName: 'x-mac-ukrainian'),
    (CPID: 10021; CPName: 'x-mac-thai'),
    (CPID: 10029; CPName: 'x-mac-ce'),
    (CPID: 10079; CPName: 'x-mac-icelandic'),
    (CPID: 10081; CPName: 'x-mac-turkish'),
    (CPID: 10082; CPName: 'x-mac-croatian'),
    (CPID: 12000; CPName: 'utf-32'),
    (CPID: 12001; CPName: 'utf-32BE'),
    (CPID: 20000; CPName: 'x-Chinese-CNS'),
    (CPID: 20001; CPName: 'x-cp20001'),
    (CPID: 20002; CPName: 'x-Chinese-Eten'),
    (CPID: 20003; CPName: 'x-cp20003'),
    (CPID: 20004; CPName: 'x-cp20004'),
    (CPID: 20005; CPName: 'x-cp20005'),
    (CPID: 20105; CPName: 'x-IA5'),
    (CPID: 20106; CPName: 'x-IA5-German'),
    (CPID: 20107; CPName: 'x-IA5-Swedish'),
    (CPID: 20108; CPName: 'x-IA5-Norwegian'),
    (CPID: 20127; CPName: 'us-ascii'),
    (CPID: 20261; CPName: 'x-cp20261'),
    (CPID: 20269; CPName: 'x-cp20269'),
    (CPID: 20273; CPName: 'IBM273'),
    (CPID: 20277; CPName: 'IBM277'),
    (CPID: 20278; CPName: 'IBM278'),
    (CPID: 20280; CPName: 'IBM280'),
    (CPID: 20284; CPName: 'IBM284'),
    (CPID: 20285; CPName: 'IBM285'),
    (CPID: 20290; CPName: 'IBM290'),
    (CPID: 20297; CPName: 'IBM297'),
    (CPID: 20420; CPName: 'IBM420'),
    (CPID: 20423; CPName: 'IBM423'),
    (CPID: 20424; CPName: 'IBM424'),
    (CPID: 20833; CPName: 'x-EBCDIC-KoreanExtended'),
    (CPID: 20838; CPName: 'IBM-Thai'),
    (CPID: 20866; CPName: 'koi8-r'),
    (CPID: 20871; CPName: 'IBM871'),
    (CPID: 20880; CPName: 'IBM880'),
    (CPID: 20905; CPName: 'IBM905'),
    (CPID: 20924; CPName: 'IBM00924'),
    (CPID: 20932; CPName: 'EUC-JP'),
    (CPID: 20936; CPName: 'x-cp20936'),
    (CPID: 20949; CPName: 'x-cp20949'),
    (CPID: 21025; CPName: 'cp1025'),
    (CPID: 21866; CPName: 'koi8-u'),
    (CPID: 28591; CPName: 'iso-8859-1'),
    (CPID: 28592; CPName: 'iso-8859-2'),
    (CPID: 28593; CPName: 'iso-8859-3'),
    (CPID: 28594; CPName: 'iso-8859-4'),
    (CPID: 28595; CPName: 'iso-8859-5'),
    (CPID: 28596; CPName: 'iso-8859-6'),
    (CPID: 28597; CPName: 'iso-8859-7'),
    (CPID: 28598; CPName: 'iso-8859-8'),
    (CPID: 28599; CPName: 'iso-8859-9'),
    (CPID: 28603; CPName: 'iso-8859-13'),
    (CPID: 28605; CPName: 'iso-8859-15'),
    (CPID: 29001; CPName: 'x-Europa'),
    (CPID: 38598; CPName: 'iso-8859-8-i'),
    (CPID: 50220; CPName: 'iso-2022-jp'),
    (CPID: 50221; CPName: 'csISO2022JP'),
    (CPID: 50222; CPName: 'iso-2022-jp'),
    (CPID: 50225; CPName: 'iso-2022-kr'),
    (CPID: 50227; CPName: 'x-cp50227'),
    (CPID: 51932; CPName: 'euc-jp'),
    (CPID: 51936; CPName: 'EUC-CN'),
    (CPID: 51949; CPName: 'euc-kr'),
    (CPID: 52936; CPName: 'hz-gb-2312'),
    (CPID: 54936; CPName: 'GB18030'),
    (CPID: 57002; CPName: 'x-iscii-de'),
    (CPID: 57003; CPName: 'x-iscii-be'),
    (CPID: 57004; CPName: 'x-iscii-ta'),
    (CPID: 57005; CPName: 'x-iscii-te'),
    (CPID: 57006; CPName: 'x-iscii-as'),
    (CPID: 57007; CPName: 'x-iscii-or'),
    (CPID: 57008; CPName: 'x-iscii-ka'),
    (CPID: 57009; CPName: 'x-iscii-ma'),
    (CPID: 57010; CPName: 'x-iscii-gu'),
    (CPID: 57011; CPName: 'x-iscii-pa'),
    (CPID: 65000; CPName: 'utf-7'),
    (CPID: 65001; CPName: 'utf-8')
  );

implementation

function GetEncoding(CPID: Integer): String;
var
  I: Integer;
begin
  Result := 'iso-8859-2'; //put the default encoding here

  for I := 0 to MaxEncodings - 1 do
    if Encodings[I].CPID = CPID then
    begin
      Result := Encodings[I].CPName;
      break;
    end;
end;

Thanks to everyone for the answers, but this proved to be the only usable solution in this case...

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白日梦 2024-09-03 14:32:40

您是否在查找IANA 官方名称？由于您希望它们与 Windows CP 标识符相关，因此我认为您不能做得比此表。

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北城半夏 2024-09-03 14:32:40

您需要使用 IMultiLanguage::GetCodePageInfo ，作为 MLang.dll 的一部分导出。它包含在 IE4 及更高版本中。您可以使用 Delphi 的 Import Component... 命令自行创建导入库，或者从 Colin Wilson 的低级实用程序包。

function CodePageToCharSet(ACodePage: Cardinal): string;
var
  MimeCPInfo: TMimeCPInfo;
  MultiLanguage: IMultiLanguage;
begin
  if Succeeded(CoCreateInstance(CLASS_CMultiLanguage, nil, CLSCTX_INPROC_SERVER,
     IID_IMultiLanguage, MultiLanguage)) and
     Succeeded(MultiLanguage.GetCodePageInfo(ACodePage, MimeCPInfo)) then
    Result := string(MimeCPInfo.wszWebCharset)
  else
    Result := 'US-ASCII';
end;

You need to use IMultiLanguage::GetCodePageInfo, exported as part of MLang.dll. It's included with IE4 and above. You can create the import library yourself using Delphi's Import Component... command, or grab MultiLanguage_TLB.pas from Colin Wilson's low-level utilities package.

function CodePageToCharSet(ACodePage: Cardinal): string;
var
  MimeCPInfo: TMimeCPInfo;
  MultiLanguage: IMultiLanguage;
begin
  if Succeeded(CoCreateInstance(CLASS_CMultiLanguage, nil, CLSCTX_INPROC_SERVER,
     IID_IMultiLanguage, MultiLanguage)) and
     Succeeded(MultiLanguage.GetCodePageInfo(ACodePage, MimeCPInfo)) then
    Result := string(MimeCPInfo.wszWebCharset)
  else
    Result := 'US-ASCII';
end;

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独孤求败 2024-09-03 14:32:40

使用搜索，卢克。只是旧的好的文本搜索。在注册表编辑器中。对于您需要的任何 cp 短名称:-) 请记住，这些 ID 实际上是 Internet MIME ID

HKEY_CLASSES_ROOT\MIME\DataBase

http://msdn.microsoft.com/en-us/library/ms775147.aspx 此页面暗示可能 - 只是可能 -该密钥自 MSIE4 起就存在 - 换句话说，自 Windows 98 起

uses
{$IfDef MSWINDOWS}Registry, Windows, {$EndIf}
AnsiStrings;

/// todo - add implementation for non-Windows platforms
/// if anyone would need it :-)
/// probably via http://sourceforge.net/projects/natspec/
function CharSetByCodePage(const cp:Word): AnsiString;
{$IfDef MSWINDOWS }
var reg: TRegistry;
begin
// HKEY_CLASSES_ROOT\MIME\DataBase\Codepage
  reg := TRegistry.Create(KEY_READ);
  try
    reg.RootKey := HKEY_CLASSES_ROOT;
    if reg.OpenKeyReadOnly('MIME\DataBase\Codepage\' + IntToStr(cp)) then begin
       Result := Trim(AnsiString(reg.ReadString('WebCharset'))); // This key prevails, see #1251 for example
       if Result = '' then
          Result := Trim(AnsiString(reg.ReadString('BodyCharset')));
       if Result > '' then exit;
    end;
  finally
    reg.Free;
  end;
  Raise EZXSaveException.Create('No charset (MIME id) found for codepage '+IntToStr(cp));
end;
{$Else}
begin
  Raise EZXSaveException.Create('Cannot get charset by numeric codepage on this platform.');
  //not implemented, perhaps http://sourceforge.net/projects/natspec/ ?
end;
{$EndIf}

Use search, Luke. Just old good text search. In RegEdit. For any cp short name you'd need :-) and remember, those IDs are really Internet MIME ids

HKEY_CLASSES_ROOT\MIME\DataBase

http://msdn.microsoft.com/en-us/library/ms775147.aspx this page hints that probably - just probably - that key exists since MSIE4 - in other words since Windows 98

uses
{$IfDef MSWINDOWS}Registry, Windows, {$EndIf}
AnsiStrings;

/// todo - add implementation for non-Windows platforms
/// if anyone would need it :-)
/// probably via http://sourceforge.net/projects/natspec/
function CharSetByCodePage(const cp:Word): AnsiString;
{$IfDef MSWINDOWS }
var reg: TRegistry;
begin
// HKEY_CLASSES_ROOT\MIME\DataBase\Codepage
  reg := TRegistry.Create(KEY_READ);
  try
    reg.RootKey := HKEY_CLASSES_ROOT;
    if reg.OpenKeyReadOnly('MIME\DataBase\Codepage\' + IntToStr(cp)) then begin
       Result := Trim(AnsiString(reg.ReadString('WebCharset'))); // This key prevails, see #1251 for example
       if Result = '' then
          Result := Trim(AnsiString(reg.ReadString('BodyCharset')));
       if Result > '' then exit;
    end;
  finally
    reg.Free;
  end;
  Raise EZXSaveException.Create('No charset (MIME id) found for codepage '+IntToStr(cp));
end;
{$Else}
begin
  Raise EZXSaveException.Create('Cannot get charset by numeric codepage on this platform.');
  //not implemented, perhaps http://sourceforge.net/projects/natspec/ ?
end;
{$EndIf}

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无悔心 2024-09-03 14:32:40

我认为你的意思是 LCIDToLocaleName 函数。

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惜醉颜 2024-09-03 14:32:40

type
  TCPInfoEx = record
    MaxCharSize: UINT;
    DefaultChar: array[0..MAX_DEFAULTCHAR - 1] of Byte;
    LeadByte: array[0..MAX_LEADBYTES - 1] of Byte;
    UnicodeDefaultChar: WideChar;
    CodePage: UINT;
    CodePageName: array[0..MAX_PATH - 1] of Char;
  end;

function GetCPInfoEx(CodePage: UINT; Flags: DWORD; var lpCPInfoEx: TCPInfoEx): BOOL;
    stdcall; external 'kernel32.dll' name 'GetCPInfoExA';

procedure TForm1.Button1Click(Sender: TObject);
var
  CPInfoEx: TCPInfoEx;
begin
  if GetCPInfoEx(28592, 0, CPInfoEx) then
    ShowMessage(CPInfoEx.CodePageName);
end;

type
  TCPInfoEx = record
    MaxCharSize: UINT;
    DefaultChar: array[0..MAX_DEFAULTCHAR - 1] of Byte;
    LeadByte: array[0..MAX_LEADBYTES - 1] of Byte;
    UnicodeDefaultChar: WideChar;
    CodePage: UINT;
    CodePageName: array[0..MAX_PATH - 1] of Char;
  end;

function GetCPInfoEx(CodePage: UINT; Flags: DWORD; var lpCPInfoEx: TCPInfoEx): BOOL;
    stdcall; external 'kernel32.dll' name 'GetCPInfoExA';

procedure TForm1.Button1Click(Sender: TObject);
var
  CPInfoEx: TCPInfoEx;
begin
  if GetCPInfoEx(28592, 0, CPInfoEx) then
    ShowMessage(CPInfoEx.CodePageName);
end;

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