unit Unit1;interfaceuses  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,  Dialogs, StdCtrls;type  TForm1 = class(TForm)    Memo1: TMemo;    Button1: TButton;    Button2: TButton;    Button3: TButton;    Button4: TButton;    procedure Button1Click(Sender: TObject);    procedure Button2Click(Sender: TObject);    procedure Button3Click(Sender: TObject);    procedure Button4Click(Sender: TObject);  end;var  Form1: TForm1;implementation{$R *.dfm}//获取系统支持的语言列表procedure TForm1.Button1Click(Sender: TObject);var  i: Integer;begin  Memo1.Clear;  for i := 0 to Languages.Count - 1 do    Memo1.Lines.Add(Format('%d: %s', [i, Languages.Name[i]]));end;//获取系统支持语言的 Ext 列表procedure TForm1.Button2Click(Sender: TObject);var  i: Integer;begin  Memo1.Clear;  for i := 0 to Languages.Count - 1 do    Memo1.Lines.Add(Languages.Ext[i] + #9 + Languages.Name[i]);end;//系统默认的语言 ID 和在语言列表中的排序procedure TForm1.Button3Click(Sender: TObject);var  LangID: Word;  N: Integer;begin  LangID := GetUserDefaultLangID;  N := Languages.IndexOf(LangID);  ShowMessageFmt('当前语言ID: %d; 在列表中的排序: %d', [LangID, N]);  {当前语言ID: 2052; 在列表中67的排序: %d}end;//其他procedure TForm1.Button4Click(Sender: TObject);var  s: string;begin  ShowMessage(Languages.ID[67]);                  //$00000804  ShowMessage(IntToStr(Languages.LocaleID[67]));  //2052  ShowMessage(Languages.NameFromLCID['2052']);    //中文(中国)  ShowMessage(Languages.NameFromLocaleID[2052]);  //中文(中国)  ShowMessage(GetUILanguages(2052)); // zh-CN,zh-Hans,zh  ShowMessage(PreferredUILanguages); // ZH-CN,ZH-HANS,ZH  for s in PreferredUILanguageList do ShowMessage(s); //ZH-CN ...end;end.