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var
  arrChar : array [0..4] of Char;
  b : Byte;
  s : string;
begin
  s := 'Test';
  Move(Pointer(s)^, arrChar, Length(s));   //string to array of char
  ShowMessage(arrChar);
  b := Ord(s[1]);   //First byte string to one single byte
  ShowMessage(Char(b));
end;


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uses StrUtils;
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      Êײ¿ function AnsiResemblesText(const AText, AOther: string): Boolean;
      $[StrUtils.pas
      ¹¦ÄÜ ·µ»ØÁ½¸ö×Ö·û´®ÊÇ·ñÏàËÆ
      ......

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dll µ÷Ó÷½·¨ÓÐ ¾²Ì¬µ÷ÓúͶ¯Ì¬µ÷ÓÃÁ½ÖÖ·½·¨
Óõ½µÄdllΪÉÏƪÎÄÕÂËù±àдµÄdll.
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Unit Unit1;
Interface
Uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;
Type
  TForm1 = Class(TForm)
    Button1: TButton; ......

delphi Format Type

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Delphi in a Unicode World Part I

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Delphi in a Unicode World Part I: What is Unicode, Why do you need
it, and How do you work with it in Delphi?
By: Nick
Hodges
Ô­ÎÄÁ´½Ó£ºhttp://dn.codegear.com/article/38437
Abstract: This article discusses Unicode, how Delphi developers
can benefit from using Unicode, and ho ......

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