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WinAPI字符及字符串函数(15)

发布时间: 2008-11-29 09:31:19 作者: liuhuituzi

interface
  uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls;
  type
  TForm1 = class(TForm)
  Button1: TButton;
  Button2: TButton;
  procedure Button1Click(Sender: TObject);
  procedure Button2Click(Sender: TObject);
  end;
  var
  Form1: TForm1;
  implementation
  {$R *.dfm}
  procedure TForm1.Button1Click(Sender: TObject);
  var
  p: PChar;
  begin
  p := '2009';
  p := CharNext(p);
  ShowMessage(p); {009}
  p := '博客';
  p := CharNext(p);
  ShowMessage(p); {客}
  end;
  procedure TForm1.Button2Click(Sender: TObject);
  var
  p,px: PChar;
  begin
  p := '2009';
  px := CharNext(p);
  px := CharNext(px);
  ShowMessage(px); {09}
  px := CharPrev(p, px);
  px := CharPrev(p, px);
  ShowMessage(px); {2009}
  end;
  end.

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