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WinAPI字符及字符串函数(12)

发布时间: 2008-11-26 08:38:04 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;
  buf: array[0..255] of Char;
  n1,n2: Integer;
  begin
  p := 'Delphi';
  buf := 'Delphi';
  n1 := lstrlen(p);
  n2 := lstrlen(buf);
  ShowMessageFmt('%d,%d', [n1,n2]); {6,6}
  end;
  procedure TForm1.Button2Click(Sender: TObject);
  var
  n1,n2: Integer;
  begin
  n1 := lstrlenA('万一的 Delphi 博客');
  n2 := lstrlenW('万一的 Delphi 博客');
  ShowMessageFmt('%d,%d', [n1,n2]); {18,13}
  end;
  end.


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