WinAPI 字符及字符串函数(9): lstrcat

unit Unit1;

interface

uses

  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

  Dialogs, StdCtrls;

type

  TForm1 = class(TForm)

    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}

procedure TForm1.Button1Click(Sender: TObject);

var

  p,p1,p2: PChar;

begin

  p1 := 'Delphi';

  p2 := '2009';

  GetMem(p, );

  p^ := #0;

  lstrcat(p, p1);

  lstrcat(p, ' ');

  lstrcat(p, p2);

  ShowMessage(p); {Delphi 2009}

  FreeMem(p);

end;

procedure TForm1.Button2Click(Sender: TObject);

var

  p1,p2: PChar;

  buf: array[..] of Char;

begin

  p1 := 'Delphi';

  p2 := '2009';

  FillChar(buf, Length(buf), #0);

  lstrcat(buf, p1);

  lstrcat(buf, ' ');

  lstrcat(buf, p2);

  ShowMessage(buf); {Delphi 2009}

end;

procedure TForm1.Button3Click(Sender: TObject);

var

  p,p1,p2: PChar;

begin

  p1 := 'Delphi';

  p2 := '2009';

  p := GetMemory();

  lstrcpy(p, p1);

  lstrcat(p, ' ');

  lstrcat(p, p2);

  ShowMessage(p); {Delphi 2009}

  FreeMemory(p);

end;

var

  buf: array[..] of Char;

procedure TForm1.Button4Click(Sender: TObject);

var

  p1,p2: PChar;

begin

  p1 := '万一的 ';

  p2 := 'Delphi 博客';

  lstrcat(buf, p1);

  lstrcat(buf, p2);

  ShowMessage(buf); {万一的 Delphi 博客}

end;

end.
巴特西

WinAPI 字符及字符串函数(9): lstrcat - 合并字符串

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