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澳门新莆京app官网:WinAPI 字符及字符串函数(10) lstrcpy复制字符串



unit Unit1;

interface

uses

Windows, Messages, SysUtils, Variants,澳门新莆京app官网 Classes, Graphics, Controls, Forms,

Dialogs, StdCtrls;

type

TForm1 = class(TForm)澳门新莆京app官网

Button1: TButton;

Button2: TButton;

Button3: TButton;

procedu澳门新莆京app官网re Button1Click(Sender: TObject);

procedure Button2Click(Sender: TObject);

procedure Button3Click(Sender: TObjec澳门新莆京app官网t);

end;

var

Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);

var

p,p1: PChar;

begin

p1 := 'Delphi';

GetMem(p, 256);

lstrcpy(p, p1);

ShowMessage(p); {Delphi}

FreeMem(p);

end;

procedure TForm1.Button2Click(Sender: TObject);

var

p,p1,p2: PChar;

begin

p1 := 'Delphi';

p2 := '2009';

p := StrAlloc(256);

lstrcpy(p, p1);

lstrcpy(p, p2);

ShowMessage(p); {2009}

StrDispose(p);

end;

procedure TForm1.Button3Click(Sender: TObject);

var

p: PChar;

buf: array[0..255] of Char;

begin

p := '万一的 Delphi 博客';

lstrcpy(buf, p);

ShowMes澳门新莆京app官网sage(buf); {万一的 Delphi 博客}

end;

end.

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