Delphi调用WinAPI 字符及字符串函数(10)

lstrcpy - 复制字符串

unit Unit1;

interface
uses
　Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
　Dialogs, StdCtrls;
type
　TForm1 = class(TForm)
　　Button1: TButton;
　　Button2: TButton;
　　Button3: TButton;
　　procedure Button1Click(Sender: TObject);
　　procedure Button2Click(Sender: TObject);
　　procedure Button3Click(Sender: TObject);
　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);
　ShowMessage(buf); {万一的 Delphi 博客}
end;

end.