Вывести информацию о пакете

program
 PkgInfo;

uses

  Forms,
  Dialogs,
  SysUtils,
  PkgMain in
 'PkgMain.pas' {PackInfoForm};

{$R *.RES}

var

  OpenDialog: TOpenDialog;
begin

  if
 (ParamCount > 0) and
 FileExists(ParamStr(1)) then

    PkgName := ParamStr(1)
  else

  begin

    OpenDialog := TOpenDialog.Create(Application);
    OpenDialog.DefaultExt := '*.bpl';
    OpenDialog.Filter := 'Packages (*.bpl)|*.bpl|Delphi 3 Packages ' +
      '(*.dpl)|*.dpl';
    if
 OpenDialog.Execute then

      PkgName := OpenDialog.FileName;
  end
;
  if
 PkgName <> '' then

  begin

    Application.Initialize;
    Application.CreateForm(TPackInfoForm, PackInfoForm);
    Application.Run;
  end
;
end
.

unit
 PkgMain;

interface


uses

  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, ExtCtrls;

type

  TPackInfoForm = class
(TForm)
    GroupBox1: TGroupBox;
    DsgnPkg: TCheckBox;
    RunPkg: TCheckBox;
    BuildCtl: TRadioGroup;
    GroupBox2: TGroupBox;
    GroupBox3: TGroupBox;
    Button1: TButton;
    Label1: TLabel;
    DescEd: TEdit;
    memContains: TMemo;
    memRequires: TMemo;
    procedure
 FormCreate(Sender: TObject);
    procedure
 Button1Click(Sender: TObject);
  end
;

var

  PackInfoForm: TPackInfoForm;
  PkgName: string
; // This is assigned in project file

implementation


{$R *.DFM}

procedure
 PackageInfoCallback(const
 Name: string
; NameType: TNameType;
  Flags: Byte; Param: Pointer);
var

  AddName: string
;
  Memo: TMemo;
begin

  Assert(Param <> nil
);
  AddName := Name;
  case
 NameType of

    ntContainsUnit: Memo := TPackInfoForm(Param).memContains;
    ntRequiresPackage: Memo := TPackInfoForm(Param).memRequires;
  else

    Memo := nil
;
  end
;
  if
 (Memo <> nil
) then

  begin

    if
 Memo.Text <> '' then

      AddName := ', ' + AddName;
    Memo.Text := Memo.Text + AddName;
  end
;
end
;

procedure
 TPackInfoForm.FormCreate(Sender: TObject);
var

  PackMod: HMODULE;
  Flags: Integer;
begin

  // Since we only need to get into the package's resources,
  // LoadLibraryEx with LOAD_LIBRARY_AS_DATAFILE provides a speed-
  // efficient means for loading the package.
  PackMod := LoadLibraryEx(PChar(PkgName), 0, LOAD_LIBRARY_AS_DATAFILE);
  if
 PackMod = 0 then

    Exit;
  try

    GetPackageInfo(PackMod, Pointer(Self), Flags, PackageInfoCallback);
  finally

    FreeLibrary(PackMod);
  end
;
  Caption := 'Package Info: ' + ExtractFileName(PkgName);
  DsgnPkg.Checked := Flags and
 pfDesignOnly <> 0;
  RunPkg.Checked := Flags and
 pfRunOnly <> 0;
  if
 Flags and
 pfNeverBuild <> 0 then

    BuildCtl.ItemIndex := 1;
  DescEd.Text := GetPackageDescription(PChar(PkgName));
end
;

procedure
 TPackInfoForm.Button1Click(Sender: TObject);
begin

  Close;
end
;

end
.

Другое по теме:

• Надо подключить DLL и использовать некоторые ее функции
• DLL - убийственная утилита
• DLL и ресурсы