Помещение формы в DLL

library Formdll;

uses

  SysUtils,
  Forms,
  Formdllu in 'FORMDLLU.PAS' {Form1};

function CreateTheForm: Pointer; export;
begin

  Result := TForm1.Create(nil);
end;

procedure LoadTheForm(P: Pointer; S1, S2, S3: PChar); export;
begin

  with TForm1(P) do
  begin
    Edit1.Text := StrPas(S1);
    Edit2.Text := StrPas(S2);
    Edit3.Text := StrPas(S3);
  end;
end;

function ShowTheForm(P: Pointer): Boolean; export;
const
  mrOK = 1;
begin

  Result := TForm1(P).ShowModal = mrOK;
end;

procedure ReadTheForm(P: Pointer; S1, S2, S3: PChar); export;
begin

  with TForm1(P) do
  begin
    StrPCopy(S1, Edit1.Text);
    StrPCopy(S2, Edit2.Text);
    StrPCopy(S3, Edit3.Text);
  end;
end;

procedure DestroyTheForm(P: Pointer); export;
begin

  TForm1(P).Free;
end;

exports

  CreateTheForm INDEX 1,
  LoadTheForm INDEX 2,
  ReadTheForm INDEX 3,
  ShowTheForm INDEX 4,
  DestroyTheForm INDEX 5;

begin
end.