Leer Dll desde delphi 2009

[IVAND]

Como siempre gracias por tu tiempo ,esta echa en net

cuando la importo desde delphi pense que se mostrarian todas las funciones pero no sale nada , las importo como import net assembly
despues le pongo que me cree una unidad y me pone esto

Código Delphi [-]
unit CajaPOSDF_TLB;

// ************************************************************************ //
// WARNING                                                                    
// -------                                                                    
// The types declared in this file were generated from data read from a       
// Type Library. If this type library is explicitly or indirectly (via        
// another type library referring to this type library) re-imported, or the   
// 'Refresh' command of the Type Library Editor activated while editing the   
// Type Library, the contents of this file will be regenerated and all        
// manual modifications will be lost.                                         
// ************************************************************************ //

// $Rev: 17252 $
// File generated on 09/03/2022 12:06:33 from Type Library described below.

// ************************************************************************  //
// Type Lib: C:\datafast_library\CajaPOSDF.dll (1)
// LIBID: {33F8E13E-DE33-4B40-96C7-C7E8B8DC1EEE}
// LCID: 0
// Helpfile: 
// HelpString: Librer�a CajaPOS de Datafast
// DepndLst: 
//   (1) v2.0 stdole, (C:\Windows\SysWOW64\stdole2.tlb)
// ************************************************************************ //
{$TYPEDADDRESS OFF} // Unit must be compiled without type-checked pointers. 
{$WARN SYMBOL_PLATFORM OFF}
{$WRITEABLECONST ON}
{$VARPROPSETTER ON}
{$ALIGN 4}
interface

uses Windows, ActiveX, Classes, Graphics, StdVCL, Variants;
  

// *********************************************************************//
// GUIDS declared in the TypeLibrary. Following prefixes are used:        
//   Type Libraries     : LIBID_xxxx                                      
//   CoClasses          : CLASS_xxxx                                      
//   DISPInterfaces     : DIID_xxxx                                       
//   Non-DISP interfaces: IID_xxxx                                        
// *********************************************************************//
const
  // TypeLibrary Major and minor versions
  CajaPOSDFMajorVersion = 1;
  CajaPOSDFMinorVersion = 0;

  LIBID_CajaPOSDF: TGUID = '{33F8E13E-DE33-4B40-96C7-C7E8B8DC1EEE}';


implementation

uses ComObj;

end.

pense que se debia mostrar ahi las funciones de las libreiras o algo estoy haciendo mal

Gracias