첨부된 파일을 델파이에서 사용 하려고 합니다.

lkif.dll 을 어떻게 붙어야 할지 감이 안옵니다.

조언 부탁드립니다.






unit fMain;

interface

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

type
  LKIF_FLOATRESULT = (LKIF_FLOATRESULT_VALID,                                // valid data
                      LKIF_FLOATRESULT_RANGEOVER_P,                        // over range at positive (+) side
                      LKIF_FLOATRESULT_RANGEOVER_N,                        // over range at negative (-) side
                      LKIF_FLOATRESULT_WAITING);                            // comparator result
type LKIF_FLOATVALUE = record
      x_FloatResult : LKIF_FLOATRESULT;                  //' valid or invalid data
      x_Value       : Double;                           //' measurement value during LKIF_FLOATRESULT_VALID.
end;

type
  TfrmMain = class(TForm)
    Label1: TLabel;
    lblValue: TLabel;
    Button1: TButton;
    Timer1: TTimer;
    btnSnap: TButton;
    btnClose: TButton;
    Label2: TLabel;
    Label3: TLabel;
    procedure FormShow(Sender: TObject);
    procedure btnCloseClick(Sender: TObject);
    procedure btnSnapClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
    first  : LKIF_FLOATRESULT;
    second : Extended;
  end;
   function LKIF_GetCalcData(CalcData1:LKIF_FLOATVALUE;CalcData2:LKIF_FLOATVALUE):longint;stdcall;external 'LkIF.dll';

var
  frmMain: TfrmMain;


implementation


  procedure Th(FloatResult : LKIF_FLOATRESULT;
                   Value       : Extended); cdecl; external 'LkIF.DLL';

{$R *.dfm}

procedure TfrmMain.btnSnapClick(Sender: TObject);
  type TLongIntFunc=function(CalcData1:LKIF_FLOATVALUE;CalcData2:LKIF_FLOATVALUE):longint;stdcall;
var
   Th         : Thandle;// TLongIntFunc;
   Tf         : TLongIntFunc;
   Tp         : TFarProc;
   CalcData1  :LKIF_FLOATVALUE;
   CalcData2  :LKIF_FLOATVALUE;
begin
  Th :=  LoadLibrary('LkIF.dll');
  if Th>0 then
    try
     Tp := GetProcAddress(Th , PChar('LKIF_GetCalcData'));
     if Tp <> nil  then
     begin
       try
         Tf := @TLongIntFunc(Tp);
         If Tf(CalcData1,CalcData2)=1 Then
         If LKIF_GetCalcData(CalcData1,CalcData2)=1 Then
         begin
            If CalcData1.x_FloatResult=LKIF_FLOATRESULT_VALID Then label2.Caption:=format('''%s''',[CalcData1.x_Value]);
            If CalcData2.x_FloatResult=LKIF_FLOATRESULT_VALID Then label3.Caption:=format('''%s''',[CalcData1.x_Value]);
         end
       Else
         showmessage('LKIF_GetCalcData terminated abnormally.');
       except
         raise ;
       end;
     end
     else
       ShowMessage('TestC');
    Finally
      FreeLibrary(Th);
    end
    else
  ShowMessage('LkIF.dll');
end;

end.