[delphi] OCX 등록 및 해제

[delphi] OCX 등록 및 해제

// (COM Server) OCX 등록 및 해제 

// usage:

// RegOCX('C:\Test.ocx');

unit ocxUtils; 

interface 

uses 

  Windows, SysUtils, ComObj; 

procedure RegOCX(const DLLName: string); 

procedure UnRegOCX(const DLLName: string); 

implementation 

procedure RegOCX(const DLLName: string); 

begin 

if FileExists(DLLName) then

RegisterComServer(DLLName); 

end; 

procedure UnRegOCX(const DLLName: string); 

type 

  TRegProc = function: HResult; stdcall; 

const 

  RegProcName = 'DllUnregisterServer'; 

var 

  Handle: THandle; 

  RegProc: TRegProc; 

begin 

  Handle := SafeLoadLibrary(DLLName); 

  if Handle <= HINSTANCE_ERROR then 

    raise Exception.CreateFmt('%s: %s', [SysErrorMessage(GetLastError), DLLName]); 

  try 

    RegProc := GetProcAddress(Handle, RegProcName); 

    if Assigned(RegProc) then OleCheck(RegProc) else RaiseLastOSError; 

  finally 

    FreeLibrary(Handle); 

  end; 

end; 

end.

--------------------------------------------------------------
// DLL 레지스트리에 등록
// DllRegisterServer 함수 : Olectl.h
// DllUnregisterServer 함수 참조 

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
var
  OCXHand: THandle;
begin
  OCXHand:=LoadLibrary('c:\windows\system\test.ocx');
  if (GetProcAddress(OCXHand, 'DllRegisterServer')<>nil) then
    ShowMessage('Error!');
  FreeLibrary(OCXHand);
end;

end.