How to register an OCX

Windows with Delphi
Windows API (94)
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Un-registering an OLE server

How to register an OCX

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Your installation program needs to register an OCX, but doesn't support this? Or you want to
register it by your program yourself?

Suppose the OCX you want to use is called Test.ocx

program RegisterMyOCX;
uses
  OLECtl, Windows, Dialogs;
var
  OCXHand: THandle;
  RegFunc: TDllRegisterServer;   //add  to the uses clause
begin
  OCXHand:= LoadLibrary('c:\windows\system\test.ocx');
  RegFunc:= GetProcAddress(OCXHand, 'DllRegisterServer');  //case sensitive
  if RegFunc <> 0 then 
    RegFunc
  else
    ShowMessage('Error!')
  FreeLibrary(OCXHand);

  // You can the same way unregister the OCX: 
  // replace 'DllRegisterServer' by 'DllUnregisterServer'
end.

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