Mega Code Archive
How to register or unregister a OCXActiveX
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Title: How to register or unregister a OCX/ActiveX
{1.}
type
TDllRegisterServer = function: HResult; stdcall;
function RegisterOCX(FileName: string): Boolean;
var
OCXHand: THandle;
RegFunc: TDllRegisterServer;
begin
OCXHand := LoadLibrary(PChar(FileName));
RegFunc := GetProcAddress(OCXHand, 'DllRegisterServer');
if @RegFunc nil then
Result := RegFunc = S_OK
else
Result := False;
FreeLibrary(OCXHand);
end;
function UnRegisterOCX(FileName: string): Boolean;
var
OCXHand: THandle;
RegFunc: TDllRegisterServer;
begin
OCXHand := LoadLibrary(PChar(FileName));
RegFunc := GetProcAddress(OCXHand, 'DllUnregisterServer');
if @RegFunc nil then
Result := RegFunc = S_OK
else
Result := False;
FreeLibrary(OCXHand);
end;
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{2.}
function RegisterServer(const aDllFileName: string; aRegister: Boolean): Boolean;
type
TRegProc = function: HResult;
stdcall;
const
cRegFuncNameArr: array [Boolean] of PChar =
('DllUnregisterServer', 'DllRegisterServer');
var
vLibHandle: THandle;
vRegProc: TRegProc;
begin
Result := False;
vLibHandle := LoadLibrary(PChar(aDllFileName));
if vLibHandle = 0 then Exit;
@vRegProc := GetProcAddress(vLibHandle, cRegFuncNameArr[aRegister]);
if @vRegProc nil then
Result := vRegProc = S_OK;
FreeLibrary(vLibHandle);
end;
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