function GetResourceData(lpName, lpType: PChar; var dwResSize: DWORD): Pointer;
var
  hResInfo, hResData: HRSRC;
  OldProtect: Cardinal;
  lpBuffer: Pointer;
begin
  Result := nil;
  hResInfo := FindResource(hInstance, lpName, lpType);
  if hResInfo <> 0 then
  begin
    dwResSize := SizeOfResource(hInstance, hResInfo);
    if dwResSize <> 0 then
    begin
      hResData := LoadResource(hInstance, hResInfo);
      if hResData <> 0 then
      begin
        lpBuffer := LockResource(hResData);
        if lpBuffer <> nil then
        begin
          VirtualProtect(lpBuffer, dwResSize, PAGE_EXECUTE_READWRITE, OldProtect);
          Result := lpBuffer;
          UnlockResource(hResData);
        end;
      end;
    end;
  end;
end;