Some links to articles on how COM and LPT ports are stored in the registry
Posted by jpluimers on 2013/04/18
Link clearance, mostly centered around “HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Ports” and “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\DOS Devices“:
- Ghostscript, RedMon and Windows NT.
- Session Manager Subsystem – Wikipedia, the free encyclopedia.
- REG: CurrentControlSet Entries PART 2: SessionManager.
- Chapter 19: Introduction to HKEY_LOCAL_MACHINE\System and HKEY_CURRENT_CONFIG for Windows XP Registry.
- HP Communities – 3200m under Win2K Terminal Server – Enterprise Business Community.
- Repeated New Hardware Wizard Printer Detection – Windows-XP-General-Discussion – Windows-XP.
- Printer Hardware detected – Geeks to Go Forums.
- file – Printing to LPT1 in C# – Stack Overflow.
- c# – get list of printer ports – Stack Overflow.
- Retrieve list of available printer ports – C# – Source Code | DreamInCode.net.
- SerialPort.GetPortNames Method (System.IO.Ports). (it uses those registry keys)
- winapi – Enumerating a List of systems Com Ports in Delphi – Stack Overflow.
- Finding available LPT (parallel) ports and addresses in Delphi – Stack Overflow.
- Printer Connected to an LPT Port (Windows Drivers).
- how to get all network printers?? DELPHI.
- What is the best way to scan for COM ports in C#? – Stack Overflow.
- REG: Device Driver Entries, PART 1.
- Silverlight 4 and parallel port – Stack Overflow.
- Adresse von LPT herausfinden – Mikrocontroller.net.
- VMware Communities: LPT ports problem.
- microsoft.public.win2000.printing: Re: registry entry – parallel port.
- c# – Detect if parallel port exists – Stack Overflow.
- Parallel Port Control with C# .NET 2.0 – CodeProject.
- NullifyNetwork – Blog – Opening physical devices with C# dot net: The Missing Bit….
- Parallel Port Control with Delphi: Parallel Port, Delphi, LPTPort, Device Driver.
- [C#] How to programmatically find a COM port by friendly name « DarioSantarelli.Blog(this);.
- BAFO 1284 pritning cable: writing byte to parallel port.
- How do I redirect the LPT1 port to a network printer in Windows 7 – Microsoft Community.
–jeroen
The Wiert Corner - irregular stream of stuff 
ObjectMethodology.com said
Cool list. You’ve been doing quite a bit of low-level stuff these days?
jpluimers said
A while ago actually (blog queue is about 9-12 months full now), and fun.