Programming VCOMM FAQ

Common topics about VCOMM port drivers for Microsoft Windows

This FAQ about Programming VCOMM was compiled and written by nelson@desktop.nsc.com (Taed Nelson) with numerous contributions by others.

2.0: General

3.0: Authors

4.0: Copyright and Disclaimer

6.1: Microsoft

6.2: Online

6.3: Printed

6.4: Software Tools

6.5: Other

7.1: Serial.vxd Source Won't Compile

7.2: Port.inf file

7.4: No Logical Resources

7.5: Logical Memory Resources

7.6: Init Order

7.7: Virtual Modems and Printers

7.8: Point-to-Point Protocol (PPP)

7.9: How to Monitor or Intercept COMM Data Traffic

7.10: HyperTerminal Function Trace

7.11: Blockable Functions

7.12: Support for DOS Applications

8.1: HyperTerminal Closes the Port Unexpectedly

8.2: HyperTerminal Zmodem Protocol Fails

8.3: HyperTerminal Allocates No Buffers

8.4: HyperTerminal can't work at high DTE speed

8.5: Control Panel | Modems | More Info...

9.1: PortOpen Causes VCOMM to Crash

9.2: Illegal Baud Rate Indexes

9.3: RxCallback does not preserve EBX.

10.0: Documentation Issues

10.1: CommNotifyProc

10.2: CommTimeouts

10.3: PortEscapeFunction

10.4: PortGetCommConfig and PortSetCommConfig

10.5: PortGetEventMask

10.6: PortGetWin32Error

10.7: PortSetModemStatusShadow

10.8: VCOMM_Map_Win32DCB_To_Ring0 and VCOMM_Map_Ring0DCB_To_Win32

10.9: _PortData Structure

10.10: Other Structures

10.11: Terminology

11.0: VtoolsD Vcomm Class

11.1: General

11.2: Documentation Errors

11.3: PortOpen Errors

11.4: Contention Management Errors

11.5: Other Errors

11.6: Makefiles and #defines

Headaches Begone! A Systemic Approach To Healing Your Headaches

Don't Let Your Bike Seat Ruin Your Sex Life Book