Virtual Serial Port ActiveX Control 6.1 [6.1.0.137]
Released: 4th March, 2008

• Added: PortOpenAppId property, which returns PID (Process IDentifier) of application which currently works with virtual serial port
• Improved: Component's overall stability and speed
• Improved: multi-processors support
• Improved: Baudrate emulation is enhanced greatly
• Fixed: several minor bugs and glitches

Virtual Serial Port ActiveX Control 6.0 [6.0.0.115]
Released: 12th December, 2007

• Improved: Component's overall stability and speed
• Fixed: bug in SetTimeouts method. The method does not bring OnTimeouts event to endless loop now
• Fixed: several minor bugs and glitches

Virtual Serial Port ActiveX Control 6.0 [6.0.0.113]
Released: 27th November, 2007

• Improved stability within all major OS
• Fixed: minor bug in virtual serial port driver installation in Windows 2000
• Fixed: several other bugs and glitches

Virtual Serial Port ActiveX Control 6.0 [6.0.0.112]
Released: 16th November, 2007

• Improved: registration while using Single licenses
• Improved: Component's overall stability and speed
• Fixed: minor bugs and glitches

Virtual Serial Port ActiveX Control 6.0 [6.0.0.107]
Released: 30th October, 2007

• Improved stability within all major OS
• Fixed: work with events in Win 9x
• Fixed: minor bugs and glitches

Virtual Serial Port ActiveX Control 6.0 [6.0.0.103]
Released: 21st August, 2007

• Virtual Serial Port ActiveX and all of its internal drivers are now digitally signed
• Totally re-worked and greatly improved usage samples
• Now supports Windows XP x64 and Vista x64
• Now virtual serial ports are located in "ports" group in Device Manager, thus any software finds our ports
• Improved stability within all major OS
• Added: now you can force setting port settings during the runtime
• Added: ability to manage port access rights
• Added: SetLineControl, SetHandflow, SetChars methods for additional port management
• Added: AppendAccessMask, InsertAccessMask, GetAccessMask, DeleteAccessMask, ClearAccessMask methods to manage port access rights
• Added: RTS, DTR properties
• Improved: Parity, StopBits, Baudrate, ControlHandshake, FlowReplace properties enhanced
• Improved: work of SetBreak method was greatly improved
• Fixed: minor bugs and glitches
• Added: AccessMaskCount property (see manual)

Virtual Serial Port ActiveX Control 5.0 [5.0.8.57]
Released: 9th February, 2007

• Several post-release fixes
• Fixed a tiny glitch with OnBaudrate event
• Quiet registration is now the must for OEM clients

Virtual Serial Port ActiveX Control 5.0 [5.0.8.55]
Released: 22nd December, 2006

• Totally reworked new version that supports Windows Vista
• New property (PortOpenAppPath) was added to easily identify which application opens your virtual serial port
• Increased the number of supported environments/IDEs
• All samples refreshed and improved
• Redistribution process enhanced
• Even better emulation of virtual serial ports introduced
• ActiveX Control stability under all operating systems greatly improved
• Baudrate emulation slightly reworked to better match real serial port analog
• Plenty of minor bugs fixed
• Some minor internal changes in the engine

Virtual Serial Port ActiveX Control 4.5 [4.5.4.90]
Released: 31st August, 2006

• Improved: Component's overall stability
• Fixed: ActiveX Control works correctly under 64-bit operating systems from now on

Virtual Serial Port ActiveX Control 4.5 [4.5.4.87]
Released: 12th July, 2006

• Improved: Now two VSP AX controls could be used under Windows NT4

Virtual Serial Port ActiveX Control 4.5 [4.5.4.85]
Released: 6th July, 2006

• Added: Quiet registration option for OEM license users

Virtual Serial Port ActiveX Control 4.5 [4.5.4.76]
Released: 2nd June, 2006

• Fixed: The program stability issues while removing serial port under Windows 9x

Virtual Serial Port ActiveX Control 4.5 [4.5.3.73]
Released: 20th February, 2006

• Added: New input/output methods: ReadArray and WriteArray
• Added: Parity, Stopbits, Databits, Baudrate, ControlHandShake and FlowReplace properties to check serial port configuration settings
• Added: OnBreak event
• Improved: VB6, VB.Net and C# samples
• Fixed: SetTimeouts method

Virtual Serial Port ActiveX Control 4.2 [4.2.2.54]
Released: 10th January, 2006

• Fixed: Serial port driver for Windows NT4

Virtual Serial Port ActiveX Control 4.2 [4.2.2.52]
Released: 25th November, 2005

• Fixed: Serial ports removing issues

Virtual Serial Port ActiveX Control 4.2 [4.2.2.49]
Released: 21st November, 2005

• Added: New methods ReadStr and WriteStr

Virtual Serial Port ActiveX Control 4.1 [4.1.2.41]
Released: 24th October, 2005

• Fixed: The pool of threads that are waiting for events is decreased. This allows you to create more virtual serial ports in the system

Virtual Serial Port ActiveX Control 4.1 [4.1.2.40]
Released: 4th October, 2005

• EV_ERR and EV_BREAK signals are added to OnEvent

Virtual Serial Port ActiveX Control 4.1 [4.1.2.39]
Released: 19th September, 2005

• Fixed: The problem with OnRxChar event when there is nothing to read from remote port
• Fixed: Microsoft Visual C 6.0/7.0 projects by default will not stop in debug mode

Virtual Serial Port ActiveX Control 4.1 [4.1.2.37]
Released: 8th September, 2005

• All 64-bit Windows OS versions are supported now

Virtual Serial Port ActiveX Control 4.0 [4.0.0.13]
Released: 5th July, 2005

• Fixed: Minor bug in security module
• New: Handle property is now known as HandleControl

Virtual Serial Port ActiveX Control 4.0 [4.0.0.6]
Released: 28th April, 2005

• New: Open method is now known as Attach
• New: isCreated property is introduced
• New: CountVirtualPort property is introduced
• New: SetBreak method is introduced
• New: SetWiring method is introduced
• New: EnumVirtualPort method is introduced

Virtual Serial Port ActiveX Control 3.8 [3.8.5.31]
Released: 6th April, 2005

• Improved: ActiveX Control rewritten using ATL technology
• New: ActiveX Control has been renamed from VSPort.ocx into VSPort.dll
• New: Open method is now known as Attach
• New: GetIsOpened method is now known as IsOpened
• New: GetInCount method is now known as InCount
• New: GetHandle method is now known as Handle
• Improved: VB.Net and C# can now read/write the whole array of data
• New samples of using VSP ActiveX Control in console applications added for VC6 and VC.Net

Virtual Serial Port ActiveX Control 3.6 [3.6.5.10]
Released: 17th February, 2005

• Improved: Events management scheme
• Added: New threads pool which works with events to speed it up

Virtual Serial Port ActiveX Control 3.5 [3.5.0.21]
Released: 1st December, 2004

• Added: Full baudrate emulation support (for Windows 2000 and XP)
• Improved: Multiple core enhancements
• Improved: VSP AX examples

Virtual Serial Port ActiveX Control 3.0 [3.0.3.65]
Released: 17th October, 2004

• Improved: Operating system support
• Improved: Open method handling
• Added: New examples

Virtual Serial Port ActiveX Control 2.52 [2.52.0.99]
Released: 12th June, 2004

• Added: SetTimeouts method
• Changed: Create method is known as CreatePort for better compatibility with Delphi

Virtual Serial Port ActiveX Control 2.51 [2.51.8.4]
Released: 30th May, 2004

• Added: Support for Microsoft Windows NT4