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• • Improved: synchronization of data transmission between virtual ports. Helps achieve lossless data transmission and avoid system hanging.
  • Improved: virtual ports creation now consumes less CPU resources, which is very convenient when using Virtual Serial Port ActiveX Control on notebook processors.
  • Improved: virtual ports (created by applications with Virtual Serial Port AX embedded) are not displayed in "Devices and Printers" list by default. Special command should be used to enable virtual ports display.
  • Improved: OnRxChar event handling.
  • Fixed: hanging of data transmission on multicore systems caused by incorrect synchronization of virtual ports
  • Fixed: hanging of application with Virtual Serial Port ActiveX Control embedded in case virtual port was opened with flow control set to RTS/CTS
  • Fixed: inaccessibility of real ports when virtual ports with the same names (serial ports overlapping) were deleted on Windows 7
  • Fixed: application crash at opening virtual port several times in a second. Now serial port statistics synchronization is much improved.

]]> http://www.eltima.com/products/vspax/ 2011-10-31 14:46:15 http://www.eltima.com/products/vspax/ Build: 7.0.221

• Added: full Windows 7 support
• Added: 64-bit version of Virtual Serial Port ActiveX Control
• Added: the IDE restart is not required after registration of Virtual Serial Port ActiveX Control is completed
• Update: Windows 9x support is available now in OEM version upon your request only
• Improved: detection by vspdxp_install.exe of its working directory on clients' computers
• Improved: drivers stability
• Fixed: BSOD when virtual serial port is opened with strict baud rate value less than 8 Bd
• Fixed: data distortion during transmission on multicore systems
• Fixed: multicore system freezing during data transmission with Xon/Xoff or Hardware Flow Control enabled
• Fixed: hanging of application with embedded VSP ActiveX Control when trying to invoke "Open" dialog box
• Fixed: several issues with license compliance check

]]> http://www.eltima.com/products/vspax/ 2010-11-01 10:48:00 http://www.eltima.com/products/vspax/ Build: 6.2.0.142

• Added: Windows Server 2008 support
• Added: re-naming full port names in Device Manager (see manual for details)
• Improved: our drivers successfully passed Microsoft Windows Hardware Quality Labs (WHQL) tests and are digitally signed by Microsoft now
• Improved: overall stability
• Fixed: minor bugs in samples source code
• Fixed: uninstallation procedure in Windows NT4
• Fixed: several minor bugs and glitches

]]> http://www.eltima.com/products/vspax/ 2008-05-30 00:00:00 http://www.eltima.com/products/vspax/ Build: 6.1.0.137

• 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

]]> http://www.eltima.com/products/vspax/ 2008-03-04 00:00:00 http://www.eltima.com/products/vspax/ Build: 6.0.0.115

• 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

]]> http://www.eltima.com/products/vspax/ 2007-12-12 00:00:00 http://www.eltima.com/products/vspax/ Build: 6.0.0.113

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

]]> http://www.eltima.com/products/vspax/ 2007-11-27 00:00:00 http://www.eltima.com/products/vspax/ Build: 6.0.0.112

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

]]> http://www.eltima.com/products/vspax/ 2007-11-16 00:00:00 http://www.eltima.com/products/vspax/ Build: 6.0.0.107

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

]]> http://www.eltima.com/products/vspax/ 2007-10-30 00:00:00 http://www.eltima.com/products/vspax/ Build: 6.0.0.103

• 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)

]]> http://www.eltima.com/products/vspax/ 2007-08-21 00:00:00 http://www.eltima.com/products/vspax/ Build: 5.0.8.57

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

]]> http://www.eltima.com/products/vspax/ 2007-02-09 00:00:00 http://www.eltima.com/products/vspax/ Build: 5.0.8.55

• 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

]]> http://www.eltima.com/products/vspax/ 2006-12-22 00:00:00 http://www.eltima.com/products/vspax/ Build: 4.5.4.90

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

]]> http://www.eltima.com/products/vspax/ 2006-08-31 00:00:00 http://www.eltima.com/products/vspax/ Build: 4.5.4.87

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

]]> http://www.eltima.com/products/vspax/ 2006-07-12 00:00:00 http://www.eltima.com/products/vspax/ Build: 4.5.4.85

• Added: Quiet registration option for OEM license users

]]> http://www.eltima.com/products/vspax/ 2006-07-06 00:00:00 http://www.eltima.com/products/vspax/ Build: 4.5.4.76

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

]]> http://www.eltima.com/products/vspax/ 2006-06-02 00:00:00 http://www.eltima.com/products/vspax/ Build: 4.5.3.73

• 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

]]> http://www.eltima.com/products/vspax/ 2006-02-20 00:00:00 http://www.eltima.com/products/vspax/ Build: 4.2.2.54

• Fixed: Serial port driver for Windows NT4

]]> http://www.eltima.com/products/vspax/ 2006-01-10 00:00:00 http://www.eltima.com/products/vspax/ Build: 4.2.2.52

• Fixed: Serial ports removing issues

]]> http://www.eltima.com/products/vspax/ 2005-11-25 00:00:00 http://www.eltima.com/products/vspax/ Build: 4.2.2.49

• Added: New methods ReadStr and WriteStr

]]> http://www.eltima.com/products/vspax/ 2005-11-21 00:00:00 http://www.eltima.com/products/vspax/ Build: 4.1.2.41

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

]]> http://www.eltima.com/products/vspax/ 2005-10-24 00:00:00