***********************************************
***     SmartGraph3 change history
***********************************************
2019/09/03
Version 3.4.5
* bug fix exception when changing diagram background color

2019/06/19
Version 3.4.4
* bug fix SmartGraph3 API - program crash when closing program on windows 7

2018/10/25
Version 3.4.3
* bug fix server name for client/server installation (client side)

2017/11/24
Version 3.4.1
* new handheld device type

2017/05/10
Version 3.4.0
* Bug Fix: „Device Description“ in Export Header
* „Demo Logger“ now of type Opus20 
* support additional device types

2016/02/05
Version 3.3.3
* improved handling for measurement errors reported by handheld device

2016/01/29
Version 3.3.2
bug fix:
* date/time in export would always show in UTC even if "local time" was configured

2016/01/22
Version 3.3.1
bug fixes:
* printing: fixed problem with under some circumstances missing statistics output
* improved hiding "empty" background window
* supress microseconds in measure value timestamps (might have caused data in table and export from different devices not being aligned properly)
* fixed problem which might cause a program crash when de-activating auto poll (on communication errors)


2016/01/08
Version 3.3.0
* printing: document title over complete page width, with word wrap to 2 lines
* printing: saving document title for view/page/diagram/table
* printing: print sigle diagram "full page"
* user management: optional restriction of devices per user
* user management: saving various settings "per user"

2015/10/20
Version 3.2.1
* bug fix - table not visible under some circumstances 
after re-sizing window

2015/05/19
Version 3.2.0
* save/load binary device configuration for Networklogger
  allows copying complete device configuration
* updated online manual
* improved checking min/max values for y-axis (fixed range)

2015/02/23
Version 3.1.0
* spanish language support

2015/02/19
Version 3.0.5
* bug fix: handling USB devices without firmware

2014/12/03
Version 3.0.4
* bug fix: show change history on software update
* support for new handheld device type "ClimMate"

2014/12/01
Version 3.0.3
* bug fix: display values in diagram after program start

2014/11/26
Version 3.0.2
* bug fix: exception when opening settings/program

2014/11/25
Version 3.0.1
* adjusted channel assignment for oil moisture
* improved error handling on corrupt/incomplete device data

2014/11/22
Version 3.0.0
* new setup 
* optional background service / server operation (setup option)
* optional user management
* fixed serial number sequence for handheld devices
* fixed configuration dialog "display line" settings
* integrated french and dutch language support

2014/09/08
Version 2.6.8
* Support for new handheld devices XP100, XP200 and XP400
* Turkish language support

2014/06/05
Version 2.6.3
* Support for new handheld device "Pall WS19D"

2014/06/02
Version 2.6.2
* Additional channels for moisture in oil
* number of decimals editable for all device types

2014/04/17
Version 2.6.1
* Additional CO2 channel

2014/03/31
Version 2.6.0
* Support for new handeld devices (XC2xx)
* added local altitude to device settings printout
* removed "unkown device" from status window when reading configuration from a known device 

2014/01/09
Version 2.5.1
* Support for devices with project nr. 0x1308

2013/10/07
Version 2.5.0
* Support for handheld device (XA1000)
* new units "W/m²" and "Lux"


2013/04/28
Version 2.4.100
* fixed problem reading device configuration for network data logger with more than 3 external sensors

2013/03/05
Version 2.4.0
* show only table data (hide toolbar and menu etc.) if window (height) is very small

2012/12/18
Version 2.3.3
* Device configuration: only enable "read stored data" in autopoll if storing is active
* fixed problem with updating new data in diagram/table after config change

2012/12/13
Version 2.3.2
* corrected channel selection display when preset is for °C and °F channels are active
* improved channel list update after configuration change
* optimized handling (after config change) for channels not shown in diagram


2012/11/21
Version 2.3.1
Bug Fixes:
* display selected linestyle after changing color settings
* some changes to label texts


2012/10/28
Version 2.3.0
Bug Fixes:
* fixed problem when closing password dialog for user offset
* fixed problem moving files when changing data directory
Enhancements:
* always verify current firmware version before updating device firmware
* prompt user to display new sensor channels after device configuration change
* moved protocol data file to machine specific path


2012/09/14
Version 2.2.12
Bug Fixes:
fixed problem with auto poll for multiple devices

2012/07/10
Version 2.2.6
Enhancements:
* improved table scrolling via slider
* user notification on device configuration dialog when auto-poll is active


2012/07/10
Version 2.2.5
Enhancements:
* improved daybreak calculation for x-axis grid


2012/07/09
Version 2.2.4
Enhancements:
* changed default table height (for new views)
* show daybreak in x-axis grid (if x-axis segments are smaller than 1 day)


2012/07/04
Version 2.2.3
Bug Fixes:
* Fixed Problem with context menus not showing proper values for "checkbox" menu items after restoring a snapshot or undo/redo.

Enhancements:
* store settings for "synchronize diagrams" and "show slider" in snapshots
* added "show slider" settings to view configuration dialog


2012/07/03
Version 2.2.2
Bug Fixes:
* fixed problem in undo (possible application crash)

2012/07/03
Version 2.2.1
Enhancements:
* improved undo/redo
* move X-Axis and X-Axis grid lines with curves
* reset slider when changing selected time interval


2012/07/02
Version 2.2.0
Enhancements:
* Slider/Cursor over diagrams
* move curves in diagrams when "dragging" diagram with mouse 



2012/06/21
Version 2.1.0
Bug Fixes:
* Update Treeview for view when a snapshot is restored

Enhancements:
* hide diagrams in views
* Undo/Redo per view
* undo/redo for snapshot actions


2012/06/19
Version 2.0.0

Bug Fixes:
* fixed problem with storing measure values after deleting and re-adding a device


Enhancements:
* select/Unselect all devices on "poll device" dialog
* add all new network devices on "add network device" dialog
* Snapshots for Views
* Freely configurable User-Views
* PageUp/Down keys now operate on table even if table does not have the focus
* improved "Select Active Sensor Channels" Dialog
* default Y-Axis scale (0..1) if there are no or no valid values in displayed time range



2012/05/30
Version 1.3.11
* minimum default height for table (so table caption is always visible)
* new default settings for new table (new page) so table is visible


2012/05/29
Version 1.3.10
Bug Fixes:
* fixed problem for missing underlines when displaying names in some dialogs

Enhancements:
* new program setting parameter "Autopoll error limit"
* automatic download/update for network-logger device firmware
* automatic check for software update not on every start (minimum 24 hours time difference)

2012/05/16
Version 1.3.9
Enhancements:
* user specific data path is now stored on a per-user basis in the registry
* changed setup procedure (internals) / optional customer specific setup


2012/05/07
Version 1.3.8
Enhancements:
* synchronized horizontal scrolling for measurement and statistics table
* show only one horizontal scroll bar for measurement and statistics table (if both are shown)
* optimizes statistic table height (priority on showing statistics table)
* save settings for table size for each data display page
* save settings for table visibility for each data display page


2012/05/04
Version 1.3.7
Bug Fixes:
* fixed problem with deleting a device after reading measure values
* do not allow to delete a device while it is busy


2012/05/02
Version 1.3.6
Bug Fixes:
* fixed "application hanging" when invalid start/end datetimes for data view were configured
Enhancements
* added EULA


2012/04/27
Version 1.3.5
Enhancements:
* pre-select correct y-axis when opening view configuration dialog via "y-axis settings" or "curve settings" 
* change selected y-axis when selecting different curve in view configuration dialog
* change selected curve when selecting different y-axis in view configuration dialog
* optionally show statistical values in table
* optionally include statistical values in print output



2012/04/23
Version 1.3.4
Bug Fixes:
* fixed crash wenn opening diagram settings dialog


2012/04/23
Version 1.3.3
Bug Fixes:
* fixed line style assignment when creating default views for device
* fixed context menu command "Only Show Sensors From Selected Diagram" in Table
* fixed problem with "lost sensor assignments" in diagrams
* fixed problem with crashing application after processing configuration change

Enhancements:
* x-axis month/quater labels translated (language depended)
* x-axis scale label: added day if hours are displayed over more than one day
* diagrams in one page now always show same number of y-axis (using dummy y-axis if needed)




2012/04/12
Version 1.3.2
Bug Fixes:
* data not being displayed in diagram/table if last available sensor value is an error value


2012/03/27
Version 1.3.1
Bug Fixes:
* improved problem "The process cannot access the file ....because it is being used by another process" when writing measure data to "Datastore"

2012/03/21
Version 1.3.0
Enhancements:
* Undo/Redo for all navigation actions
* selecting a time interval (hour/day/week/month/year): if the current time interval includes the newest/current data, the new time interval will be calculated "around" the newest data instead of the "middle" of the current time interval.
* improved thread synchronisation 
* improved performance "data storage"
* SOAP interface "SmartGraph3API"




2012/02/22
Version 1.2.0
Bug Fixes:
* delete device data if max. backup dirs is 0

Enhancements:
* performance improvements 


2012/02/17
Version 1.1.8
Bug Fixes:
* improved crash under windows XP with error message "Value cannot be null. Parameter: d" 
* improved crash under windows XP with error message "DialogResult can be set only after Window is created and shown as dialog" 

Enhancements:
* name of source sensor channels in external sensor configuration now matches "description"
* added drag&drop command to remove curve from diagram
* updated online help/manual 



2012/02/13
Version 1.1.7
Bug Fixes:
* Fixed program crash on windows xp when application window is very small
* Fixed curve line style assignment
* Fixed re-sorting of table after refresh of data display/view
Enhancements:
* new parameter "temperature unit" / only show matching temperature channels in config dialog
* show channel number in default sensor description (on mouse over) 
* changed dialog to change start/end date/time - values are now checked when dialog is closed


2012/02/12
Version 1.1.6
Bug Fixes:
* fixed various problems on smaller PCs with WIndows XP
* fixed memory leak in print preview / print handling
Enhancements:
* performance improvement 
* new option for device- and print status window "keep on top"
* device- and print status windows not "stealing focus" anymore when on top
* Network logger devices: changed order when writing configuration - first activate/deactivate channels, then activate/deactivate storing
* Network logger devices: only allow enabling of storing when at least one channel is active
* recorder mode only active for "non-logger" devices


2012/02/09
Version 1.1.5
Bug Fixes:
* fixed problem when moving/copying/adding diagrams

2012/02/08
Version 1.1.4
Bug Fixes:
* lost pages when changing view (if view contains more than one page)
Enhancements:
* when selecting "change color" from view settings dialog, programm settings dialog now shows color selection on opening
* save/restore table sort columns for views


2012/02/07
Version 1.1.3
Bug Fixes:
* show changed device name in treeview
* show changed page/diagram name in treeview
* correct link to ".Net Framework 4.0" download in .msi setup
* fixed show alarm limits in diagram
Enhancements:
* update progress display only if change is >= 1 % (optimized)


2012/01/23
Version 1.1.2
* improved memory handling (memory demand not increasing with number of device displays anymore)
* changed description for external digital sensors 
* fixed problem printing to Microsoft XPS printer
* show/hide curve in diagram now handled without re-creating diagram
* ignore data (Network data Logger) for "unknown" channels (no error message)
* device views and devices in config dialog now shown in same order
* new program opion for pre-set for "device clock sync" 
* changed handling of most Edit Fields -> changes are applied as soon as they are made (instead of -> losing focus)
* Preset "start date/time" for polling device to 30 days before for first poll of device



2011/11/16 Version 1.1.0
bug fixes:
* improved error handling for TCP/IP communication
* fixed timestamp problem on DST change
new features:
* configuration dialogs and protocol extension for network data logger with external sensors
* automatic sizing of various dialogs
* status dialog always in front
* show l2P channel number for sensor channels
* removed licence key checking for network data logger
* improved performance when writing measure values and configuration data


2011/07/22 Version 1.0.4
bug fixes:
* show gaps in measure values in diagrams
* show underline in sensor channel names in "select active channels" dialog
new features:
* parameters for showing gaps in diagrams
* unit for building mosture is now "digit"
* no auto-poll intervall 10 sec/30 sec when stored data is read


2011/07/07 Version 1.0.3
* changed english program version


2011/06/28   Version 1.0.2
bug fixes
* error when exporting data for multiple devices and there is no data for all sensor channels in a row

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2011/06/15    Version 1.0.1

bug fixes 
* crash  when window is resized from very small to maximised (changed minimum window size to 550x600 pixel)
* if device reports multiple data for same time interval data is not overwritten but stored multiple times
* diagram shows multiple data for same time interval" 
* changes to auto poll configuration is lost when device is changed (no "discard changes" message was displayed)

new features:
* added function "delete page" 


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2011/05/17  Version 1.0.0
* initial release

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