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-- Description
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The OPC DA SimApi uses OPC DA to connect to an OPC server for current data only.

See the User Guide for a list of features and installation instructions.

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-- Version 2.1.1
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2018-08-17

 * Added option to disable IOPCSyncIO2::WriteVQT and instead fallback to IOPCSyncIO::Write.
   This is controlled in the XML-file with IsWriteVQTSupported (set to 1 or 0, default is 1).

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-- Version 2.1.0
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2017-10-03

 * New feature: support for multiple instances of the SimApi on the same SIMCA-online server, connecting to different databases.

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-- Version 2.0.8
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2013-11-19

 * Show error dialog instead of saved xml file dialog when ChangeBrowsePosition or BrowseOPCItemIDs
   fails for DA2.05 interface.

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-- Version 2.0.7
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2013-11-13

 * Added functionality to handle shutdown event from the OPC server.
 * Fix bug when tags are loaded vid the DA2.05 interface.
 * Removed confusing log entry when all individual error codes for AddItems(), Write() and WriteVQT() are S_OK.

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-- Version 2.0.6
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2013-10-30

 * Improved error message when configuring nodes.
 * Improved the installation instructions and troubleshooting tips in the User Guide.

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-- Version 2.0.5
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2013-09-23

 * Added support for OPC servers that do not support browsing of nodes. This is controlled
   in the XML-file with BrowseSupported (set to 1 or 0). If 0 then a text file opcda_tags.txt is used
   to specify which tags to expose through the SimApi. See the user guide for details. 
 * When configuring which nodes to use, selecting a parent node now selects the children nodes too.
 * Added support for specifying the delimiter with the new XML file setting "Delimiter".
 * Fixed bug for when a node is selected that has the same name as other nodes on the OPC server.
 
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-- Version 2.0.4
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2013-06-26

* Added support for writing data.

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-- Version 2.0.3
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2013-04-26

* Added more debug logging of failures (E_*) and partial failures (S_FALSE).

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-- Version 2.0.2
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2013-04-10

* Added support for reading boolean data type and 64-bit unsigned integer (ui8) data type.
* Selection of folders now also automatically selects sub folders.
* Fixed issues with logging of time stamps for items with bad data when reading values.
* Added more logging.

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-- Version 2.0.1
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2013-01-30

* Renamed buttons in the configuration dialog.
* Changed name internally to OPCDA.

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-- Version 2.0.0
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2013-01-29

* Initial version.
