VhsClient Object
The CxVhs is the standard library for Value History Service (VHS) related objects.
The VHS is a service used for archiving point data. VHS-related scripting involves the use of four types of objects:
Note: Both 32-bit and 64-bit versions of this library are available; library files are located in your CygNet source files at CygNet\Support\CxVhs.dll and CygNet\Support64\CxVhs64.dll respectively.
A .Net API that exposes extensibility features of the CygNet Historian is available. The primary namespace, CygNet.API.Historian, allows for the storage and retrieval of extended data, including:
The .Net API requires the Microsoft .NET Framework is installed, in accordance with the CygNet System Requirements document.
A standalone online help file CygNet.API.chm is available for user assistance. The API libraries and help file can be found in the /Bin directory on the release image.
See VHS Extensibility for more information about extended data.
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