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OPC DA Auto Wrapper

Here you will find the description of OPC DA Auto Wrapper.


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OPC Utilities

OPC Simulator OPC DA Auto Wrapper OPC HDA Auto Wrapper GBRegsrv (Windows CE)

OPC Data Access Auto Interface

The fundamental design goal is that this interface is intended to work as a 'wrapper' for existing OPC Data Access Custom Interface Servers providing an automation friendly mechanism to the functionality provided by the custom interface.

The automation interface provides nearly all of the functionality of the required and optional Interfaces in the OPC Data Access Custom Interface. If the OPC Data Access Custom server supports the interface, the functions and properties at the automation level will work. Automation interfaces generally do not support optional capabilities in the same way that the custom interface does. If the underlying custom interface omits some optional functionality then the corresponding automation functions and properties will exhibit some reasonable default behavior.

Automation Wrapper

Graybox OPC DA Auto Wrapper is a DLL-module, in which all of the needed OLE-objects are implemented. After registering this module, you will be able to use any OPC Data Access Server with almost any OLE enabled programming language (Visual Basic, VBA, etc).


Do the following steps to install the Wrapper:

  • download Graybox OPC DA Auto Wrapper;
  • unzip the archive;
  • copy gbda_aut.dll to Windows\System32 folder;
  • register this module - enter regsvr32 gbda_aut.dll in the command line.

To remove Graybox OPC DA Auto Wrapper from your system registry enter regsvr32 gbda_aut.dll -u.


You can download Graybox OPC DA Auto Wrapper for free. Furthermore, you can use it and redistibute with you products freely. There are no license limitation for this product.

Download Graybox OPC DA Auto Wrapper....

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