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Tag

Label to associate with OPC Toolbox object

Description

You configure Tag to be a character vector value that uniquely identifies an OPC Toolbox™ object.

Tag is particularly useful when constructing programs that would otherwise need to define the toolbox object as a global variable, or pass the object as an argument between callback routines. You can return a toolbox object with the opcfind function by specifying the Tag property value.

Characteristics

Access

Read/write

Applies to

dagroup, daitem, opcda

Data type

character vector

Values

The default value is an empty character vector ('').

See Also

Functions

opcfind

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