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Edge HMI

TagsDBGetClassMember

  • Last UpdatedOct 29, 2026
  • 1 minute read

This function gets the data type or description of a specified class member during run time.

Function

Group

Execution

String Exp.

Windows

Windows Embedded

IoT View

Thin Clients

Mobile Access

TagsDBGetClassMember

Tags Database

Synchronous

Yes

Supported (see Notes below)

Not supported

Not supported

Not supported

Not supported

Syntax

TagsDBGetClassMember( strClassName, strMemberName, numPropertyID )

TagsDBGetClassMember ( strClassName , strMemberName , { numPropertyID | 0 | 1 } )

strClassName

The name of the class that contains the member.

strMemberName

The name of the class member.

numPropertyID

The property to be gotten, identified by one of the following values:

Value

Property

Data Type

0

Data type

String ("Boolean", "Integer", "Real", "String")

1

Description

String

Returned value

If this function is executed successfully, then it returns the value of the specified property. Otherwise, it returns one of the following possible values:

Value

Description

-5

The specified member does not exist in the specified class.

-4

The specified class does not exist in the tags database.

-3

Wrong parameter type or inconsistent value.

-2

Invalid number of parameters.

Notes

This function can be executed only on the project runtime server — it cannot be called by a Graphics Script, Screen Script, or Command animation running on a thin client.

For more information about the Tags Database functions and examples of how to use them, see Using TagsDB functions to edit the tags database during run time.

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