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Edge HMI

TagsDBGetClassMemberCount

  • Last UpdatedOct 29, 2026
  • 1 minute read

This function gets a count of the members in a specified class.

Function

Group

Execution

String Exp.

Windows

Windows Embedded

IoT View

Thin Clients

Mobile Access

TagsDBGetClassMemberCount

Tags Database

Synchronous

Yes

Supported (see Notes below)

Not supported

Not supported

Not supported

Not supported

Syntax

TagsDBGetClassMemberCount( strClassName )

TagsDBGetClassMemberCount ( strClassName )

strClassName

The name of the class in which to count members.

Returned value

If this function is executed successfully, then it returns the requested count of class members. Otherwise, it returns one of the following possible values:

Value

Description

-4

The specified class does not exist.

-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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