​.ListChanged Dotfield

Indicates whether there are any new alarms or updates for the Distributed Alarm Display object.

Category

Alarms

Usage

[ErrorNumber=]GetPropertyD("ObjectName.ListChanged",TagName);

Arguments

ObjectName

The name of the alarm object. For example, AlmObj_1.

TagName

A discrete tag that holds the property value when the function is processed.

Remarks

This read-only dotfield contains the status about whether there have been any changes that need to be updated in the Distributed Alarm Display object. This property is automatically reset on reading the property.

Data Type

Discrete (read-only)

Valid Values

0 = No new alarms or updates for the display object

1 = New updates for the display object

Example

The following statement returns the status of any new alarms or updates for the AlmObj_1 Distributed Alarm Display object to the AlmDispStat tag:

GetPropertyD("AlmObj_1.ListChanged",AlmDispStat);

See Also

GetPropertyD()