Use object viewer with buffered data

You can use the Object Viewer utility to view the attribute values of a selected object at run time.

The Object Viewer Attributes List displays a Has Buffer column to reflect whether an attribute has a buffer. The value displayed in the column is True if the attribute has a buffer and False if the attribute has no buffer, as shown in the following illustration.

Add the <attributename>.buffer property to the Object Viewer Watch Window. The Value column displays the message <<Double-click to display buffer>>. Double-click the attribute to view the buffer elements. The View Buffer Elements dialog box appears.

The View Buffer Elements dialog box header displays the Attribute Reference, Type, Timestamp, and Count. A details window displays Value, Timestamp, and Quality (VTQ) columns for each item. The data is displayed as a snapshot. Refresh the window to retrieve another snapshot.

The source attribute must also have buffered data enabled. If buffered data is not enabled on the source attribute, the data quality will return as bad, and a configuration error message is displayed.

See Has buffer in the Object Viewer User Guide for more information.