SetLineAutoupdate

SetLineAutoupdate is a method for a Trend Invoke method action.

Purpose: SetLineAutoupdate

To change the auto update status of one or all non-point lines on the Trend Control.

Note: This method has no effect on Point or Logged Point lines.

Click Advanced on the Action tab of the Procedure Information dialog box.

The Edit Method dialog box opens for the SetLineAutoupdate method

Configuration is as follows.


Field	Description
Method name	Name of the selected method. Note: Another method can be selected from the drop-down list.
Method result	(Optional) Setpoint that contains the status value.
	Class		Boolean
	Structure Type		BOOL
	Allowed		Device or global Point ID.
Parameters	LineID	One of the following can identify what line or lines should be automatically updated.
		''''	All non-point lines on the chart
		String for a Line ID			The line to auto-update.
	nOffOnToggle		Expression or Point ID that evaluates to the numeric value:
			Value	Trending will
			0	Turn off selected line(s) auto-update.
			1	Make selected line(s) start auto updating.
			2	Toggle the current state of the line(s).

Result: When a user invokes the method, the Method result display contains the count of the number of lines that were changed.