SetLineVisible Method
SetLineVisible is a method for a Trend Invoke method action.
- Purpose: SetLineVisible
- Advanced Configuration: SetLineVisible
Purpose: SetLineVisible
To change one or all lines on the Trend Control visible or invisible.
Advanced Configuration: SetLineVisible
Click Advanced on the Action tab of the Procedure Information dialog box.
The Edit Method dialog box opens for the SetLineVisible 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. | |||||
When a user invokes the method, the method result contains one of the following values. | ||||||
Value | Method Result | |||||
1 | The line is visible. | |||||
0 | The line is invisible. | |||||
Parameters | LineID | Identify what line or lines should be automatically updated. | ||||
Value | Identifies | |||||
'''' | All the lines. | |||||
Existing Line ID | A single line. | |||||
nOffOnToggle | Expression or Point ID that evaluates to the numeric value: | |||||
Value | Trending will | |||||
0 | Make selected line(s) invisible. | |||||
1 | Make selected line(s) visible. | |||||
2 | Toggle. | |||||
Even thought the line is removed from the display, the Trend Control still collects data and performs calculations for the line.