Symbol change propagation

Any changes to a source Industrial graphic are propagated to all embedded Industrial graphics. This affects the Industrial graphics in WindowMaker and the Industrial graphics inherited by AutomationObjects.

If a change is made to an Industrial graphic and it is used in an open InTouch window, the Symbol Changed icon appears in the bottom right corner of the status bar.

When you double-click this icon, the embedded Industrial graphic is updated with the changes.

The following example shows you how symbol change propagation works.

Propagate a symbol change

1. Follow the example from Create new Application Server object instances automatically.

2. In WindowMaker, open the window that shows the Valve symbol.

3. Open the Industrial graphic ValveSymbol that is hosted by the Application Server object template $Valve1.

4. Make some changes and select Close and Save. The changes are propagated to Application Server object instance Valve1_E22. In WindowMaker, the Symbol Changed icon appears.

5. Double-click the icon to accept the changes. The embedded Industrial graphic is updated.