Difference between revisions of "Extensions.HMI.ScreenClosedEventSource"
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== OTL Syntax == | == OTL Syntax == | ||
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| − | + | EventSourceTerm HMI.ScreenClosedEventSource(ScreenTerm screen); | |
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Revision as of 05:56, 7 November 2018
Contents
Classification
| Name | ScreenClosedEventSource |
| Short Description | Accepts a Screen object that is to be made an event source |
| Class | Term |
| Extension | OTX HMI extension |
| Group | HMI related terms |
| Exceptions | - |
| Checker Rules | - |
| Standard Compliant | Yes |
OTL Syntax
EventSourceTerm HMI.ScreenClosedEventSource(ScreenTerm screen);Description
The ScreenClosedEventSource term accepts a Screen object that is to be made an event source. This term enables an OTX sequence to use a Screen as a source for events in the context of the OTX EventHandling extension. A Screen shall trigger an event every when the specified screen is closed. This can be used within a event:WaitForEventAction to continue execution after a screen was closed.
Return Value
The Term returns the value, see table below.
In OTX, Terms are categorized according to its return data type!
| Data Type | Description |
| EventSource | Event source from a screen object. |
Properties
| Name | Data Type | Class | Default | Cardinality | Description |
| Screen | Screen | Term | - | [1] | Represents the Screen that shall be connected to the event source. |
OTL Examples
/// Signatures
package HMI.ScreenSignature ScreenSignature1(ref Integer ScreenInOutParameter1);
/// Global Declarations
public procedure main()
{
/// Local Declarations
HMI.Screen ScreenHandle1;
Integer Integer1;
EventHandling.EventSource EventSource1;
/// Flow
HMI.OpenScreen(ScreenHandle1, ScreenSignature1, {ScreenInOutParameter1 = Integer1}, false);
EventSource1 = HMI.ScreenClosedEventSource(ScreenHandle1);
HMI.CloseScreen(ScreenHandle1);
}