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- EndService and EndProgram functions
- Function EndProgram in a dynamic WEBDEV site
Ends the execution of the current program. Sintaxis
EndProgram([<Line 1> [... [, <Line N> [, <Closing code>]]]])
<Line 1>: Optional character string Lines of the message to display when the program is ended. This message is displayed in an "Error" dialog box. <Line N>: Optional character string Lines of the message to display when the program is ended. This message is displayed in an "Error" dialog box. <Closing code>: Optional boolean - False (default value) if the project closing code is not run.
- True if the project closing code is run.
Observaciones EndService and EndProgram functions In a service: - EndService ends the execution of the service by performing the following operations:
- configuring the execution of the closing codes
- simulating a service failure, which triggers OS failure recovery actions (automatic restart, or reboot in Windows, for example).
- EndProgram can be used with the following specific features:
- the message is ignored.
- closing codes are run (or not) depending on the boolean specified as the last parameter.
- the service ends normally and no failure is simulated.
In an application, EndService can be used with the following specific features: - no message is displayed when exiting the application.
- closing codes are run (or not) depending on the specified closing option.
- the failure option has no effect.
Function EndProgram in a dynamic WEBDEV site In a dynamic site, the function EndProgram function terminates the session on the server and releases resources.
When it is called, it is advisable to display a new static page in place of the current one.. If this were not the case, the user would be able to recall a Line from the page displayed in the browser: this Line could not be executed, as the corresponding session no longer existed. The most commonly used solution is as follows: - Create a "Logout" Button control field.
- In the control description window, specify whether the button should be of the "Automatic detection of server and browser codes to be executed" or "Always execute server and browser codes" type.
- In the "Click browser" event of the Button control, use the PageDisplay function to display a static page of the site.
If required, the static page can be used to launch a new session, by calling the DynamicSiteDisplay function. - In the "Click on (server)" event, use function EndProgram.
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