Windows Messages
You can add window pop-up messages to your viewer using the following methods.
“About” Message
To display “about” message from the configuration file:
viewer.layout.window.about()
![../../_images/about.jpg](../../_images/about.jpg)
“Info” Message
To display “info” message:
viewer.layout.window.info("This is an info message.")
![../../_images/info.jpg](../../_images/info.jpg)
“Warning” Message
To display “warning” message:
viewer.layout.window.warning("This is a warning message.")
![../../_images/warning.jpg](../../_images/warning.jpg)
“Critical” Message
To display “critical” message:
viewer.layout.window.critical("This is an error message.")
![../../_images/critical.jpg](../../_images/critical.jpg)
“Question” Message
To display “question” message:
viewer.layout.window.question("This is a question message.")
![../../_images/question.jpg](../../_images/question.jpg)
“Confirm” Message
To display “confirm” message:
viewer.layout.window.confirm("This is a confirmation message.")
![../../_images/confirm.jpg](../../_images/confirm.jpg)