Name of the previous page in uppercase characters if the WLanguage code currently run is:

• a page code (opening code, closing code or synchronization code)
• a control code (initialization, click)
• a procedure local to the page

Or an empty string ("") if the page is a static page or if the code currently run is:

• the project code.
• a class constructor or destructor code.
• a class method.
• a procedure global to the project.

The case of the page name corresponds to the real case of the page name. For example, if the current page corresponds to the "Home.WWH" page, the name returned will be "Home".