Using the Expression editor in controls

The Expression editor allows you to use VB operators and functions, while respecting a predefined syntax. You can identify the properties that can be configured using VB expressions by the "tune" icon .

Expressions must reference the property name given in the app page. For example, to reference the main page, include the snippet MainPage in your expression. If you rename the main page to FirstPage, include the snippet FirstPage in your expression.

When you are using expressions in an automation, you must first reference a top-level item. For a list of top-level items, see Using VB properties in apps.

note

By default, when you use the Tab key in the expression editor, the system inserts a space in the expression.

To enable keyboard navigation using the Tab key, use the Ctrl + M shortcut on Windows, or the Ctrl + Shift + M shortcut on Mac OS X.

After you apply this shortcut, pressing Tab switches the focus to the next selectable item on the page.