From Xojo Documentation
| This item was deprecated in version 2019r2.
Please use Screen.ScreenAt as a replacement.
Used to access the properties of a Screen object. Returns a reference to the screen passed.
|index||Integer||The number of the screen whose property you wish to read. The main screen is screen zero.|
|property||Any screen object property name||The property you wish to read. See the description of the Screen class.|
You can use the Screen function to access the screen properties for the monitors attached to the user's computer. Screen 0 is the main screen. You can use the ScreenCount function to determine how many screens exist.
This example displays the size of the user's main screen.
" by " + Str(Screen(0).Height) + ".")