System.desktopHeight

Function/Meaning
Desktop height
Type
System class property (read-only)
Description
Represents the height of the desktop (the area where windows can be displayed) in pixels.
The value targets the display where the main window is located.
If there is no main window, the primary display is targeted.
Reference
System.screenWidth
System.screenHeight
System.desktopLeft
System.desktopTop
System.desktopWidth