LMGetMBarHeight
To get the current height of the current MenuBar, use the LMGetMBarHeight function.
FUNCTION LMGetMBarHeight as Integer
returns the old height of the MenuBar.
Description:
Retrives the height of the current MenuBar.
Supported platforms:
* MacOS PPC
* MacOS Carbon
* MacOS 68k
Unsupported platforms:
* Windows x86