LibreOffice 24.8 Help
Dimensions a variable or an array at the global level (that is, not within a subroutine or function), so that the variable and the array are valid in all libraries and modules for the current session.
Public VarName[(start To end)] [As VarType][, VarName2[(start To end)] [As VarType][,...]]
Global iGlobalVar As Integer
Sub ExampleGlobal
iGlobalVar = iGlobalVar + 1
MsgBox iGlobalVar
End Sub