Using Programming Languages other than VBA

Sub Example_PrinterPaperSizeAlert()
	' This example reads and modifies the PrinterPaperSizeAlert
	' preference value.
	' When finished, this example resets the preference value back to
	' its original value.

	Dim ACADPref As AcadPreferencesOutput
	Dim originalValue As Boolean

	' Get the user preferences object

	Set ACADPref = ThisDrawing.Application.preferences.Output

	' Read and display the original value
	originalValue = ACADPref.PrinterPaperSizeAlert
	MsgBox "The PrinterPaperSizeAlert preference is set to: " & originalValue

	' Modify the PrinterPaperSizeAlert preference by toggling the value
	ACADPref.PrinterPaperSizeAlert = Not ACADPref.PrinterPaperSizeAlert

	MsgBox "The PrinterPaperSizeAlert preference has been set to: " & ACADPref.PrinterPaperSizeAlert

	' Reset the preference back to its original value
	ACADPref.PrinterPaperSizeAlert = originalValue
	MsgBox "The PrinterPaperSizeAlert preference was reset back to: " & originalValue
End Sub