Using Programming Languages other than VBA

Sub Example_BeepOnError()
	' This example returns the current setting of
	' BeepOnError. It then changes the value, and finally
	' it resets the value back to the original setting.

	Dim preferences As AcadPreferences
	Dim currBeepOnError As Boolean

	Set preferences = ThisDrawing.Application.preferences

	' Retrieve the current BeepOnError value
	currBeepOnError = preferences.System.BeepOnError
	MsgBox "The current value for BeepOnError is " & preferences.System.BeepOnError, vbInformation, "BeepOnError Example"

	' Change the value for BeepOnError
	preferences.System.BeepOnError = Not (currBeepOnError)
	MsgBox "The new value for BeepOnError is " & preferences.System.BeepOnError, vbInformation, "BeepOnError Example"

	' Reset BeepOnError to its original value
	preferences.System.BeepOnError = currBeepOnError
	MsgBox "The BeepOnError value is reset to " & preferences.System.BeepOnError, vbInformation, "BeepOnError Example"
End Sub