Using Programming Languages other than VBA

Private Sub AcadDocument_WindowChanged(ByVal WindowState As Long)
	' This example intercepts a drawing WindowChanged event.
	'
	' This event is triggered when the window state of the
	' current drawing window is changed.
	'
	' To trigger this example event: Change the window state of the drawing window
	'
	' For example: Minimize or maximize the drawing window

	Dim CurrentState As String

	' Use the "WindowState" variable to determine the new drawing window state
	Select Case WindowState
		Case acMin: CurrentState = "Minimized"
		Case acMax: CurrentState = "Maximized"
		Case acNorm: CurrentState = "Normal Size"
	End Select

	MsgBox "The drawing window is now: " & CurrentState
End Sub