Using Programming Languages other than VBA

Sub Example_ActiveLayout()
	' This example cycles through the documents collection
	' and uses the ActiveLayout object to list the active layout
	' for all open documents.

	Dim DOC As AcadDocument
	Dim msg As String

	' If there are no open documents, then exit
	If Documents.count = 0 Then
		MsgBox "There are no open documents!"
		Exit Sub
	End If

	msg = vbCrLf & vbCrLf   ' Start with a space

	' Cycle through documents and determine the active layout name using the
	' ActiveLayout property of the document object
	For Each DOC In Documents
		msg = msg & DOC.WindowTitle & ": " & DOC.ActiveLayout.name
	Next

	' Display results
	MsgBox "The active layouts for the open drawings are: " & msg
End Sub