Using Programming Languages other than VBA

Sub Example_WindowTitle()
	' This example cycles through the documents collection
	' and uses the WindowTitle property to create a list of 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 all open drawings and get the window title of each drawing
	For Each DOC In Documents
		msg = msg & DOC.WindowTitle
	Next

	' Display a list of open drawings
	MsgBox "The open drawing titles are: " & msg
End Sub