Using Programming Languages other than VBA

Sub Example_Plottable()
	' This example creates a new layer called "New_Layer".  It then uses
	' the Plottable property of each Layer to display whether or not that layer
	' is plottable.  The user has the ability to toggle the plottable state
	' for each layer, and the final plottable status for all layers is displayed.

	Dim layerObj As AcadLayer, tempLayer As AcadLayer
	Dim msg As String

	' Add the layer to the layers collection
	Set layerObj = ThisDrawing.Layers.Add("New_Layer")

	' Make the new layer the active layer for the drawing
	ThisDrawing.ActiveLayer = layerObj

	' Cycle through the layers and allow user to make them plottable or not

	For Each tempLayer In ThisDrawing.Layers
		If tempLayer.Plottable Then	 ' Determine if this layer is plottable
			If MsgBox("The layer '" & tempLayer.name & "' will plot.  Would you like to turn off plotting for this layer?", vbYesNo & vbQuestion) = vbYes Then
				tempLayer.Plottable = False	 ' Change plottable state
			End If
		Else
			If MsgBox("The layer '" & tempLayer.name & "' will not plot.  Would you like to turn on plotting for this layer?", vbYesNo & vbQuestion) = vbYes Then
				tempLayer.Plottable = True	' Change plottable state
			End If
		End If
	Next

	' Display the new plottable status of the layers in this drawing

	For Each tempLayer In ThisDrawing.Layers
		' Determine if this layer is plottable
		If tempLayer.Plottable Then
			msg = msg & "The layer '" & tempLayer.name & "' will plot." & vbCrLf
		Else
			msg = msg & "The layer '" & tempLayer.name & "' will not plot." & vbCrLf
		End If
	Next

	MsgBox msg
End Sub