Pinta.Core.Document.Clear C# (CSharp) Method

        public void Clear()
        {
            while (UserLayers.Count > 0) {
                Layer l = UserLayers[UserLayers.Count - 1];
                UserLayers.RemoveAt (UserLayers.Count - 1);
                (l.Surface as IDisposable).Dispose ();
            }

            current_layer = -1;
            PintaCore.Layers.OnLayerRemoved ();
        }