ApiExamples.ExImage.DeleteAllImagesPreOrder C# (CSharp) Метод

        public void DeleteAllImagesPreOrder()
        {
            Document doc = new Document(MyDir + "Image.SampleImages.doc");
            Assert.AreEqual(6, doc.GetChildNodes(NodeType.Shape, true).Count);
            
            //ExStart
            //ExFor:Node.NextPreOrder
            //ExSummary:Shows how to delete all images from a document using pre-order tree traversal.
            Node curNode = doc;
            while (curNode != null)
            {
                Node nextNode = curNode.NextPreOrder(doc);

                if (curNode.NodeType.Equals(NodeType.Shape))
                {
                    Shape shape = (Shape)curNode;

                    // Several shape types can have an image including image shapes and OLE objects.
                    if (shape.HasImage)
                        shape.Remove();
                }

                curNode = nextNode;
            }
            //ExEnd

            Assert.AreEqual(1, doc.GetChildNodes(NodeType.Shape, true).Count);
            doc.Save(MyDir + @"\Artifacts\Image.DeleteAllImagesPreOrder.doc");
        }