public static void RemoveTableOfContents(Document doc, int index)
{
// Store the FieldStart nodes of TOC fields in the document for quick access.
ArrayList fieldStarts = new ArrayList();
// This is a list to store the nodes found inside the specified TOC. They will be removed
// At the end of this method.
ArrayList nodeList = new ArrayList();
foreach (FieldStart start in doc.GetChildNodes(NodeType.FieldStart, true))
{
if (start.FieldType == FieldType.FieldTOC)
{
// Add all FieldStarts which are of type FieldTOC.
fieldStarts.Add(start);
}
}
// Ensure the TOC specified by the passed index exists.
if (index > fieldStarts.Count - 1)
throw new ArgumentOutOfRangeException("TOC index is out of range");
bool isRemoving = true;
// Get the FieldStart of the specified TOC.
Node currentNode = (Node)fieldStarts[index];
while (isRemoving)
{
// It is safer to store these nodes and delete them all at once later.
nodeList.Add(currentNode);
currentNode = currentNode.NextPreOrder(doc);
// Once we encounter a FieldEnd node of type FieldTOC then we know we are at the end
// Of the current TOC and we can stop here.
if (currentNode.NodeType == NodeType.FieldEnd)
{
FieldEnd fieldEnd = (FieldEnd)currentNode;
if (fieldEnd.FieldType == FieldType.FieldTOC)
isRemoving = false;
}
}
// Remove all nodes found in the specified TOC.
foreach (Node node in nodeList)
{
node.Remove();
}
}
// ExEnd:RemoveTOCFromDocument
