The page number is incorrect after the doc directory is generated
builder.CreateFile("docx");
var oDocument = Api.GetDocument();
var oSection = oDocument.GetFinalSection();
var oFooter = oSection.GetFooter("default", true);
oParagraph = oFooter.GetElement(0);
oParagraph.AddPageNumber();
oParagraph.SetJc("center");
var oNewDocumentStyle = oDocument.GetStyle("Heading 1");
var oParagraph = oDocument.GetElement(0);
oParagraph.SetStyle(oNewDocumentStyle);
oParagraph.AddText("Heading 1");
oNewDocumentStyle = oDocument.GetStyle("Heading 2");
oParagraph = Api.CreateParagraph();
oParagraph.SetStyle(oNewDocumentStyle);
oParagraph.AddText("Heading 2");
oDocument.Push(oParagraph);
oParagraph.AddPageBreak();
oNewDocumentStyle = oDocument.GetStyle("Heading 2");
oParagraph = Api.CreateParagraph();
oParagraph.SetStyle(oNewDocumentStyle);
oParagraph.AddText("Heading 3");
oDocument.Push(oParagraph);
var oTocPr = {"ShowPageNums": true, "RightAlgn": true, "LeaderType": "dot", "FormatAsLinks": true, "BuildFrom": {"OutlineLvls": 9}, "TocStyle": "standard"};
oDocument.AddTableOfContents(oTocPr);
oDocument.UpdateAllTOC(false);
builder.SaveFile("docx", "UpdateAllTOC.docx");
builder.CloseFile();