Adds the new columns to the current table.
| Name | Type | Default | Description |
| nCount | Number | Count of columns to be added. |
|
| isBefore | boolean | false | Specifies if the new columns will be added before or after the current cell. |
builder.CreateFile("docx");
var oDocument = Api.GetDocument();
var oTableStyle = oDocument.CreateStyle("CustomTableStyle", "table");
oTableStyle.SetBasedOn(oDocument.GetStyle("Bordered"));
var oTable = Api.CreateTable(3, 3);
oTable.SetWidth("percent", 100);
oTable.SetStyle(oTableStyle);
oDocument.Push(oTable);
oTable.GetCell(0, 0).GetContent().GetElement(0).AddText("Two new columns were added after this cell.");
oTable.GetCell(0, 0).AddColumns(2, false);
builder.SaveFile("docx", "AddColumns.docx");
builder.CloseFile();