[ComVisible(true)]
public interface TableStyleCollection :
    ISimpleCollection<TableStyle>,
    IEnumerable<TableStyle>,
    IEnumerable,
    ICollection

<ComVisible(True)>
Public Interface TableStyleCollection
    Inherits ISimpleCollection(Of TableStyle),
             IEnumerable(Of TableStyle),
             IEnumerable,
             ICollection

using DevExpress.Office.Utils;
using DevExpress.XtraRichEdit.API.Native;
using System.Drawing;

static void CreateAndApplyTableStyle(RichEditDocumentServer wordProcessor)
{
    // Access a document.
    Document document = wordProcessor.Document;

    // Start to edit the document.
    document.BeginUpdate();

    // Create a new table style.
    TableStyle tStyleMain = document.TableStyles.CreateNew();

    // Specify table style options.
    tStyleMain.AllCaps = true;
    tStyleMain.FontName = "Segoe Condensed";
    tStyleMain.FontSize = 14;
    tStyleMain.Alignment = ParagraphAlignment.Center;

    TableBorders tableBorders = tStyleMain.TableBorders;
    tableBorders.InsideHorizontalBorder.LineStyle =
         BorderLineStyle.Dotted;

    tableBorders.InsideVerticalBorder.LineStyle =
         BorderLineStyle.Dotted;

    tableBorders.Top.LineThickness = 1.5f;
    tableBorders.Top.LineStyle = BorderLineStyle.Double;
    tableBorders.Left.LineThickness = 1.5f;
    tableBorders.Left.LineStyle = BorderLineStyle.Double;
    tableBorders.Bottom.LineThickness = 1.5f;
    tableBorders.Bottom.LineStyle = BorderLineStyle.Double;
    tableBorders.Right.LineThickness = 1.5f;
    tableBorders.Right.LineStyle = BorderLineStyle.Double;

    tStyleMain.CellBackgroundColor = Color.LightBlue;
    tStyleMain.TableLayout = TableLayoutType.Fixed;
    tStyleMain.Name = "MyTableStyle";

    // Add the style to the collection of styles.
    document.TableStyles.Add(tStyleMain);

    // Finalize to edit the document.
    document.EndUpdate();

    // Start to edit the document.
    document.BeginUpdate();

    // Create a table with three rows and columns
    // at the document range's start position.
    Table table = document.Tables.Create(document.Range.Start, 3, 3);

    // Set the table width to a fixed value.
    table.TableLayout = TableLayoutType.Fixed;
    table.PreferredWidthType = WidthType.Fixed;
    table.PreferredWidth = Units.InchesToDocumentsF(3.5f);

    // Set the cell width to a fixed value. 
    table[1, 1].PreferredWidthType = WidthType.Fixed;
    table[1, 1].PreferredWidth = Units.InchesToDocumentsF(1.5f);

    // Apply the created style to the table.
    table.Style = tStyleMain;

    // Finalize to edit the document.
    document.EndUpdate();

    // Insert text to the table cell.
    document.InsertText(table[1, 1].Range.Start, "STYLED");

}

Dim document As Document = server.Document
document.BeginUpdate()
' Create a new table style.
Dim tStyleMain As TableStyle = document.TableStyles.CreateNew()
' Specify style characteristics.
tStyleMain.AllCaps = True
tStyleMain.FontName = "Segoe Condensed"
tStyleMain.FontSize = 14
tStyleMain.Alignment = ParagraphAlignment.Center
tStyleMain.TableBorders.InsideHorizontalBorder.LineStyle = BorderLineStyle.Dotted
tStyleMain.TableBorders.InsideVerticalBorder.LineStyle = BorderLineStyle.Dotted
tStyleMain.TableBorders.Top.LineThickness = 1.5F
tStyleMain.TableBorders.Top.LineStyle = BorderLineStyle.Double
tStyleMain.TableBorders.Left.LineThickness = 1.5F
tStyleMain.TableBorders.Left.LineStyle = BorderLineStyle.Double
tStyleMain.TableBorders.Bottom.LineThickness = 1.5F
tStyleMain.TableBorders.Bottom.LineStyle = BorderLineStyle.Double
tStyleMain.TableBorders.Right.LineThickness = 1.5F
tStyleMain.TableBorders.Right.LineStyle = BorderLineStyle.Double
tStyleMain.CellBackgroundColor = System.Drawing.Color.LightBlue
tStyleMain.TableLayout = TableLayoutType.Fixed
tStyleMain.Name = "MyTableStyle"
'Add the style to the document.
document.TableStyles.Add(tStyleMain)
document.EndUpdate()
document.BeginUpdate()
' Create a table.
Dim table As Table = document.Tables.Create(document.Range.Start, 3, 3)
table.TableLayout = TableLayoutType.Fixed
table.PreferredWidthType = WidthType.Fixed
table.PreferredWidth = Units.InchesToDocumentsF(4.5F)
table(1, 1).PreferredWidthType = WidthType.Fixed
table(1, 1).PreferredWidth = Units.InchesToDocumentsF(1.5F)
' Apply a previously defined style.
table.Style = tStyleMain
document.EndUpdate()

document.InsertText(table(1, 1).Range.Start, "STYLED")