public TableEffectProperties Effects { get; set; }

Public Property Effects As TableEffectProperties

using DevExpress.Docs;
using DevExpress.Docs.Presentation;
using System.Drawing;

namespace PresentationApiSample;

public class Program {
    public static void Main(string[] _) {
        // Create an in-memory Presentation document
        Presentation presentation = new Presentation(File.ReadAllBytes(@"..\..\..\data\Presentation2.pptx"));

        // Add a blank slide to the presentation
        Slide slide = new Slide(SlideLayoutType.Blank);
        presentation.Slides.Add(slide);

        // Create a 3x3 table (rows x columns) and add it as a shape to the slide
        Table table = new Table(3, 3);
        table.X = 100;
        table.Y = 100;
        table.Width = 2500;
        table.Height = 2000;
        slide.Shapes.Add(table);

        // Populate table cells with text
        for (int row = 0; row < 3; row++) {
            for (int column = 0; column < 3; column++) {
                table[row, column].TextArea.Text = $"({row}, {column})";
            }
        }

        // Apply an outer shadow effect to the table
        TableEffectProperties effectProperties = new TableEffectProperties();
        effectProperties.OuterShadow = new OuterShadowEffect { Angle = -45, Color = new OfficeColor(Color.Gray), BlurRadius = 100, Distance = 10 };
        table.Effects = effectProperties;

    }
}

Imports DevExpress.Docs
Imports DevExpress.Docs.Presentation
Imports System.Drawing

Namespace PresentationApiSample
    Public Class Program
        Public Shared Sub Main(args As String())
            ' Create an in-memory Presentation document
            Dim presentation As New Presentation(File.ReadAllBytes("..\..\..\data\Presentation2.pptx"))

            ' Add a blank slide to the presentation
            Dim slide As New Slide(SlideLayoutType.Blank)
            presentation.Slides.Add(slide)

            ' Create a 3x3 table (rows x columns) and add it as a shape to the slide
            Dim table As New Table(3, 3)
            table.X = 100
            table.Y = 100
            table.Width = 2500
            table.Height = 2000
            slide.Shapes.Add(table)

            ' Populate table cells with text
            For row As Integer = 0 To 2
                For column As Integer = 0 To 2
                    table(row, column).TextArea.Text = $"({row}, {column})"
                Next
            Next

            ' Apply an outer shadow effect to the table
            Dim effectProperties As New TableEffectProperties()
            effectProperties.OuterShadow = New OuterShadowEffect With {
                .Angle = -45,
                .Color = New OfficeColor(Color.Gray),
                .BlurRadius = 100,
                .Distance = 10
            }
            table.Effects = effectProperties

        End Sub
    End Class
End Namespace