public static void AllowOperation(
    ClipboardOperation operation
)

Public Shared Sub AllowOperation(
    operation As ClipboardOperation
)

using System;
using System.Windows.Forms;
using DevExpress.Data.Utils;
using DevExpress.Data.Internal;

namespace DXApplication {
    internal static class Program {
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            ClipboardAccessPolicy.AllowOperation(ClipboardOperation.Copy, DataFormats.Text);
            ClipboardAccessPolicy.ThrowAlways();
            Application.Run(new Form1());
        }
    }
}

Imports System
Imports System.Windows.Forms
Imports DevExpress.Data.Utils
Imports DevExpress.Data.Internal

Namespace DXApplication
    Friend Module Program
        ''' <summary>
        ''' The main entry point for the application.
        ''' </summary>
        <STAThread>
        Sub Main()
            Application.EnableVisualStyles()
            Application.SetCompatibleTextRenderingDefault(False)
            ClipboardAccessPolicy.AllowOperation(ClipboardOperation.Copy, DataFormats.Text)
            ClipboardAccessPolicy.ThrowAlways()
            Application.Run(New Form1())
        End Sub
    End Module
End Namespace