File: System\Windows\Forms\Dialogs\MessageBoxOptions.cs
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Project: src\src\System.Windows.Forms\src\System.Windows.Forms.csproj (System.Windows.Forms)
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
namespace System.Windows.Forms;
 
[Flags]
public enum MessageBoxOptions
{
    /// <summary>
    ///  Specifies that the message box is displayed on the active desktop.
    /// </summary>
    ServiceNotification = (int)MESSAGEBOX_STYLE.MB_SERVICE_NOTIFICATION,
 
    /// <summary>
    ///  Specifies that the message box is displayed on the active desktop.
    /// </summary>
    DefaultDesktopOnly = (int)MESSAGEBOX_STYLE.MB_DEFAULT_DESKTOP_ONLY,
 
    /// <summary>
    ///  Specifies that the message box text is right-aligned.
    /// </summary>
    RightAlign = (int)MESSAGEBOX_STYLE.MB_RIGHT,
 
    /// <summary>
    ///  Specifies that the message box text is displayed with Rtl reading order.
    /// </summary>
    RtlReading = (int)MESSAGEBOX_STYLE.MB_RTLREADING,
}