public enum MessageBoxOptions : uint

Public Enum MessageBoxOptions As UInteger

Public Enum MessageBoxOptions

                Win32.MessageBox(0, "This program requires Windows NT!", szAppName, MessageBoxOptions.IconError);

private static uint SetupnCallMessageBoxTimeOut(IntPtr hWnd, string itsMessage, string itsCaption, uint itsMessageBoxOptions,Int32 itsTimeOutMilliSeconds)

     return MessageBoxTimeout(hWnd , itsMessage, itsCaption,itsMessageBoxOptions,0,itsTimeOutMilliSeconds);

   return MessageBoxTimeOut(hWnd, New StringBuilder(Message), New StringBuilder(Caption), MessageBoxOptions,0, TimeOutMilliSeconds)

    ByVal MessageBoxOptions As Long, _

    DisplayMessageBox = MessageBoxTimeOut(hWnd, Message, Caption, MessageBoxOptions, 0, TimeOutMilliseconds)