C# Definition:

[Flags]
public enum WLAN_NOTIFICATION_SOURCE : uint
{
     None = 0,
     /// <summary>
     /// All notifications, including those generated by the 802.1X module.
     /// </summary>
     All = 0X0000FFFF,
     /// <summary>
     /// Notifications generated by the auto configuration module.
     /// </summary>
     ACM = 0X00000008,
     /// <summary>
     /// Notifications generated by MSM.
     /// </summary>
     MSM = 0X00000010,
     /// <summary>
     /// Notifications generated by the security module.
     /// </summary>
     Security = 0X00000020,
     /// <summary>
     /// Notifications generated by independent hardware vendors (IHV).
     /// </summary>
     IHV = 0X00000040
}

VB Definition:

<Flags()>
    Public Enum WLAN_NOTIFICATION_SOURCE As UInteger
        None = 0
        All = &HFFFF
        ACM = &H8
        MSM = &H10
        Security = &H20
        IHV = &H40
    End Enum

Notes:

None.