C# Definition:

[Flags]
public enum SERVICE_STATE : int
{
     SERVICE_ACTIVE      = 0x00000001,
     SERVICE_INACTIVE    = 0x00000002,
     SERVICE_STATE_ALL   = SERVICE_ACTIVE | SERVICE_INACTIVE
}

VB Definition:

<Flags()> _

Enum SERVICE_STATE as Integer
    SERVICE_ACTIVE      = 1
    SERVICE_INACTIVE    = 2    
    SERVICE_STATE_ALL   = SERVICE_ACTIVE or SERVICE_INACTIVE
End Enum

Notes:

see EnumServicesStatus and EnumDependentServices