C# Constants:

private const UInt32 SHTDN_REASON_MAJOR_OTHER    = 0x00000000;
private const UInt32 SHTDN_REASON_MINOR_OTHER    = 0x00000000;
private const UInt32 SHTDN_REASON_FLAG_PLANNED    = 0x80000000;

VB Constants:

Private Const SHTDN_REASON_MAJOR_OTHER    = 0
Private Const SHTDN_REASON_MINOR_OTHER    = 0
Private Const SHTDN_REASON_FLAG_PLANNED    = &H80000000

Notes:

None.