C# Definition:

public enum SBOrientation : int
{
     SB_HORZ = 0x0
     SB_VERT = 0x1
     SB_CTL = 0x2
     SB_BOTH = 0x3
  }

VB.NET Definition:

Public Enum SBOrientation As Integer
     SB_HORZ = &H0
     SB_VERT = &H1
     SB_CTL = &H2
     SB_BOTH = &H3
End Enum

VB Definition:

Public Enum SBOrientation
     SB_HORZ As Long = &H0
     SB_VERT As Long = &H1
     SB_CTL As Long = &H2
     SB_BOTH As Long = &H3
End Enum

Notes:

Also defined in .NET as System.Windows.Forms.Orientation