Visual Basic .NET Declare

<StructLayout(LayoutKind.Sequential, Pack:=2)> Public Structure stCM_ISO157652_RxMessage
   Dim vs_netid As UInt16
   Dim padding As Byte
   Dim id As UInt32
   Dim id_mask As UInt32
   Dim fc_id As UInt32
   Dim flowControlExtendedAddress As Byte
   Dim extendedAddress As Byte
   Dim blockSize As Byte
   Dim stMin As Byte
   Dim cf_timeout As UInt16
   Dim flags As UInt32
   Dim reserved0 As Byte
   Dim reserved1 As Byte
   Dim reserved2 As Byte
   Dim reserved3 As Byte
   Dim reserved4 As Byte
   Dim reserved5 As Byte
   Dim reserved6 As Byte
   Dim reserved7 As Byte
   Dim reserved8 As Byte
   Dim reserved9 As Byte
   Dim reserved10 As Byte
   Dim reserved11 As Byte
   Dim reserved12 As Byte
   Dim reserved13 As Byte
   Dim reserved14 As Byte
   Dim reserved15 As Byte
End Structure

Enum stCM_ISO157652_TxMessage_Flags
    id_29_bit_enable = 1
    fc_id_29_bit_enable = 2
    ext_address_enable = 4
    fc_ext_address_enable = 8
    enableflowControlTransmission = 16
    PaddingEnable = 32,
    iscanFD = 64
    isBRSEnabled = 128  
End Enum


C# Declare

[StructLayout(LayoutKind.Sequential,Pack=2)]
public struct stCM_ISO157652_RxMessage
{
   public UInt16 vs_netid;
   public byte padding;
   public UInt32 id;
   public UInt32 id_mask;
   public UInt32 fc_id;
   public byte flowControlExtendedAddress;
   public byte extendedAddress;
   public byte blockSize;
   public byte stMin;
   public UInt16 cf_timeout;
   public UInt32 flags;
   public byte reserved0;
   public byte reserved1;
   public byte reserved2;
   public byte reserved3;
   public byte reserved4;
   public byte reserved5;
   public byte reserved6;
   public byte reserved7;
   public byte reserved8;
   public byte reserved9;
   public byte reserved10;
   public byte reserved11;
   public byte reserved12;
   public byte reserved13;
   public byte reserved14;
   public byte reserved15;
}