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POHow to convert a structure to a byte array in C#?
 

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  1. POHow to convert a structure to a byte array in C#?
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    <p>How do I convert a structure to a byte array in C#?</p> <p>I have defined a structure like this:</p> <pre><code>public struct CIFSPacket { public uint protocolIdentifier; //The value must be "0xFF+'SMB'". public byte command; public byte errorClass; public byte reserved; public ushort error; public byte flags; //Here there are 14 bytes of data which is used differently among different dialects. //I do want the flags2. However, so I'll try parsing them. public ushort flags2; public ushort treeId; public ushort processId; public ushort userId; public ushort multiplexId; //Trans request public byte wordCount;//Count of parameter words defining the data portion of the packet. //From here it might be undefined... public int parametersStartIndex; public ushort byteCount; //Buffer length public int bufferStartIndex; public string Buffer; } </code></pre> <p>In my main method, I create an instance of it and assign values to it:</p> <pre><code>CIFSPacket packet = new CIFSPacket(); packet.protocolIdentifier = 0xff; packet.command = (byte)CommandTypes.SMB_COM_NEGOTIATE; packet.errorClass = 0xff; packet.error = 0; packet.flags = 0x00; packet.flags2 = 0x0001; packet.multiplexId = 22; packet.wordCount = 0; packet.byteCount = 119; packet.Buffer = "NT LM 0.12"; </code></pre> <p>Now I want to send this Packet by socket. For that, I need to convert the structure to a byte array. How can I do it?</p> <p>My full code is as follows.</p> <pre><code>static void Main(string[] args) { Socket MyPing = new Socket(AddressFamily.InterNetwork, SocketType.Stream , ProtocolType.Unspecified ) ; MyPing.Connect("172.24.18.240", 139); //Fake an IP Address so I can send with SendTo IPAddress IP = new IPAddress(new byte[] { 172,24,18,240 }); IPEndPoint IPEP = new IPEndPoint(IP, 139); //Local IP for Receiving IPEndPoint Local = new IPEndPoint(IPAddress.Any, 0); EndPoint EP = (EndPoint)Local; CIFSPacket packet = new CIFSPacket(); packet.protocolIdentifier = 0xff; packet.command = (byte)CommandTypes.SMB_COM_NEGOTIATE; packet.errorClass = 0xff; packet.error = 0; packet.flags = 0x00; packet.flags2 = 0x0001; packet.multiplexId = 22; packet.wordCount = 0; packet.byteCount = 119; packet.Buffer = "NT LM 0.12"; MyPing.SendTo(It takes byte array as parameter); } </code></pre> <p>What would a code snippet be?</p>
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    1. USPeter Mortensen
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      1. POHow to convert a structure to a byte array in C#?
      1. USPetar Minchev
    2. COOne correction at last line MyPing.Send(It takes byte array as parameter); It is Send not SendTo......
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    3. COHi Petar, I didn't get you ...
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