Convert Struct

[javad_2005]

Hi how to Convert Struct To Byte

[prasad_som]

What do you mean by convert ?

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Prasad MS MVP -  VC++

[javad_2005]

Socket ^s; s->Send(byte......... I want to send struct

[Mark Salsbery]

The simplest method would be to create a Byte array the size of the structure and copy the structure bytes to the array.

MyStruct mystruct;
    array<Byte>^ ByteArray = gcnew array<Byte>(sizeof(MyStruct));
    for (int i = 0; i < sizeof(MyStruct); i++)
        ByteArray[i] = ((unsigned char *)&mystruct)[i];
    Socket ^s;
    s->Send(ByteArray);

There's other problems which may or may not be a factor in your situation See here[^] A more robust solution is to make classes/structs serializable so the conversion to/from a Byte array is built in to the class. Mark

Mark Salsbery Microsoft MVP - Visual C++ :java:

[javad_2005]

Dont work my struct is manage ref Struct MyStruct { } but sizeof dont work for manage Struct

[Mark Salsbery]

Oh :)  In that case you should probably use serialization. Serializing Objects (.NET)[^] You can use .NET serialization (like Binary Serialization[^]) or you could serialize the struct yourself by writing whatever bytes make up the structure. .NET serialization is robust and has the bonus of working with other .NET languages. If the data is being sent to non-.NET apps then you'll need to write custom serialization. Regardless of the method you use, you need a array of bytes - you can fill that array however you want, as long as there's enough info there for the receiving end to reconstruct the structure. Mark

Mark Salsbery Microsoft MVP - Visual C++ :java: