Shulou(Shulou.com)06/03 Report--

This article mainly introduces "what is the function of the SizeConst of the array of MarshalAs". In the daily operation, I believe that many people have doubts about the role of the SizeConst of the array of MarshalAs. The editor consulted all kinds of data and sorted out simple and easy-to-use methods of operation. I hope it will be helpful to answer the question of "what is the use of the SizeConst of the array of MarshalAs?" Next, please follow the editor to study!

[StructLayout (LayoutKind.Sequential)] class CLS {public int id; public float value; [MarshalAs (UnmanagedType.ByValArray,SizeConst=10,ArraySubType=UnmanagedType.Struct)] public Point [] ps; [MarshalAs (UnmanagedType.LPStr)] public string msg; [MarshalAs (UnmanagedType.ByValArray,SizeConst=5,ArraySubType=UnmanagedType.LPStr)] public string [] msgs } Console.WriteLine ("Number of bytes needed by a CLS object: {0}", Marshal.SizeOf (typeof (CLS); CLS cls = new CLS (); string [] s = new string [10]; for (int I = 0 X I < 10 x I +) {s [I] = "demo" + I;} cls.msgs = s For (int iTuno Bandi)

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