字節轉化爲結構體BytesToStruct

//結構體轉字節數組
    public byte[] StructToBytes (object structObj)
    {
        
        int size = Marshal.SizeOf (structObj);//獲取結構體的大小
        IntPtr buffer = Marshal.AllocHGlobal (size);//分配內存
        try {
            Marshal.StructureToPtr (structObj, buffer, false);//將數據從託管對象封裝到非託管內容並不銷燬舊物體
            byte[] bytes = new byte[size];
            Marshal.Copy (buffer, bytes, 0, size);//將數據從非託管內存複製到數組內
            return   bytes;
        } finally {
            Marshal.FreeHGlobal (buffer);//釋放內存
        }
    }

//字節轉結構體
    public object BytesToStruct (byte[] bytes, Type   strcutType)
    {
        int size = Marshal.SizeOf (strcutType);
        IntPtr buffer = Marshal.AllocHGlobal (size);
        try {
            Marshal.Copy (bytes, 0, buffer, size);
            return  Marshal.PtrToStructure (buffer, strcutType);
        } finally {
            Marshal.FreeHGlobal (buffer);
        }   
        
    }