public void Add(FuncItem funcItem)
        {
            int oldSize = _funcItems.Count * _sizeFuncItem;
            _funcItems.Add(funcItem);
            int newSize = _funcItems.Count * _sizeFuncItem;
            IntPtr newPointer = Marshal.AllocHGlobal(newSize);

            if (_nativePointer != IntPtr.Zero)
            {
                RtlMoveMemory(newPointer, _nativePointer, oldSize);
                Marshal.FreeHGlobal(_nativePointer);
            }
            IntPtr ptrPosNewItem = (IntPtr)((int)newPointer + oldSize);
            byte[] aB = Encoding.Unicode.GetBytes(funcItem._itemName + "\0");
            Marshal.Copy(aB, 0, ptrPosNewItem, aB.Length);
            ptrPosNewItem = (IntPtr)((int)ptrPosNewItem + 128);
            IntPtr p = (funcItem._pFunc != null) ? Marshal.GetFunctionPointerForDelegate(funcItem._pFunc) : IntPtr.Zero;
            Marshal.WriteIntPtr(ptrPosNewItem, p);
            ptrPosNewItem = (IntPtr)((int)ptrPosNewItem + IntPtr.Size);
            Marshal.WriteInt32(ptrPosNewItem, funcItem._cmdID);
            ptrPosNewItem = (IntPtr)((int)ptrPosNewItem + 4);
            Marshal.WriteInt32(ptrPosNewItem, Convert.ToInt32(funcItem._init2Check));
            ptrPosNewItem = (IntPtr)((int)ptrPosNewItem + 4);
            if (funcItem._pShKey._key != 0)
            {
                IntPtr newShortCutKey = Marshal.AllocHGlobal(4);
                Marshal.StructureToPtr(funcItem._pShKey, newShortCutKey, false);
                Marshal.WriteIntPtr(ptrPosNewItem, newShortCutKey);
            }
            else Marshal.WriteIntPtr(ptrPosNewItem, IntPtr.Zero);

            _nativePointer = newPointer;
        }
 internal static void SetCommand(int index, string commandName, NppFuncItemDelegate functionPointer, ShortcutKey shortcut, bool checkOnInit)
 {
     FuncItem funcItem = new FuncItem();
     funcItem._cmdID = index;
     funcItem._itemName = commandName;
     if (functionPointer != null)
         funcItem._pFunc = new NppFuncItemDelegate(functionPointer);
     if (shortcut._key != 0)
         funcItem._pShKey = shortcut;
     funcItem._init2Check = checkOnInit;
     _funcItems.Add(funcItem);
 }
        public void RefreshItems()
        {
            IntPtr ptrPosItem = _nativePointer;
            for (int i = 0; i < _funcItems.Count; i++)
            {
                FuncItem updatedItem = new FuncItem();
                updatedItem._itemName = _funcItems[i]._itemName;
                ptrPosItem = (IntPtr)((int)ptrPosItem + 128);
                updatedItem._pFunc = _funcItems[i]._pFunc;
                ptrPosItem = (IntPtr)((int)ptrPosItem + IntPtr.Size);
                updatedItem._cmdID = Marshal.ReadInt32(ptrPosItem);
                ptrPosItem = (IntPtr)((int)ptrPosItem + 4);
                updatedItem._init2Check = _funcItems[i]._init2Check;
                ptrPosItem = (IntPtr)((int)ptrPosItem + 4);
                updatedItem._pShKey = _funcItems[i]._pShKey;
                ptrPosItem = (IntPtr)((int)ptrPosItem + IntPtr.Size);

                _funcItems[i] = updatedItem;
            }
        }