AGS.Editor.GUIEditor.MoveControlWithMouse C# (CSharp) Метод

        private void MoveControlWithMouse(int mouseX, int mouseY)
        {
            NormalGUI normalGui = (NormalGUI)_gui;
            //int _changex = (mouseX - _mouseXOffset) - _selectedControl.Left;
            //int _changey = (mouseY - _mouseYOffset) - _selectedControl.Top;
            int[] _diffx = new int[_selected.Count];
            int[] _diffy = new int[_selected.Count];
            for (int i = 0; i < _selected.Count; i++)
            {
                _diffx[i] = _selected[i].Left - _selectedControl.Left;
                _diffy[i] = _selected[i].Top - _selectedControl.Top;
            }

            _selectedControl.Left = mouseX - _mouseXOffset;
            _selectedControl.Top = mouseY - _mouseYOffset;

            if (_selectedControl.Left >= normalGui.Width)
            {
                _selectedControl.Left = normalGui.Width - 1;
            }
            if (_selectedControl.Top >= normalGui.Height)
            {
                _selectedControl.Top = normalGui.Height - 1;
            }

            _snappedx = -1;
            _snappedy = -1;
            if (!Utilities.IsControlPressed())
            {
                foreach (GUIControl _gc in normalGui.Controls)
                {
                    if (_gc != _selectedControl && !_selected.Contains(_gc))
                    {
                        if (Math.Abs(_selectedControl.Left - _gc.Left) < 5)
                        {
                            _selectedControl.Left = _gc.Left;
                            _snappedx = _gc.Left;
                        }
                        if (Math.Abs(_selectedControl.Top - _gc.Top) < 5)
                        {
                            _selectedControl.Top = _gc.Top;
                            _snappedy = _gc.Top;
                        }
                    }

                }
            }

            for (int i = 0; i < _selected.Count; i++)
            {
                if (!_selected[i].Locked)
                {
                    _selected[i].Left = _diffx[i] + _selectedControl.Left;
                    _selected[i].Top = _diffy[i] + _selectedControl.Top;
                }
            }

            bgPanel.Invalidate();
        }