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

        private void bgPanel_MouseUp(object sender, MouseEventArgs e)
        {
            _snappedx = -1;
            _snappedy = -1;

            if ((_drawingSelectionBox) && (e.X == _selectionBoxX) && (e.Y == _selectionBoxY))
            {
                _drawingSelectionBox = false;
            }

            if (_addingControl)
            {
                _addingControl = false;
                CreateNewControl();
            }
            else if (_resizingControl)
            {
                _resizingControl = false;
                refreshProperties();
            }
            else if (_drawingSelectionBox)
            {
               _drawingSelectionBox = false;
               foreach (GUIControl _gc in _gui.Controls)
               {
                   if (_selectionRect.Contains(_gc.GetRectangle()) && !_selected.Contains(_gc)) _selected.Add(_gc);
               }
               if (_selected.Count > 0) _selectedControl = _selected[_selected.Count - 1];
               bgPanel.Invalidate();
            }
            else
            {
                _movingControl = false;
                refreshProperties();

                if ((e.Button == MouseButtons.Right))
                {
                    ShowContextMenu(e.X, e.Y, _selectedControl);
                }
            }
        }