@Override
 public void LoadContent() {
   for (int i = 0; i < _itemPanel.Grid().get(0).Rows(); i++)
     for (int j = 0; j < _itemPanel.Grid().get(0).Cols(); j++) {
       _itemPanel
           .Grid()
           .get(0)
           .Blanks()[i][j]
           .Clicked
           .Add(PushalbeBlankAdditionFuncEvent.GetInstance(this));
     }
 }
 @Override
 public void Draw(GameTime gameTime) {
   _sprites.get(0).Draw((SpriteBatch) Game().GetService("SpriteBatch"), _position, Color.WHITE);
   Clicked.occur(!_isPanelButtonAdded);
   if (_isPanelButtonAdded) {
     _itemPanel.Draw(gameTime);
   }
   super.Draw(gameTime);
 }