private void clearButton_Click(object sender, EventArgs e)
        {
            Graphics.FromImage(m_auxiliaryBitmap).Clear(Color.White);
            drawPanel.CreateGraphics().DrawImageUnscaled(m_auxiliaryBitmap, new Point(0, 0));
            connectedComponentsTool.Initialize(m_auxiliaryBitmap);
            m_connectedComponents.RemoveRange(0, m_connectedComponents.Count);

            UIUpdater.Clear();
            writingObserver.Clear();
        }