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();
}