private void _pnlHistogram_Paint(object sender, PaintEventArgs e)
{
e.Graphics.Clear(_pnlHistogram.BackColor);
if (_currentHistogram == null)
{
return;
}
double maxFreq = _currentHistogram.GetMaxFrequency();
for (int i = 0; i < _currentHistogram.Frequencies.Length; i++)
{
e.Graphics.DrawLine(Pens.Black,
i, _pnlHistogram.Height,
i, _pnlHistogram.Height - (float)(_pnlHistogram.Height * _currentHistogram.Frequencies[i] / maxFreq));
}
}