private void DrawDownDiagram(Graphics g)
{
int all_voice = Voices.Sum();
float sweepAngle, startAngle = 0;
for (int i = 0; i < Voices.Count; i++)
{
if (i == Voices.Count - 1)
{
sweepAngle = 360 - startAngle;
}
else
{
sweepAngle = (Voices[i] * 360) / all_voice;
}
g.FillPie(HatchBrushes[i], 375, 350, 300, 300, startAngle, sweepAngle);
startAngle += sweepAngle;
}
}
