private void panel1_Paint(object sender, PaintEventArgs e)
{
if (_pie == null)
return;
Rectangle rect = new Rectangle(_x - _radius, _y - _radius, _x + _radius, _y + _radius);
_selected = _pie.Draw(e.Graphics, rect, _mx, _my);
}
int BySize(Datum x, Datum y)
{
if (x.Value > y.Value)
return 1;
if (x.Value == y.Value)
return String.CompareOrdinal(x.Name, y.Name);
return -1;
}
void DrawTitle(Graphics g, Rectangle rect, Datum d)
{
int x = rect.Right + 16;
int y = rect.Top;
g.DrawString(_title + " " + _total, _font, Brushes.DarkGray, x, y);
y += 20;
g.DrawString(d.Name, _font, Brushes.DarkGray, x, y);
y += 20;
g.DrawString(d.Value.ToString() + " (" + (int)(d.Value*100/_total)+ "%)", _font, Brushes.DarkGray, x, y);
}
Brush GetBrush(Datum d)
{
return d.Brush;
}