private void StockChart_FormClosing(object sender, FormClosingEventArgs e)
{
//e.Cancel = true;
//this.Hide();
for (int i = this.Controls.Count; i > 0; i--)
{
StockChartCtrl c = this.Controls[i - 1] as StockChartCtrl;
c.Dispose();
}
this.Controls.Clear();
}
