private void btnDraw_Click(object sender, EventArgs e)
{
string[] filter = null;
if (txtFilter.Text.Length > 0)
{
filter = txtFilter.Text.Split(';');
}
Extender.Build(
this.data,
filter,
(cmbS.SelectedItem as ListItem).Value as PropertyInfo,
(cmbX.SelectedItem as ListItem).Value as PropertyInfo,
(cmbY.SelectedItem as ListItem).Value as PropertyInfo,
this.chcChart,
(System.Windows.Forms.DataVisualization.Charting.SeriesChartType)cmbChartType.SelectedItem);
}