private void btn_RenderCal_Click(object sender, EventArgs e)
{
if (this.lb_RenderIndexGeo.SelectedItems.Count > 0 && (this.lb_RenderIndexGeo.SelectedItems[0] as CheckIndexEdit).NewIndex.IsInitail)
{
CheckIndexEdit SelectIndexItem = this.lb_RenderIndexGeo.SelectedItems[0] as CheckIndexEdit;
IRenderIndexInfo tempIndexInfo = featureCls.CalculateDefaultRenderIndex(SelectIndexItem.GeoFieldName);
SelectIndexItem.NewIndex.L1 = tempIndexInfo.L1;
this.SetRenderIndexControl(SelectIndexItem.GeoFieldName, SelectIndexItem.NewIndex);
}
}