private void AddTop10_1()
{
FormatConditionCollection conds = GetFormatCondition("A17:C20", Color.Gray);
int idx = conds.AddCondition(FormatConditionType.Top10);
FormatCondition cond = conds[idx];
cond.Style.BackgroundColor = Color.Yellow;
cond.Style.Pattern = BackgroundType.Solid;
}
// This method implements another Top10 conditional formatting type.