private FormatConditionCollection GetFormatCondition(string cellAreaName, Color color)
{
// Adds an empty conditional formattings
int index = _sheet.ConditionalFormattings.Add();
// Get the formatted conditions
FormatConditionCollection formatConditions = _sheet.ConditionalFormattings[index];
// Get the cell area calling the custom GetCellAreaByName method
CellArea area = GetCellAreaByName(cellAreaName);
// Add the formatted conditions cell area.
formatConditions.AddArea(area);
// Call the custom FillCell method
FillCell(cellAreaName, color);
// Return the formatted conditions
return formatConditions;
}