using Microsoft.Office.Interop.Excel; using RhSolutions.Models; using System.Linq; namespace RhSolutions.Services { public static class WorksheetExtensions { public static bool IsRehauSource(this Worksheet worksheet) { Range amountCell; Range skuCell; Range groupCell; Range nameCell; Range[] cells = new[] { amountCell = worksheet.Cells.Find(PriceListHeaders.Amount), skuCell = worksheet.Cells.Find(PriceListHeaders.Sku), groupCell = worksheet.Cells.Find(PriceListHeaders.Group), nameCell = worksheet.Cells.Find(PriceListHeaders.Name) }; return cells.All(x => x != null); } public static void AddValue(this Range range, double value) { if (range.Value2 == null) { range.Value2 = value; } else { range.Value2 += value; } } } }