public static void Run()
{
// Create an instance of Workbook
Workbook workbook = new Workbook();
// Access first Worksheet from the collection
Worksheet sheet = workbook.Worksheets[0];
// Access Cell A1 and put a formula to sum values of B1 to B2
Cell a1 = sheet.Cells["A1"];
a1.Formula = "=Sum(B1:B2)";
// Assign values to cells B1 & B2
sheet.Cells["B1"].PutValue(10);
sheet.Cells["B2"].PutValue(10);
// Calculate all formulas in the Workbook
workbook.CalculateFormula();
// The result of A1 should be 20 as per default calculation engine
Console.WriteLine("The value of A1 with default calculation engine: " + a1.StringValue);
// Create an instance of CustomEngine
CustomEngine engine = new CustomEngine();
// Create an instance of CalculationOptions
CalculationOptions opts = new CalculationOptions();
// Assign the CalculationOptions.CustomEngine property to the instance of CustomEngine
opts.CustomEngine = engine;
// Recalculate all formulas in Workbook using the custom calculation engine
workbook.CalculateFormula(opts);
// The result of A1 will be 50 as per custom calculation engine
Console.WriteLine("The value of A1 with custom calculation engine: " + a1.StringValue);
Console.WriteLine("Press any key to continue...");
Console.ReadKey();
}
}
