public static void Run()
{
// ExStart:1
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
string InputPath = dataDir + "book1.xlsx";
// Creating a file stream containing the Excel file to be opened
FileStream fstream = new FileStream(InputPath, FileMode.Open);
// Opening the Excel file through the file stream
Workbook workbook = new Workbook(fstream);
// Adding a new worksheet to the Workbook object
int i = workbook.Worksheets.Add();
// Obtaining the reference of the newly added worksheet by passing its sheet index
Worksheet worksheet = workbook.Worksheets[i];
// Setting the name of the newly added worksheet
worksheet.Name = "My Worksheet";
// Saving the Excel file
workbook.Save(dataDir + "output.xlsx");
// ExEnd:1
}
}