Sets the cell offset.
| Name | Type | Description |
| nRow | number | The row number. |
| nCol | number | The column number. |
builder.CreateFile("xlsx");
var oWorksheet = Api.GetActiveSheet();
oWorksheet.GetRange("B3").SetValue("Old Range");
var oRange = oWorksheet.GetRange("B3");
oRange.SetOffset(2, 2);
oRange.SetValue("New Range");
builder.SaveFile("xlsx", "SetOffset.xlsx");
builder.CloseFile();