klyn.io.xlsx.WorkbookWorksheets.lastIndexOf
method
public override lastIndexOf(item as Worksheet, start as Int = -1) as Int:
Description

Returns the last index containing the worksheet reference.

Parameters
ParameterDescription
itemWorksheet to locate.
startReverse-search position, or -1 to start at the end.
Returns

Matching index, or -1 when absent.

Example
index = workbook.worksheets.lastIndexOf(sheet)