Copies a worksheet in the workbook to another position in the workbook.

 public void CopySheet(Worksheet sheet, int position, System.String newName)
Public Sub CopySheet(ByVal sheet As Worksheet, ByVal position As Integer, ByVal newName As String)

A Worksheet object representing the sheet to copy.

The 0-based position at which to insert a copy of the specified worksheet. If position is less than 0, it is inserted before the first sheet in the workbook. If position is equal to or greater than Worksheets.Count, it is inserted after the last worksheet.

the new name to use for this worksheet.

This method is intended to allow for copying of sheets from one position to another within a single workbook. To copy content from a worksheet in one workbook to worksheet in another workbook, use the Worksheet.CopyPaste

sheets.CopySheet(ws1, 0, "Sheet2");
sheets.CopySheet(ws1, 0, "Sheet2")