TXlsFile.RemoveWebAddinTaskPanes Method
Removes all task pane web add-ins from the file. Note that this will only remove the task pane addins. You can remove the content addins by removing the corresponding objects in the sheet with TExcelFile.DeleteObject(Integer)
Syntax
Unit: FlexCel.XlsAdapter
procedure TXlsFile.RemoveWebAddinTaskPanes; override;