| xlSheetHidden | |
| xlSheetVisible | |
| xlSheetVeryHidden | Hides the sheet so that the only way for you to make it visible again is by setting this property to True or xlSheetVisible (the user cannot make the sheet visible) |
Workbook.Sheets[1].Visible := False;
Workbook.Sheets[1].Visible := xlSheetHidden;
With Workbook.Sheets[1] do begin
if Visible = xlSheetVisible then
Name := 'Visible Sheet'
else
Name := 'InVisible Sheet';
end;