How to use COUNTA function in vba?

Question

Visual Basic

Fill in the cells from A1 to F1 with characters
in the eSel Write the formula =COUNTA(A1:F1) in Excel,
get the value 6 (six non-empty cells)
According to the link
howtoo.ru/ispol-zovanie-funktsij-microsoft-excel-v...
to to use the excel function in vba, you must write
Application.WorksheetFunction before the function.
Ok, we're writing. It turns
out MsgBox Application.WorksheetFunction.CountA("A1:F1")
We run the script, we get 1. Why one? Must be six!