'Ignore UserForm external margins for a precise visual position
If IgnoreUserFormExternalMargins Then
LeftMarginShift = (UserForm.Width - UserForm.InsideWidth) / 2
#If Mac Then
TopMarginShift = LeftMarginShift
#Else
'Windows old UserForm versions have a difference (Width - InsideWidth) = 4.8 and must NOT be shifted
'Windows new UserForm versions have a difference (Width - InsideWidth) = 10.8 and must be shifted
If LeftMarginShift < 2.5 Then LeftMarginShift = 0'il faut que je remtte 2 ici