Разве это не простой случай управления потоком? Я не понимаю необходимости специальных ключевых слов для ее решения:
For i = 0 To 10
If Not condition Then
some other code
Next
РЕДАКТИРОВАТЬ: Или, в вашем коде:
Sub Macro1()
'
' Macro1 Macro
'
'
Worksheets("Drop-down").Select
n = Cells(1, 1).End(xlDown).Row
For i = 1 To n
ActiveSheet.Cells(i, 2).Select
*******************************************************
If Not Worksheets("Misc").Cells(2, i).Value = "" Then
*******************************************************
If Worksheets("Misc").Cells(3, i).Value <> "" Then
Set validationRange = Range(Worksheets("Misc").Cells(2, i), Worksheets("Misc").Cells(2, i).End(xlDown))
Else
Set validationRange = Worksheets("Misc").Cells(2, i)
End If
With Selection.Validation
.Delete
.Add Type:=xlValidateList, AlertStyle:=xlValidAlertStop, Operator:= _
xlBetween, Formula1:=validationRange.Address
.IgnoreBlank = True
.InCellDropdown = True
.InputTitle = ""
.ErrorTitle = ""
.InputMessage = ""
.ErrorMessage = ""
.ShowInput = True
.ShowError = True
End With
********
End If
********
Next
End Sub