Option Compare Database
Option Explicit
Private Sub bt1_Click()
Dim value As String
value = "Accessむかむか"
MsgBox value & vbCrLf & _
"Len=" & Len(value) & vbCrLf & _
"LenB=" & LenB(value) & vbCrLf & _
"バイト数=" & LenB(StrConv(value, vbFromUnicode))
End Sub