Sub test()
Dim cpos As String
With Selection.Range
cpos = .Information(10) & " 行 " & .Information(9) & " 桁"
If .Text = "" Then
MsgBox cpos, vbInformation, "カーソル位置"
Else
MsgBox "ドラッグされた文字列" & vbCrLf & .Text, vbInformation, cpos
End If
End With
End Sub