Sub Queryopen(Source As Notesuidocument,Mode As Integer,Isnewdoc As Variant, Continue As Variant)
Dim session As New NotesSession Dim db As NotesDatabase Set db = session.CurrentDatabase Dim size As Double Dim Quota As Double size = db.size if size > 50000000 Then 'bytes
Msgbox “您的信箱已太大,请先删除部分信件后再压缩信箱,压缩完成后,即可写信。” Continue = False Exit Sub