def sendFile(self, event):
if Chat.chatWith == None:
wx.MessageBox("请选择一位好友", "提示", parent=self)
return
dlg = wx.FileDialog(self, u"请选择文件")
if dlg.ShowModal() == wx.ID_OK:
path = dlg.GetPath()
filename = dlg.GetFilename()
Chat.SendFile(path, filename)
