def OnSubMenuSub_about_menuMenu(self, event):
dlg = About(self)
try:
if dlg.ShowModal() == wx.ID_OK:
pass
finally:
dlg.Destroy()
def OnAbout(self, event):
'''
:显示软件的功能等信息
:param event:事件值
'''
dlg = About(self)
dlg.ShowModal() #显示“关于”窗口
dlg.Destroy()