python windows右下角消息提示

# coding: cp936
import win32gui
import win32con
import time
class TestTaskbarIcon:
def __init__(self):
# 注册一个窗口类
wc = win32gui.WNDCLASS()
hinst = wc.hInstance = win32gui.GetModuleHandle(None)
wc.lpszClassName = "PythonTaskbarDemo"
wc.lpfnWndProc = {win32con.WM_DESTROY: self.OnDestroy, }
classAtom = win32gui.RegisterClass(wc)
style = win32con.WS_OVERLAPPED | win32con.WS_SYSMENU
self.hwnd = win32gui.CreateWindow(classAtom, "Taskbar Demo", style,
0, 0, win32con.CW_USEDEFAULT, win32con.CW_USEDEFAULT,
0, 0, hinst, None)
hicon = win32gui.LoadIcon(0, win32con.IDI_APPLICATION)
nid = (self.hwnd, 0, win32gui.NIF_ICON, win32con.WM_USER + 20, hicon, "Demo")
win32gui.Shell_NotifyIcon(win32gui.NIM_ADD, nid)
def showMsg(self, title, msg):
# 原作者使用Shell_NotifyIconA方法代替包装后的Shell_NotifyIcon方法
# 据称是不能win32gui structure, 我稀里糊涂搞出来了.
# 具体对比原代码.
nid = (self.hwnd,
# 句柄
0,
# 托盘图标ID
win32gui.NIF_INFO,
# 标识
0,
# 回调消息ID
0,
# 托盘图标句柄
"TestMessage",
# 图标字符串
msg,
# 气球提示字符串
0,
# 提示的显示时间
title,
# 提示标题
win32gui.NIIF_INFO
# 提示用到的图标
)
win32gui.Shell_NotifyIcon(win32gui.NIM_MODIFY, nid)
def OnDestroy(self, hwnd, msg, wparam, lparam):
nid = (self.hwnd, 0)
win32gui.Shell_NotifyIcon(win32gui.NIM_DELETE, nid)
win32gui.PostQuitMessage(0)
# Terminate the app.
if __name__ == '__main__':
t = TestTaskbarIcon()
t.showMsg("您有新的文件，请登录查看", "Mr a2man!")
time.sleep(5)
win32gui.DestroyWindow(t.hwnd)