win32gui_taskbar.py 文件源码

def __init__(self):
        msg_TaskbarRestart = win32gui.RegisterWindowMessage("TaskbarCreated");
        message_map = {
                msg_TaskbarRestart: self.OnRestart,
                win32con.WM_DESTROY: self.OnDestroy,
                win32con.WM_COMMAND: self.OnCommand,
                win32con.WM_USER+20 : self.OnTaskbarNotify,
        }
        # Register the Window class.
        wc = win32gui.WNDCLASS()
        hinst = wc.hInstance = win32api.GetModuleHandle(None)
        wc.lpszClassName = "PythonTaskbarDemo"
        wc.style = win32con.CS_VREDRAW | win32con.CS_HREDRAW;
        wc.hCursor = win32api.LoadCursor( 0, win32con.IDC_ARROW )
        wc.hbrBackground = win32con.COLOR_WINDOW
        wc.lpfnWndProc = message_map # could also specify a wndproc.

        # Don't blow up if class already registered to make testing easier
        try:
            classAtom = win32gui.RegisterClass(wc)
        except win32gui.error as err_info:
            if err_info.winerror!=winerror.ERROR_CLASS_ALREADY_EXISTS:
                raise

        # Create the Window.
        style = win32con.WS_OVERLAPPED | win32con.WS_SYSMENU
        self.hwnd = win32gui.CreateWindow( wc.lpszClassName, "Taskbar Demo", style, \
                0, 0, win32con.CW_USEDEFAULT, win32con.CW_USEDEFAULT, \
                0, 0, hinst, None)
        win32gui.UpdateWindow(self.hwnd)
        self._DoCreateIcons()