win32gui_dialog.py 文件源码

def OnCommand(self, hwnd, msg, wparam, lparam):
        id = win32api.LOWORD(wparam)
        if id == IDC_BUTTON_SEARCH:
            self.ClearListItems()
            def fill_slowly(q, hwnd):
                import time
                for i in range(20):
                    q.put(("whatever", str(i+1), "Search result " + str(i) ))
                    win32gui.PostMessage(hwnd, WM_SEARCH_RESULT, 0, 0)
                    time.sleep(.25)
                win32gui.PostMessage(hwnd, WM_SEARCH_FINISHED, 0, 0)

            import threading
            self.result_queue = queue.Queue()
            thread = threading.Thread(target = fill_slowly, args=(self.result_queue, self.hwnd) )
            thread.start()
        elif id == IDC_BUTTON_DISPLAY:
            print("Display button selected")
            sel = win32gui.SendMessage(self.hwndList, commctrl.LVM_GETNEXTITEM, -1, commctrl.LVNI_SELECTED)
            print("The selected item is", sel+1)

    # These function differ based on how the window is used, so may be overridden