test_callbacks.py 文件源码

def test_issue_8959_b(self):
        from ctypes.wintypes import BOOL, HWND, LPARAM
        global windowCount
        windowCount = 0

        @WINFUNCTYPE(BOOL, HWND, LPARAM)
        def EnumWindowsCallbackFunc(hwnd, lParam):
            global windowCount
            windowCount += 1
            return True #Allow windows to keep enumerating

        windll.user32.EnumWindows(EnumWindowsCallbackFunc, 0)