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)