易语言截获外部窗口任意消息例程源码,截获外部窗口任意消息例程,onhook,unhook,SetWindowsHookExA,CallNextHookEx,UnhookWindowsHookEx,PostMessageA,SendMessageA,LoadLibraryA,FreeLibrary,GetProcAddress,GetWindowThreadProcessId,GetPropA,FindWindowA