That depends on how you are "checking the network". So what are you doing and what's the code look like that you're using to do this? A guide to posting questions on CodeProject[^] Dave Kreskowiak Microsoft MVP Visual Developer - Visual Basic      2006, 2007

khan++ wrote: Is it of no significant importance to you as a beginner... I know what you are intending to say, but most beginners have a bad habit of using global variables/functions. "The greatest good you can do for another is not just to share your riches but to reveal to him his own." - Benjamin Disraeli

hi Shaw I know MFC is simply a wrapper for WIN32 API. if i want to code win32 app. i have to learn pure win32 coding without any choice. ۞It is on our failures that we base a new and different and better success.

ThatsAlok wrote: Pass SW_MAXIMIZE in nShow parameter In this case, I can click on restore button of window and I can still touch the parent screen. I mean the end user does not have no way to transfer to another screen until the new program is closed. I want the new program running as top-level window. Thank you very much.