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Launching a site from within program

Started by Ganoosh_ Sep 22, 2006 at 3:28 PM 2 replies 500+ views

Original Post

Sep 22, 2006 at 3:28 PM

Using C++ on Windows, trying to make a button that will launch my site when clicked. I know how to launch programs, but how would I make it launch the default browser on the user's computer, rather than just hardcoding it for IE or Firefox. Is there a system variable maybe? Also, how do I pass the URL to the browser so it opens the designated site? Thanks in advance

dave

322

dave

Sep 22, 2006 at 3:43 PM

I'm not sure about finding the default browser but my best guess would be that it is stored as a registry key. To get the browser to open a url, pass it on the command line.

Dave

Excors

Sep 22, 2006 at 3:47 PM

You could see how wxWidgets does it in wxLaunchDefaultBrowser - in the case where it's on Windows and it doesn't have to be a new browser window, it looks like it's basically doing

    SHELLEXECUTEINFO sei;    ::ZeroMemory(&sei, sizeof(SHELLEXECUTEINFO));    sei.cbSize = sizeof(SHELLEXECUTEINFO);    sei.lpFile = url.c_str();    sei.lpVerb = _T("open");    sei.nShow = SW_SHOWNORMAL;    ::ShellExecuteEx(&sei);

Mike.Popoloski

197

Mike.Popoloski

Sep 22, 2006 at 4:21 PM

Yes, ShellExecute is your friend. You can use it to perform actions that are normally accessed by right clicking on an icon on the desktop. You don't have to use the Ex version, which is a little more complicated. Instead, just do something like this:

ShellExecute( NULL, NULL, "http://www.mysite.com", NULL, NULL, SW_SHOW );

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