On 12/29/05, Miguel de Icaza <[EMAIL PROTECTED]> wrote: > Hello, > > > I'd like to have a function that opens a link in the user's web > > browser. Googling about it I didn't find an arch-independent solution. > > The best I could do until now is: > > The answers to this post deserve to make it into our FAQ. > > Felipe, do you have a summary? I can give you a Wiki account, it might > come in handy later as well., > > Miguel >
You mean something like: == How to open a link in the user's browser? == Currently different environments have different ways of opening the user's web browser: * Windows: you just execute a command with only the URL of the site and its shell opens the right web browser. * Linux: there are several different systems. On GNOME you can use "gnome-open" command. You could also read the BROWSER environment variable or use the "sensible-browser" command on Debian systems, but these may call a console browser, which is not desirable. Another possiblity is to try to open several common browsers, such as Firefox, Epiphany, Konqueror, Galeon, Mozilla and Opera. * Mac: you can use the "open" command. If you want your program to be cross-platform, you have to try to support each way of opening an URL. You can do so by having a function like: <code> using System; using System.Diagnostics; /// <summary> /// Tries to open a link on the user's web browser. /// </summary> /// <remarks> /// You just need to call this function with the URL of the address of the /// web site and have a fallback in case it returns false. /// <return> /// Returns true if the link could be successfully opened, false otherwise. /// </return> /// <param name="address"> /// The URL of the site you want to open (e.g. "http://www.mono-project.com/";). /// </param> public static bool OpenLink(string address) { try { int plat = (int) Environment.OSVersion.Platform; if ((plat != 4) && (plat != 128)) { // Use Microsoft's way of opening sites Process.Start(address); } else { // We're on Unix, try gnome-open (used by GNOME), then open // (used my MacOS), then Firefox or Konqueror browsers (our last // hope). string cmdline = String.Format("gnome-open {0} || open {0} || "+ "firefox {0} || mozilla-firefox {0} || konqueror {0}", address); Process proc = Process.Start (cmdline); // Sleep some time to wait for the shell to return in case of error System.Threading.Thread.Sleep(250); // If the exit code is zero or the process is still running then // appearently we have been successful. return (!proc.HasExited || proc.ExitCode == 0); } } catch (Exception e) { // We don't want any surprises return false; } } </code> If your program is meant to be run only under GNOME, you have a better and easier solution, however. It is suficient to call Gnome.Url::Show, as shown below: <code> import Gnome; ... public void OpenMyProgramWebsite() { Url.Show("http://websiteofmyproject/";); } </code> -- "Quem excele em empregar a força militar subjulga os exércitos dos outros povos sem travar batalha, toma cidades fortificadas dos outros povos sem as atacar e destrói os estados dos outros povos sem lutas prolongadas. Deve lutar sob o Céu com o propósito primordial da 'preservação'. Desse modo suas armas não se embotarão, e os ganhos poderão ser preservados. Essa é a estratégia para planejar ofensivas." -- Sun Tzu, em "A arte da guerra"
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