# IupHelp

Definition: | include pGUI.e integer res = IupHelp(string url)
Description: | Opens the given URL. In UNIX executes Netscape, Safari (MacOS) or Firefox (in Linux) passing the desired URL as a parameter. In Windows executes the shell "open" operation on the given URL. In UNIX you can change the used browser setting the environment variable IUP_HELPAPP or using the global attribute "HELPAPP". It is a non synchronous operation, i.e. the function will return just after execute the command and it will not wait for its result. url: may be any kind of address accepted by the Browser, that is, it can include "http://", or be just a file name, etc. Returns: 1 if successful, -1 if failed. In Windows can return -2 if file not found.
pwa/p2js: | Not supported.