How can I invoke Windows help from Uniface?
On the Windows 3.x, NT and Windows 95 platforms you can expand the help system that comes with the OS by creating help files (extension .HLP) then using a spawn command to invoke the help application. The following code fragment can be placed in a central procedure and invoked when required, e.g. from a menu or context sensitive help. if ($$HELP_TOPIC = “”) spawn “winhelp HELPFILE.HLP” else spawn “winhelp -i %%$$HELP_TOPIC HELPFILE.HLP” endif If $$HELP_TOPIC is blank, Winhelp will open the helpfile at the top level, usually a list of topics. If the help context is specified in the variable, the -i switch is used to jump to the relevant section of the file. A number of applications include utilities that assist with the creation of help files, including Visual Basic, Visual C++ and Delphi. There are also a number of third-party and shareware applications available. Scott Cook recently provided the following Microsoft reference document to supplement this information, which is not availa
