The message box is an amazing feature. You can use it in a debugging session to work with the state of your code at the breakpoint.
Bernard On Fri, May 8, 2009 at 7:43 AM, Stephen Cox <[email protected]> wrote: > Lol. Of course. I knew it would be easy. Thanks. > > For the life of me I could not find an example in the docs; the user guild > or online. > > The messagebox? I hardly use it. Gets in the way mostly. I've been using it > to look at global variables. I know you can run commands. But if you don't > know the commands, it's no help. Or am I wrong about this? > > > On 5/8/09 2:35 AM, "Joe Lewis Wilkins" <[email protected]> wrote: > >> Stephen, >> >> Without even checking, since it's the way it would be done in HC, just >> use: >> >> if tUsername is empty then .... >> >> if tUsername exists then ... >> >> You were already there. Didn't you check these out in the messagebox? >> >> Joe Wilkins >> >> On May 7, 2009, at 11:25 PM, Stephen Cox wrote: >> >>> Really two questions: >>> >>> How do I check if a variable is empty? Sort of like; >>> >>> If !empty(tUsername) >>> // process here >>> Endif >>> >>> Empty() is a Foxpro function that pops if what you are checking is >>> empty. I >>> can¹t seem to find it¹s equivalent in revolution. Am I approaching >>> this the >>> wrong way? And can I check fields the same way? >>> >>> I suppose I could create an empty variable and just compare the 2? >>> But is >>> there an easier way? >>> >>> Next question; checking the existence of a variable? Now I know I >>> can turn >>> on Strict Compilation (and I have) but I¹d rather have the assurance >>> of >>> checking to see if a variable exist? Is this a non-issue in >>> Revolution? >>> >>> Thanks >>> >>> -Stephen Cox >> >> _______________________________________________ >> use-revolution mailing list >> [email protected] >> Please visit this url to subscribe, unsubscribe and manage your subscription >> preferences: >> http://lists.runrev.com/mailman/listinfo/use-revolution > > _______________________________________________ > use-revolution mailing list > [email protected] > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: > http://lists.runrev.com/mailman/listinfo/use-revolution > _______________________________________________ use-revolution mailing list [email protected] Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-revolution
