Thanks Mark, that is certainly much clearer than what the Dictionary says. I've found this nice short example on the List but before I add it to the Dictionary I would appreciate if someone could confirm it works in the latest version of Windows. The poster made a snide comment that it may or may not work with certain flavours of VBScript & Windows:
put "result = FormatCurrency(25432)" into tScript do tScript as vbscript put the result As long as your system region settings are what you expect you should get $25,432.00 in the message box On Thu, Feb 4, 2016 at 12:59 AM, Mark Waddingham <m...@livecode.com> wrote: > On 2016-02-03 16:25, Kay C Lan wrote: > >> So again this leave me wonder as to the real situation with Windows? Can >> it >> be like OS X where you simply check LC's 'the result' ? On Windows how do >> you know when you NEED to declare <result> in VBScript and when you don't >> ? >> > > My AppleScript and VBScript are a little rusty, however if I recall > correctly... > > All statements in AppleScript notionally return a value (just like > JavaScript). This means that if you execute a snippet of AppleScript, there > is a well-defined 'result' which can be returned. So all the engine does > for AppleScript is use the returned value from the 'exec code snippet' API > that is used to set 'the result' on the LiveCode side. > > In contrast, no statements in VBScript return a value - only expressions > do. This means that when you execute a snippet of VBScript there is no > return value to be had from the API which is used. To work-around this the > engine does the following: > 1) execute snippet of VBScript > 2) if the script has declared a global 'result' variable, take the value > of that and set 'the result' on the LiveCode side > 3) if the script has not declared a global 'result' variable, then set > 'the result' to empty on the LiveCode side > > Therefore, in answer to your question, if you want your VBScript code > snippet to return a value to LiveCode when using 'do ... as ...', you have > to declare a global variable called 'result' in the snippet and set that to > the return value you want LiveCode to see (in that snippet). > > Hope this helps! > > Mark. > > -- > Mark Waddingham ~ m...@livecode.com ~ http://www.livecode.com/ > LiveCode: Everyone can create apps > > > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your > subscription preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode > _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
