Re: Goofy question #7234
Old question but.. since its a function, whether you use do or not, gotta have the () at the end. On Wed, Aug 23, 2017 at 8:57 AM, Jonathan Lynch via use-livecode < use-livecode@lists.runrev.com> wrote: > Sorry - old message that randomly popped up in my email! > > Sent from my iPhone > > > On Aug 23, 2017, at 10:53 AM, jonathandly...@gmail.com wrote: > > > > The "do" command converts text into a command. Like this: > > > > Put "answer 5" into tcommand > > Do tcommand > > > > This is useful in some situations, but usually it is more efficient to > just say: > > > > Answer 5 > > > > Sent from my iPhone > > > >> On Jul 10, 2017, at 11:23 AM, J. Landman Gay via use-livecode < > use-livecode@lists.runrev.com> wrote: > >> > >> I wrote this explanation a long time ago for someone else: > >> http://www.hyperactivesw.com/resources_function.html > >> > >> Also, in your command handler example, you don't need "do" which adds > unnecessary overhead. This is enough: > >> > >> on mouseUp > >> GoRed > >> end mouseUp > >> > >> -- > >> Jacqueline Landman Gay | jac...@hyperactivesw.com > >> HyperActive Software | http://www.hyperactivesw.com > >> > >> > >> > >>> On July 10, 2017 1:50:39 AM Richmond Mathewson via use-livecode < > use-livecode@lists.runrev.com> wrote: > >>> > >>> I am obviously missing something . . . > >>> > >>> . . . so badly so that I've been trawling Danny Goodman's "Complete" HC > >>> 2 . . . > >>> > >>> and NOT getting 'it' . . . > >>> > >>> SO: one can set up a custom command: > >>> > >>> on GoRed > >>> set the backGroundColor of card 1 to red > >>> end GoRed > >>> > >>> and one can call it: > >>> > >>> on mouseUp > >>> do GoRed > >>> end mouseUp > >>> > >>> and one can set up a custom function: > >>> > >>> function GoRed > >>> set the backGroundColor of card 1 to red > >>> end function > >>> > >>> Now: is the reason I cannot call that function because it takes NO > >>> parameters? > >>> > >>> Richmond. > >>> ___ > >>> 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 > > ___ > 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
Re: Goofy question #7234
Sorry - old message that randomly popped up in my email! Sent from my iPhone > On Aug 23, 2017, at 10:53 AM, jonathandly...@gmail.com wrote: > > The "do" command converts text into a command. Like this: > > Put "answer 5" into tcommand > Do tcommand > > This is useful in some situations, but usually it is more efficient to just > say: > > Answer 5 > > Sent from my iPhone > >> On Jul 10, 2017, at 11:23 AM, J. Landman Gay via use-livecode >> wrote: >> >> I wrote this explanation a long time ago for someone else: >> http://www.hyperactivesw.com/resources_function.html >> >> Also, in your command handler example, you don't need "do" which adds >> unnecessary overhead. This is enough: >> >> on mouseUp >> GoRed >> end mouseUp >> >> -- >> Jacqueline Landman Gay | jac...@hyperactivesw.com >> HyperActive Software | http://www.hyperactivesw.com >> >> >> >>> On July 10, 2017 1:50:39 AM Richmond Mathewson via use-livecode >>> wrote: >>> >>> I am obviously missing something . . . >>> >>> . . . so badly so that I've been trawling Danny Goodman's "Complete" HC >>> 2 . . . >>> >>> and NOT getting 'it' . . . >>> >>> SO: one can set up a custom command: >>> >>> on GoRed >>> set the backGroundColor of card 1 to red >>> end GoRed >>> >>> and one can call it: >>> >>> on mouseUp >>> do GoRed >>> end mouseUp >>> >>> and one can set up a custom function: >>> >>> function GoRed >>> set the backGroundColor of card 1 to red >>> end function >>> >>> Now: is the reason I cannot call that function because it takes NO >>> parameters? >>> >>> Richmond. >>> ___ >>> 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 ___ 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
Re: Goofy question #7234
The "do" command converts text into a command. Like this: Put "answer 5" into tcommand Do tcommand This is useful in some situations, but usually it is more efficient to just say: Answer 5 Sent from my iPhone > On Jul 10, 2017, at 11:23 AM, J. Landman Gay via use-livecode > wrote: > > I wrote this explanation a long time ago for someone else: > http://www.hyperactivesw.com/resources_function.html > > Also, in your command handler example, you don't need "do" which adds > unnecessary overhead. This is enough: > > on mouseUp > GoRed > end mouseUp > > -- > Jacqueline Landman Gay | jac...@hyperactivesw.com > HyperActive Software | http://www.hyperactivesw.com > > > >> On July 10, 2017 1:50:39 AM Richmond Mathewson via use-livecode >> wrote: >> >> I am obviously missing something . . . >> >> . . . so badly so that I've been trawling Danny Goodman's "Complete" HC >> 2 . . . >> >> and NOT getting 'it' . . . >> >> SO: one can set up a custom command: >> >> on GoRed >> set the backGroundColor of card 1 to red >> end GoRed >> >> and one can call it: >> >> on mouseUp >>do GoRed >> end mouseUp >> >> and one can set up a custom function: >> >> function GoRed >> set the backGroundColor of card 1 to red >> end function >> >> Now: is the reason I cannot call that function because it takes NO >> parameters? >> >> Richmond. >> ___ >> 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 ___ 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
Re: Goofy question #7234
I wrote this explanation a long time ago for someone else: http://www.hyperactivesw.com/resources_function.html Also, in your command handler example, you don't need "do" which adds unnecessary overhead. This is enough: on mouseUp GoRed end mouseUp -- Jacqueline Landman Gay | jac...@hyperactivesw.com HyperActive Software | http://www.hyperactivesw.com On July 10, 2017 1:50:39 AM Richmond Mathewson via use-livecode wrote: I am obviously missing something . . . . . . so badly so that I've been trawling Danny Goodman's "Complete" HC 2 . . . and NOT getting 'it' . . . SO: one can set up a custom command: on GoRed set the backGroundColor of card 1 to red end GoRed and one can call it: on mouseUp do GoRed end mouseUp and one can set up a custom function: function GoRed set the backGroundColor of card 1 to red end function Now: is the reason I cannot call that function because it takes NO parameters? Richmond. ___ 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
Re: Goofy question #7234
That is cool. As soon as 9 release candidates are released I will have to look hard at v9. Unfortunately I do not develop for a living (exactly) so I do not have a lot of time for running a DP through it's paces. Bob S > On Jul 10, 2017, at 06:01 , Mike Kerner via use-livecode > wrote: > > In the newfangled LC world, you can even do things the way the engine can - > using "return for value" (or just "return") and "return for error" to allow > commands to return values, too. Then "it" gets values that are returned, > and "the result" gets errors that are returned. 9 is fun. > funfunfunfunfunfunfun ___ 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
Re: Goofy question #7234
In the newfangled LC world, you can even do things the way the engine can -
using "return for value" (or just "return") and "return for error" to allow
commands to return values, too. Then "it" gets values that are returned,
and "the result" gets errors that are returned. 9 is fun.
funfunfunfunfunfunfun
On Mon, Jul 10, 2017 at 4:29 AM, Tore Nilsen via use-livecode <
use-livecode@lists.runrev.com> wrote:
> Here is what I teach my students:
>
> Use the function to return a value to the calling handler, set the
> properties in the handler, not in the function itself, like this:
>
> on mouseUp
> set backgroundColor of this card to goRed()
> end mouseUp
>
> function goRed
> return “red”
> end goRed
>
> The benefit of this is that you can call the function from various
> handlers and sending whatever parameter you like. Here is a script that
> returns different colours
> depending on which card you open when you call the function. Everything is
> placed in the stack script:
>
> on preOpenCard
> put short name of this card into tCard
> set backgroundColor of card tCard to setColour(tCard)
> end preOpenCard
>
> function setColour pCard
> if pCard = “One” then
>return “red”
> else
>return “blue”
> end if
> end setColour
>
>
> Regards
> Tore Nilsen
>
> > 10. jul. 2017 kl. 10:09 skrev Tim Selander via use-livecode <
> use-livecode@lists.runrev.com>:
> >
> > Hi Richmond
> >
> > This works (both scripts in the button):
> > on mouseUp
> > put goRed()
> > end mouseUp
> >
> > function goRed
> > set the backGroundColor of card 1 to red
> > end goRed
> >
> > I think the general idea is that a function returns information. So
> date() returns the date. But just having a line "date()" in the script
> causes an error because you haven't told it what to do with the info being
> returned. So you need "put data()" and then the info will go to the message
> box.
> >
> > Your function doesn't return any data. That's your choice when you write
> it. But the engine is still expecting a function to return info, so you
> still have to say "put" trigger the function.
> >
> > You could write your function with a parameter:
> > function goRed foo
> > set the backGroundColor of foo to red
> > end goRed
> >
> > Then call the function like this:
> > put goRed("card 1")
> > put goRed("card 3")
> > etc., and the one function can be used to turn both card 1 and card 3
> (and any other object you specify in foo) red.
> >
> > Hope that helps.
> >
> > Tim Selander
> > Tokyo, Japan
> >
> >
> >
> >
> >
> > On 7/10/17, 15:48, Richmond Mathewson via use-livecode wrote:
> >> I am obviously missing something . . .
> >>
> >> . . . so badly so that I've been trawling Danny Goodman's "Complete" HC
> 2 . . .
> >>
> >> and NOT getting 'it' . . .
> >>
> >> SO: one can set up a custom command:
> >>
> >> on GoRed
> >> set the backGroundColor of card 1 to red
> >> end GoRed
> >>
> >> and one can call it:
> >>
> >> on mouseUp
> >> do GoRed
> >> end mouseUp
> >>
> >> and one can set up a custom function:
> >>
> >> function GoRed
> >> set the backGroundColor of card 1 to red
> >> end function
> >>
> >> Now: is the reason I cannot call that function because it takes NO
> parameters?
> >>
> >> Richmond.
> >> ___
> >> 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
>
>
> ___
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> use-livecode@lists.runrev.com
> Please visit this url to subscribe, unsubscribe and manage your
> subscription preferences:
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>
--
On the first day, God created the heavens and the Earth
On the second day, God created the oceans.
On the third day, God put the animals on hold for a few hours,
and did a little diving.
And God said, "This is good."
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Re: Goofy question #7234
Here is what I teach my students:
Use the function to return a value to the calling handler, set the properties
in the handler, not in the function itself, like this:
on mouseUp
set backgroundColor of this card to goRed()
end mouseUp
function goRed
return “red”
end goRed
The benefit of this is that you can call the function from various handlers and
sending whatever parameter you like. Here is a script that returns different
colours
depending on which card you open when you call the function. Everything is
placed in the stack script:
on preOpenCard
put short name of this card into tCard
set backgroundColor of card tCard to setColour(tCard)
end preOpenCard
function setColour pCard
if pCard = “One” then
return “red”
else
return “blue”
end if
end setColour
Regards
Tore Nilsen
> 10. jul. 2017 kl. 10:09 skrev Tim Selander via use-livecode
> :
>
> Hi Richmond
>
> This works (both scripts in the button):
> on mouseUp
> put goRed()
> end mouseUp
>
> function goRed
> set the backGroundColor of card 1 to red
> end goRed
>
> I think the general idea is that a function returns information. So date()
> returns the date. But just having a line "date()" in the script causes an
> error because you haven't told it what to do with the info being returned. So
> you need "put data()" and then the info will go to the message box.
>
> Your function doesn't return any data. That's your choice when you write it.
> But the engine is still expecting a function to return info, so you still
> have to say "put" trigger the function.
>
> You could write your function with a parameter:
> function goRed foo
> set the backGroundColor of foo to red
> end goRed
>
> Then call the function like this:
> put goRed("card 1")
> put goRed("card 3")
> etc., and the one function can be used to turn both card 1 and card 3 (and
> any other object you specify in foo) red.
>
> Hope that helps.
>
> Tim Selander
> Tokyo, Japan
>
>
>
>
>
> On 7/10/17, 15:48, Richmond Mathewson via use-livecode wrote:
>> I am obviously missing something . . .
>>
>> . . . so badly so that I've been trawling Danny Goodman's "Complete" HC 2 .
>> . .
>>
>> and NOT getting 'it' . . .
>>
>> SO: one can set up a custom command:
>>
>> on GoRed
>> set the backGroundColor of card 1 to red
>> end GoRed
>>
>> and one can call it:
>>
>> on mouseUp
>> do GoRed
>> end mouseUp
>>
>> and one can set up a custom function:
>>
>> function GoRed
>> set the backGroundColor of card 1 to red
>> end function
>>
>> Now: is the reason I cannot call that function because it takes NO
>> parameters?
>>
>> Richmond.
>> ___
>> 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
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Re: Goofy question #7234
It does help a lot: even if only to stop me looking totally 'Stpid'
in front
of the kids in my Summer classes.
Thanks.
Richmond.
On 7/10/17 11:09 am, Tim Selander via use-livecode wrote:
Hi Richmond
This works (both scripts in the button):
on mouseUp
put goRed()
end mouseUp
function goRed
set the backGroundColor of card 1 to red
end goRed
I think the general idea is that a function returns information. So
date() returns the date. But just having a line "date()" in the script
causes an error because you haven't told it what to do with the info
being returned. So you need "put data()" and then the info will go to
the message box.
Your function doesn't return any data. That's your choice when you
write it. But the engine is still expecting a function to return info,
so you still have to say "put" trigger the function.
You could write your function with a parameter:
function goRed foo
set the backGroundColor of foo to red
end goRed
Then call the function like this:
put goRed("card 1")
put goRed("card 3")
etc., and the one function can be used to turn both card 1 and card 3
(and any other object you specify in foo) red.
Hope that helps.
Tim Selander
Tokyo, Japan
On 7/10/17, 15:48, Richmond Mathewson via use-livecode wrote:
I am obviously missing something . . .
. . . so badly so that I've been trawling Danny Goodman's "Complete"
HC 2 . . .
and NOT getting 'it' . . .
SO: one can set up a custom command:
on GoRed
set the backGroundColor of card 1 to red
end GoRed
and one can call it:
on mouseUp
do GoRed
end mouseUp
and one can set up a custom function:
function GoRed
set the backGroundColor of card 1 to red
end function
Now: is the reason I cannot call that function because it takes NO
parameters?
Richmond.
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Re: Goofy question #7234
Hi Richmond
This works (both scripts in the button):
on mouseUp
put goRed()
end mouseUp
function goRed
set the backGroundColor of card 1 to red
end goRed
I think the general idea is that a function returns information. So
date() returns the date. But just having a line "date()" in the script
causes an error because you haven't told it what to do with the info
being returned. So you need "put data()" and then the info will go to
the message box.
Your function doesn't return any data. That's your choice when you write
it. But the engine is still expecting a function to return info, so you
still have to say "put" trigger the function.
You could write your function with a parameter:
function goRed foo
set the backGroundColor of foo to red
end goRed
Then call the function like this:
put goRed("card 1")
put goRed("card 3")
etc., and the one function can be used to turn both card 1 and card 3
(and any other object you specify in foo) red.
Hope that helps.
Tim Selander
Tokyo, Japan
On 7/10/17, 15:48, Richmond Mathewson via use-livecode wrote:
I am obviously missing something . . .
. . . so badly so that I've been trawling Danny Goodman's "Complete"
HC 2 . . .
and NOT getting 'it' . . .
SO: one can set up a custom command:
on GoRed
set the backGroundColor of card 1 to red
end GoRed
and one can call it:
on mouseUp
do GoRed
end mouseUp
and one can set up a custom function:
function GoRed
set the backGroundColor of card 1 to red
end function
Now: is the reason I cannot call that function because it takes NO
parameters?
Richmond.
___
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subscription preferences:
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