Chip,
Totally separate variable name space.
You can access variables via pointer and that's it.
Otherwise I use access methods quite a lot. Consider this method (from a
component) to set a variable associated with a boolean:
// Project Method: Wnd_CloseBox ({Include a close box?}) --> Boolean
C_BOOLEAN(Wnd_CloseBox_b)
C_BOOLEAN($1;$0)
If (Count parameters=1)
Wnd_CloseBox_b:=$1
End if
$0:=Wnd_CloseBox_b
I have lots of methods named almost identically to the variable like this
(it's easier to set up in a macro!).
I find this much easier to work with than using pointers and the coding of
it feels very similar to using a variable.
If (Wnd_CloseBox)
// Do something
end if
or
Wnd_CloseBox(True)// To set the variable
Note that 4D does not complain if there is a $0 value returned and not used
at all.
Regards,
Wayne
[image: --]
Wayne Stewart
[image: http://]about.me/waynestewart
<http://about.me/waynestewart>
On 22 April 2017 at 07:41, Chip Scheide via 4D_Tech <4d_tech@lists.4d.com>
wrote:
> I am working on my first component -
> all the chat about them :)
>
> process and inter process variables
> what can be seen by the component of/from the host, and vis-verse
>
> At the moment - I am looking at an inter process var in my nascent
> component,
> can the host database see this?
> if I change an IP variable value in a component does it change the host
> value?
>
> Thanks
> ---------------
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> Alcohol is for drinkin'
> Nitromethane is for racing
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