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Subject: Custom Tool Env Variable Access
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jbj008
Posts: 1
Online: User is Offline
10/15/2007 5:59 PM  
I have created a custom Tool and registered it in $CDSHOME/tools/dfII/etc/tools. I have a large form that I want to read and write env varibles to/from it's fields. So far I have been successful reading default values into the form using envGetVal, a very brute force approach. How do I automatically update env variables upon changes to the form fields? I have tried callbacks using envSetVal however I get loading errors passing current values of a field when the form has not been created yet. Any ideas or an easier way to do any of this would be great help! Thank you, Dale
dmay
Posts: 29
Online: User is Offline
10/22/2007 7:20 AM  
I'm a little confused when you say the callbacks are failing when the form has not yet been created? How come your callbacks are running before your form is created? When I have done this for my forms, I set the form fields this way:

field1= list(hiCreateBooleanButton(
?name 'fieldName
?value envGetVal("customTool" "varName")
?buttonText "My Button Text:")
0:0 100:30 0)

Then my callback for the form sets all the variables using envSetVal. I could put a callback for each field if I wanted to. In either case, though, my form already exists before a callback is ever invoked.

-Derek
adbeckett
Posts: 248
Online: User is Offline
10/29/2007 2:58 AM  
I don't understand either - but perhaps hiInstantiateForm() is needed?

Regards,

Andrew.
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Forums > Custom IC > Shared code - SKILL > Custom Tool Env Variable Access


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