How to get the new value of a changed mask parameter in the dialog callback?
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Hello, I am using Matlab R2011a. I have created a subsystem and masked it. There is a popup parameter in my mask and I have added a dialog callback to handle some things when the user changes the popup selection. At the moment, it seems as if in the dialog callback, when getting the value of the popup parameter with get_param(gcb,<parametername>), the old value is returned. Is there a way to get the current value of it?
Thank you,
Christian
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Accepted Answer
Kaustubha Govind
on 29 May 2013
I think you need to just use the 'parametername' directly since it exists as a variable in the Mask workspace. Does that work?
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Kaustubha Govind
on 14 Jun 2013
Christian: It looks like the Open callback is creating a new dialog (using DAStudio.Dialog). You can see this by running the same code from the command window on let's say, a Constant block in a model. You'll see that dlg.show opens a dialog, but when you double-click on the Constant block, there is a second dialog window opened. So, essentially, it is physically separate from the Mask dialog, which is why the callback is not getting the right values. I'm not sure how this new dialog interacts with the Mask dialog and invokes the right callback though. I think this problem is beyond my expertise, so I would recommend waiting to see what Tech Support recommends.
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