Problem adding Parameter in Adaptive Component

[wfrst2008]

Hi all
I'm a newbie for creating adaptive component.
In this family, I want to create 3 points and use 3 parameters to control
height and width, seems very simple if I do this in plain family.
Just inside AC, it doesn't allow me to add the width param,
do you what is the reason ?

thanks
Fung

[Dimitri Harvalias]

You had the Truss Width parameter already added in another view.
I've removed it for you in the attached family.
You might want to make sure that the 'Locked' option is unchecked to allow you to flex the family just by dragging the grips inside the family editor.

[wfrst2008]

Hi Dimitri
Thanks for your reply and file.
But I still have problems about this
1. I have double checked my original file, couldn't find in which view I had placed the paramter ,
could you show me where ?
2. I played around your file, Revit allows me to change the values for Height, but not for width, why ?

thank in advance for any help.
Fung