How to add attribute in Work item editor of list

Hello,

I use RTC 4.0.3.

Some Work item have customized attributes.

When I open this WI I  can see these attributes and update, but when I list Work item and use the "Toggle edit work item in row' on the right side of the row I can't see these attributes.

Do you know how if there is a specific editor dedicated to display work item details in list ? And if it is possible to customize this editor ?

Thanks very much -))