Change the Input field size

 

is it possible to change the Value side of the input field?

See picture.Input field


 
Put the cursor over the header separator
 

What I am looking for is to keep the header seperator in the shifted position. Now it goes back to its orriginal position.

 
Frans:

What I am looking for is to keep the header seperator in the shifted position. Now it goes back to its orriginal position.

Not possible. Except maybe with WinAPI calls.
Reason: