>If i have method code which references this.control for several controls (~30x) should a With..EndWith be used? Does it affect performance in any noticeable way?
>
>Does a fully qualified object (thisform.container1.container2.control) access any faster/slower than this.control in the container2 method?
>Should the With be fully qualified? ex: With thisform.container1.container2 vs With This
>
>I know it doesn't affect the functionality (they all work) but i'm curious how performance varies with each technique (and don't know how to test it correctly)
>
>any thoughts?

In addition to what george said, using a WITH/ENDWITH is a good idea because it makes the code easier to modify. IOW, if you decide to put all of these controls in a pageframe, instead of changing thirty lines of code, you will only have to change one to fix the reference.