On Dec 29, 2012, at 5:48 PM, <mfstuart at cox.net> wrote: > example: if the bottom left pane (#3) was dragged into the top left position (#1), panes 1 and 3 take up the space of 1 and 3, and are "presented" as a tab control. Panes 2 and 4 remain as they were. Hi, Mark. What happens when we drag an untabbed pane diagonally? -- Dick