> I use ZTreeWin's [F8]Split mode very frequently to [J]FC compare
> files between panes.
>
> I have CO-1E "JFC Compare" set to invoke TFC.EXE with arguments -d -o
> -v %1 %6 %4 %5. TFC is therefore pre-configured to use a vertical split
> (-v).
>
> Most of the time I start the file compare from ZTreeWin's left-hand
> pane - so no problems.
>
> However, if I start the compare from the right-hand pane, TFC displays
> the file differences with the panes reversed - which I find unnatural.
>
> Is there any way to correct this behaviour ?
>
> Many thanks.

TFC has no way of knowing ZTreeWin's state - it gets a command line constructed by ZTreeWin.

It may be possible for ZTreeWin to always put the left file first, but currently it puts the selected file and its constructed name 2nd.