Re: [perl-win32-gui-hackers] Main Commit

[Jez W. <je...@je...>]

> It seems (confirm this if you can Jez) that the "issues" probably only 
> occur for SB_THUMBPOSITION and SB_THUMBTRACK operations, as these are 
> the only that use the position value which is potentially from the 
> WM_HSCROLL or WM_VSCROLL message.
> 
> To allow easier "plumbing", and for the sake of efficiency, I'm adding a 
> special value to the "position" parameter, of -1, which means "use the 
> value from GetScrollInfo  nTrackPos  instead of the passed in value.  So 
>  user code that directly calls Scroll($hv,SB_THUMBPOSITION,$pos) 
> without receiving a message will still work, but user code that says

I've just tested this and works great in practise. Nice.

Cheers,

jez.