Hi there,
  We have an app which uses TSaveDialog to specify the 
filename to save-and-convert. With the dialog open, when the 
user changes the filter type (specifying a different image 
type/extension), we want the filename shown to grow a different 
extension.

That is, say it says XXX.BMP and the user selects "JPEG" from 
the filter list. We want the filename to change to XXX.JPG 
programmatically.

We can't find a way to make the dialog do that by itself, and we 
can't alter the Filename property programmatically either (that's 
spec, according to the D4 help). Yet I've seen the right behaviour 
in other apps. Did they rewrite the control from scratch or have 
we missed something easy?


cheers,
peter

============================================
Peter Hyde, WebCentre and SPIS, Christchurch, New Zealand 
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