in win, only stacks with default decorations can be resized ?

[Martin Baxter]

Running my standalones under windows OS, I find empirically that stack
windows are only resizable (as in dragging the resize corner with the mouse
pointer) if the decorations are set to default.
I looked in the docs (under resizable property, style property, decorations
property) for confirmation of this but couldn't find anything about it.

Can anyone confirm whether this is normal - or not ?

martin baxter