Is check for WS_THICKFRAME style really needed for sizing?

[Santosh Siddheshwar]

Hi,
  Is the check for windows WS_THICKFRAME style really needed to decide
whether a window can be resized or not? I have a scenario where this style
is not set but the user can still size the window. This is being done by
dispatching WM_SYSCOMMAND messages with SC_SIZE command but WINE is
preventing these messages from being effectively handled by returning from
the SysCommandSizeMove (winpos.c) method, without doing anything, if the
window in question doesnt have this style set.
Regards
Santosh Siddheshwar
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