Added unicode messages bit set to shortcut message mapping when
possible.

- Implemented NM_CUSTOMDRAW notifications for the ITEMPREPAINT and
  ITEMPOSTPAINT only. (Used by IE4 - go figure.)
- Invalidate window rectangles after certain RB_ messages like the
  native. Fixed some painting problems.
- Added UpdateWindow call in _MoveChildWindows to fix other painting
  problems.
- Set the Caption Font as the default font for all bands.

  FillRect and BF_MIDDLE on _FLAT toolbars.)
- Issue FIXMEs for unsupported styles.
- If the "hidden" state has changed then recalc the buttons.
- Support TBSTYLE_CUSTOMERASE (used by IE4) ans issue some of the
  necessary NM_CUSTOMDRAW notifies.
- Pass the WM_ERASEBKGND to parent if the toolbar is "transparent".
- Invalidate the area 1 bigger than the button rect on a WM_MOUSELEAVE
  so that the edge is "erased" by the parent.
- Support the PGN_CALCSIZE notify since a toolbar can be a child of the
  Pager control.

message.

- Allow WM_WINDOWPOSCHANGING when the control is size 0 to set initial
  size.
- Combine multiple SetWindowPos calls in same processing line and make
  the flags like native.
- Redo WM_NCCALCSIZE to match native.
- Since Pager is a "transparent" control (except for its own buttons),
  the WM_ERASEBKGND needs to be passed to the parent. Also do the window
  offset like the native control does.

    There was another implementation of SystemTimetoVariantTime
    submitted that didn't work for dates prior to 1900.
- implemented VarDateFromUDate/VarUdateFromDate
- implemented VariantTimeToDosDateTime

fp control word and a bug that inverted _IC_AFFINE flag.
Made _controlfp work as specified in MSDN.

them by API calls.

Prefer 8bit icons.

  conversions to global atoms
- enhanced internal handle <=> pointer conversions, as well as
  validity of such objects (life time, destruction, mutual access...)
- fixed a few ANSI/Unicode issues, stores most of the data as Unicode
- started having both Ansi/Unicode DDE window procs for message A/W
  transformation
- fixed a few segmented pointer issues (mainly in DdeInitialize &
  DdeGetData)
- added most of the CBF_ flags handling
- implemented the conversation announcement (XTYP_CONNECT_CONFIRM) on
  server side
- enhanced DdeQueryConfig and implemented DdeReconnect
- implemented conversation termination (including XTYP_UNREGISTER)
- several others code clean up
- added transaction support on server side too

- More reorganizations and fixes.

Fixed InterlockedCompareExchange prototype.

Implemented inter-process messaging.
Moved most message routines to dlls/user, and split off 16-bit
routines to a separate file.

Added support for loading JPEG, Bitmap and Icons from persistant
streams.
Implemented JPEG support using libjpeg, added necessary configure.in
options.
Added IConnectionPoint style notifications to the IPicture iface.
Implemented several of the stubs already there, added some more.

made sure that we have keyboard focus when using DirectX.