does.

  limit zero, if the window has no scrollbars (msdn).
- GetScrollInfo's return value is TRUE is nBar is SB_CTL or if
  anything is filled in the SCROLLINFO structure, otherwise the return
  value is FALSE.

Added VT_I4|VT_BYREF marshalling.

X11DRV_DIB_CreateDIBFromPixmap and simplified the code a bit.

Actually pass back return value of remote call in type marshaller.

direct accesses to the physBitmap field of the bitmap structure.

avoid exporting the DEFAULT_BITMAP define.

escape.

Handle VT_PTR / NULL marshalling correctly.

windows with the WS_POPUP style can have a menu bar.

using the 16-bit hNext field in the object header.

storing it directly in the region objects.

NT4 fails with ERROR_INVALID_TARGET_HANDLE instead of
ERROR_REDIR_PAUSED.
Use some correct messages on error.
Extra tracing.

within the visible region, clipped to the clipping region if that
exists. Add the destination of pixels coming from the outside of this
region to the update region. With tests that depend on this.