in the get_visible_region request instead of requiring the client to
compute it again.

calculate DCX_CLIPSIBLINGS, DCX_PARENTCLIP and DCX_CLIPCHILDREN. The
DCX_CLIPCHILDREN is not used when ScrollWindowEx is called with a
SW_SCROLLCHILDREN flag. With a couple of regression tests.

Use textheight as the return value of DrawTextA.

NT\CurrentVersion to mimic the win.ini values.

- EnableMenuItem should not generate WM_WINDOWPOSCHANGING message.
- Make nonclient code check for presence of SC_CLOSE, not CS_NOCLOSE
  window class style.
- Add a test case.

to GetDCEx have to be in screen coordinates.

same name exists; should help with the 16-bit cards.dll issue.
Replace some magic error numbers by the corresponding names.

Don't release the clip region for window DCs in ReleaseDC(), except
when called from EndPaint().
Added a bunch of tests.

requested from MSI. If not search the given typelib file to find the
typelib requested to register.

warnings.

directly in an undocumented way.

  the interface but it is more correct way (Microsoft even have a
  resource type of volume).
- Moved usage, format, allocatedMemory and size onto the resource
  class structure.
- Refactored Preload for classes that inherit BaseTexture, preload now
  binds the texture instead of bind texture calling preload, bindTexture
  allocated a glTexture if there isn't one.
- Added two new class static members BaseTexture_CleanUp and
  Resource_CleanUp that should be called by classes that implement
  BaseTexture or Resource.

the DCX_NORESETATTRS flag.
Get rid of the DCE flags, simplify the code a bit.
Add some test cases.

to 128 for transparency.

a test for this.