- Fix AboutProtocol_Release.
- Use *_THIS macros in protocol objects.

- pass pointer to valid buffer as lpszPath.
- disable check passing NULL as lpszPath.

it for. Native uxtheme always stretches "truesize" parts when the
destination is smaller than the part image size, but
TrueSizeStretchMark doesn't seem to have an influence.

Added support for GT_SELECTION flag in EM_GETTEXTEX handler.

field and is valid.

- Prepend Desktop folder path for files/directories stored in the
  filesystem Desktop folder when GetDisplayNameOf is called with the
  SHGDN_FORPARSING flags.
- Add testcases.

- Use COLOR_MENU to standardize the colors of the viewer.

directions.

native does: just clear WS_EX_STATICEDGE when themed and reduce the
area the actual bar is painted in to the progress bar theme part
content rect.

delay load code.

work - e.g. Delphi buttons have the classname "TButton" for which no
superclass will be found. Instead, use initial subclass window procs
that have the subclass hardcoded and store it for the "real" subclass
window proc.

groupboxes not overlap.

- OLEIVERB_INPLACEACTIVATE is the same as OLEIVERB_UIACTIVATE.

also backup the old metrics. That way, themed system colors are set
even uxtheme was not loaded and initialized yet, and when a theme is
deactivated, the colors prior to the activation are restored as well.
Also, not having to set the system colors in uxtheme startup works
around weird problems where SetSystemColors() ended up being called
from inside window creation and this seemingly led to some creation
message being sent twice.