Fix handling of checkbox properties.

per-thread data.

Shearman).

- Implement FC_UP and partially FC_OP.
- Don't needlessly marshal 4 bytes in NdrPointer*.

superclass's ITypeInfo otherwise we could get errors when accessing
hreftypes that aren't present in the subclass.

- Open registry key with least access rights necessary.
- Documentation updates.

- Don't change the passed in bitmap header.

- add a missing function prototype

restarting the search from a given child, in order to avoid looping
forever on windows that don't repaint correctly.

applications can use this additional information.

account the results of the tests to determine the return value.

- Implement RtlGetControlSecurityDescriptor.
- Fix NtAccessCheck so it works with relative SECURITY_DESCRIPTORs.

- fix bug and memory leak in last patch

at the same time).
Fix CoCreateInstance when no sound card is present.
Fix create bug found by Mike Hearn.

not support VFAT_IOCTL_READDIR_BOTH but returns 0 (success) anyway. So
set d_reclen to 65535 (an impossible value) before the ioctl() and
check it afterwards to work around this bug.

  DDSCAPS_COMPLEX, DDSCAPS_MIPMAP and for which the mipmap count is
  not specified.
- Implemented test cases for mipmap textures creation.