ACM_METRIC_DRIVER_SUPPORT.
Fix copy&paste mislabeling on acmDriverID test failure.

Implemented D3DRS_EDGEANTIALIAS.
Implemented D3DRS_POINTSPRITEENABLE.
Implemented D3DRS_MULTISAMPLEANTIALIAS.

Use Heap[Alloc|Free] instead of malloc|free.

Added a new server call as PostQuitMessage should set a flag in the
message queue to return the WM_QUIT message when there are no other
pending messages, rather than posting a message to the thread queue as
it does at the moment.

- Supports now all WinXP allowed combinations of input variants.
- VT_RESERVED on input variants is handled now.
- Removed complicated VT_DATE comparision; that's not how Windows does it.
- Improved documentation.

Initialise hr and psd->str.uType before the call to
IShellFolder_GetDisplayNameOf so that whatever it returns is
preserved.

instance leak.

ITypeInfo::Invoke.

arguments in ITypeInfo::Invoke.

Simplify missing argument handling by pre-allocating an array of the
maximum number of missing arguments there could be.

Increase buffer size to 12 for getting and setting integer parameters
from/to the registry.

Use HeapAlloc/HeapFree instead of malloc/free.

Remove extern from some function prototypes.