Rob Shearman : ole32: Implement DataCache_GetClassID.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a2d59ef534b93c0eb85825c7541ea4380f9528a0
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=a2d59ef534b93c0eb85825c7541ea4380f9528a0

Author: Rob Shearman <rob at codeweavers.com>
Date:   Fri Dec  1 15:01:27 2006 +0000

ole32: Implement DataCache_GetClassID.

---

 dlls/ole32/datacache.c |   16 +++++++++++++++-
 1 files changed, 15 insertions(+), 1 deletions(-)

diff --git a/dlls/ole32/datacache.c b/dlls/ole32/datacache.c
index 378b86e..508b9fc 100644
--- a/dlls/ole32/datacache.c
+++ b/dlls/ole32/datacache.c
@@ -953,8 +953,22 @@ static HRESULT WINAPI DataCache_GetClass
             IPersistStorage* iface,
 	    CLSID*           pClassID)
 {
+  DataCache *This = impl_from_IPersistStorage(iface);
+  HRESULT hr = S_OK;
+
   TRACE("(%p, %p)\n", iface, pClassID);
-  return E_NOTIMPL;
+
+  if (This->presentationStorage != NULL)
+  {
+    STATSTG statstg;
+    hr = IStorage_Stat(This->presentationStorage, &statstg, STATFLAG_NONAME);
+    if (SUCCEEDED(hr))
+      memcpy(pClassID, &statstg.clsid, sizeof(*pClassID));
+  }
+  else
+    memcpy(pClassID, &CLSID_NULL, sizeof(*pClassID));
+
+  return hr;
 }
 
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