diff --git a/.gitignore b/.gitignore
index aa73888cef2..e08d0d85998 100644
--- a/.gitignore
+++ b/.gitignore
@@ -204,6 +204,7 @@ include/msxml6.h
 include/netcon.h
 include/netfw.h
 include/oaidl.h
+include/objectarray.h
 include/objidl.h
 include/objsafe.h
 include/ocidl.h
diff --git a/include/Makefile.in b/include/Makefile.in
index 074160fe77d..b691ffa14d9 100644
--- a/include/Makefile.in
+++ b/include/Makefile.in
@@ -64,6 +64,7 @@ PUBLIC_IDL_H_SRCS = \
 	netcon.idl \
 	netfw.idl \
 	oaidl.idl \
+	objectarray.idl \
 	objidl.idl \
 	objsafe.idl \
 	ocidl.idl \
diff --git a/include/objectarray.idl b/include/objectarray.idl
new file mode 100644
index 00000000000..0112503047d
--- /dev/null
+++ b/include/objectarray.idl
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2011 Jacek Caban for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+import "oaidl.idl";
+import "ocidl.idl";
+
+[
+    uuid(92ca9dcd-5622-4bba-a805-5e9f541bd8c9),
+    object,
+    pointer_default(unique)
+]
+interface IObjectArray : IUnknown
+{
+    HRESULT GetCount([out] UINT *pcObjects);
+    HRESULT GetAt(
+        [in] UINT uiIndex,
+        [in] REFIID riid,
+        [out, iid_is(riid)] void **ppv);
+}
+
+[
+    uuid(5632b1a4-e38a-400a-928a-d4cd63230295),
+    object,
+    pointer_default(unique)
+]
+interface IObjectCollection : IObjectArray
+{
+    HRESULT AddObject([in] IUnknown *punk);
+    HRESULT AddFromArray([in] IObjectArray *poaSource);
+    HRESULT RemoveObjectAt([in] UINT uiIndex);
+    HRESULT Clear();
+}