include: Add Windows.Foundation.Collections.IVectorChangedEventArgs definition.

include/Makefile.in

@@ -378,6 +378,7 @@ SOURCES = \
 	iprtrmib.h \
 	iptypes.h \
 	isguids.h \
+	ivectorchangedeventargs.idl \
 	knownfolders.h \
 	ks.h \
 	ksguid.h \

include/ivectorchangedeventargs.idl

@@ -0,0 +1,49 @@
+/*
+ * Copyright 2022 Rémi Bernon 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
+ */
+
+#ifdef __WIDL__
+#pragma winrt ns_prefix
+#endif
+
+import "inspectable.idl";
+import "windowscontracts.idl";
+
+namespace Windows.Foundation.Collections {
+    [contract(Windows.Foundation.FoundationContract, 1.0)]
+    enum CollectionChange
+    {
+        Reset = 0,
+        ItemInserted = 1,
+        ItemRemoved = 2,
+        ItemChanged = 3,
+    };
+    typedef enum CollectionChange CollectionChange;
+
+    [
+        contract(Windows.Foundation.FoundationContract, 1.0),
+        uuid(575933df-34fe-4480-af15-07691f3d5d9b),
+        pointer_default(unique),
+        version(0x06020000 /* NTDDI_WIN8 */),
+        object,
+    ]
+    interface IVectorChangedEventArgs : IInspectable
+    {
+        [propget] HRESULT CollectionChange([out, retval] CollectionChange *value);
+        [propget] HRESULT Index([out, retval] unsigned *value);
+    };
+}