iphlpapi: Add CancelIPChangeNotify stub.

dlls/iphlpapi/iphlpapi.spec

@@ -6,6 +6,7 @@
 @ stdcall AllocateAndGetIpNetTableFromStack( ptr long long long )
 @ stdcall AllocateAndGetTcpTableFromStack( ptr long long long )
 @ stdcall AllocateAndGetUdpTableFromStack( ptr long long long )
+@ stdcall CancelIPChangeNotify( ptr )
 @ stdcall CreateIpForwardEntry( ptr )
 @ stdcall CreateIpNetEntry( ptr )
 @ stdcall CreateProxyArpEntry( long long long )

dlls/iphlpapi/iphlpapi_main.c

@@ -200,6 +200,30 @@ DWORD WINAPI AllocateAndGetIpAddrTableFromStack(PMIB_IPADDRTABLE *ppIpAddrTable,
 
 
 /******************************************************************
+ *    CancelIPChangeNotify (IPHLPAPI.@)
+ *
+ * Cancel a previous notification created by NotifyAddrChange or
+ * NotifyRouteChange.
+ *
+ * PARAMS
+ *  overlapped [In]  overlapped structure that notifies the caller
+ *
+ * RETURNS
+ *  Success: TRUE
+ *  Failure: FALSE
+ *
+ * FIXME
+ *  Stub, returns FALSE.
+ */
+BOOL WINAPI CancelIPChangeNotify(LPOVERLAPPED overlapped)
+{
+  FIXME("(overlapped %p): stub\n", overlapped);
+  return FALSE;
+}
+
+
+
+/******************************************************************
  *    CreateIpForwardEntry (IPHLPAPI.@)
  *
  * Create a route in the local computer's IP table.

dlls/iphlpapi/tests/iphlpapi.c

@@ -799,6 +799,7 @@ static void testGetPerAdapterInfo(void)
 /*
 still-to-be-tested 2K-onward functions:
 AddIPAddress
+CancelIPChangeNotify
 CreateProxyArpEntry
 DeleteIPAddress
 DeleteProxyArpEntry

include/iphlpapi.h

@@ -111,6 +111,8 @@ DWORD WINAPI NotifyAddrChange(PHANDLE Handle, LPOVERLAPPED overlapped);
 
 DWORD WINAPI NotifyRouteChange(PHANDLE Handle, LPOVERLAPPED overlapped);
 
+BOOL WINAPI CancelIPChangeNotify(LPOVERLAPPED overlapped);
+
 DWORD WINAPI GetAdapterIndex(IN LPWSTR AdapterName, OUT PULONG IfIndex);
 
 DWORD WINAPI AddIPAddress(IPAddr Address, IPMask IpMask, DWORD IfIndex,