--- mstools/samples/ddeml/client/clinit.c	2018/08/09 18:20:38	1.1.1.1
+++ mstools/samples/ddeml/client/clinit.c	2018/08/09 18:21:24	1.1.1.2
@@ -102,6 +102,7 @@ DWORD nCmdShow)
         if (aFormats[i].fmt == 0)
             aFormats[i].fmt = RegisterClipboardFormat(aFormats[i].sz);
     }
+    hszHuge = DdeCreateStringHandle(idInst, "Huge", 0);
 
     /* Get the base window title */
     LoadString(hInst, IDS_APPNAME, sz, sizeof(sz));
@@ -136,7 +137,8 @@ DWORD nCmdShow)
      * transaction processing.
      */
     lpMsgFilterProc = (FARPROC)MakeProcInstance((FARPROC)MyMsgFilterProc, hInst);
-    SetWindowsHook(WH_MSGFILTER, lpMsgFilterProc);
+    ghhk = SetWindowsHookEx(WH_MSGFILTER, (HOOKPROC)lpMsgFilterProc, NULL,
+            GetCurrentThreadId());
 
     return TRUE;
 }