--- mstools/samples/ddeml/client/dde.c	2018/08/09 18:20:38	1.1
+++ mstools/samples/ddeml/client/dde.c	2018/08/09 18:23:22	1.1.1.3
@@ -1,3 +1,14 @@
+
+/******************************************************************************\
+*       This is a part of the Microsoft Source Code Samples. 
+*       Copyright (C) 1993 Microsoft Corporation.
+*       All rights reserved. 
+*       This source code is only intended as a supplement to 
+*       Microsoft Development Tools and/or WinHelp documentation.
+*       See these sources for detailed information regarding the 
+*       Microsoft samples programs.
+\******************************************************************************/
+
 /***************************************************************************
  *                                                                         *
  *  MODULE      : dde.c                                                    *
@@ -10,6 +21,7 @@
 #include <string.h>
 #include <memory.h>
 #include "infoctrl.h"
+#include "huge.h"
 
 CHAR szT[100];
 
@@ -212,15 +224,21 @@ XACT *pxact)
              * Show resulting data
              */
             psz = GetTextData((HDDEDATA)pxact->ret);
-            SendMessage(hwndInfoCtrl, ICM_SETSTRING, ICSID_CENTER,
-                    (DWORD)(LPSTR)psz);
+            if (!DdeCmpStringHandles(pxact->hszItem, hszHuge) &&
+                    !CheckHugeData((HDDEDATA)pxact->ret)) {
+                SendMessage(hwndInfoCtrl, ICM_SETSTRING, ICSID_CENTER,
+                        (DWORD)(LPSTR)"Invalid Huge Data");
+            } else {
+                SendMessage(hwndInfoCtrl, ICM_SETSTRING, ICSID_CENTER,
+                        (DWORD)(LPSTR)psz);
+            }
             MyFree(psz);
             /*
              * free returned data since it is displayed.
              */
             DdeFreeDataHandle(pxact->ret);
             pxact->ret = 0L;
-            SendMessage(hwndInfoCtrl, ICM_SETSTRING, ICSID_UR, NULL);
+            SendMessage(hwndInfoCtrl, ICM_SETSTRING, ICSID_UR, 0);
         }
     } else {
         /*
@@ -534,7 +552,7 @@ HDDEDATA hData)
 
 #define CBBUF  1024
 
-    if (hData == NULL) {
+    if (hData == 0) {
         return(NULL);
     }
 
@@ -579,7 +597,7 @@ INT cbMax)
     if (fmt < 0xc000) {
         // predefined or integer format - just get the atom string
         // wierdly enough, GetClipboardFormatName() doesn't support this.
-	return(GlobalGetAtomName((ATOM)fmt, lpstr, cbMax));
+        return(GlobalGetAtomName((ATOM)fmt, lpstr, cbMax));
     } else {
         return(GetClipboardFormatName(fmt, lpstr, cbMax));
     }
@@ -644,4 +662,3 @@ HCONV hConv)
         InvalidateRect(hwnd, NULL, TRUE);
     return(DdeDisconnect(hConv));
 }
-