--- mstools/samples/ddeml/clock/clock.h	2018/08/09 18:20:38	1.1.1.1
+++ mstools/samples/ddeml/clock/clock.h	2018/08/09 18:21:23	1.1.1.2
@@ -79,6 +79,8 @@ LONG APIENTRY ClockWndProc(HWND, UINT, W
 /*  Constants								    */
 /*--------------------------------------------------------------------------*/
 
+#define IDD_ABOUT 400
+
     /* Main Menu ID defines */
 
 #define IDM_ANALOG	 1