--- q_a/samples/subclass/subclass.c	2018/08/09 18:29:19	1.1.1.1
+++ q_a/samples/subclass/subclass.c	2018/08/09 18:29:42	1.1.1.2
@@ -1,8 +1,17 @@
+
+/******************************************************************************\
+*       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.
+\******************************************************************************/
+
 /**************************************************************************\
 *  subclass.c -- Demonstrate subclassing of standard controls.
 *
-*  written March 92 by Steve Firebaugh
-*
 * This sample allows the user to create an arbitrary number of child
 *  controls on the main window.  These controls are subclassed, and the
 *  subclass procedure provides the user a way to move and size the controls.
@@ -48,7 +57,7 @@
 *  input parameters:  c.f. generic sample
 *
 \**************************************************************************/
-int APIENTRY WinMain(HANDLE hInstance, HANDLE hPrevInstance,
+int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
                      LPSTR lpCmdLine, int nCmdShow)
 {
   MSG   msg;
@@ -60,7 +69,7 @@ int APIENTRY WinMain(HANDLE hInstance, H
   if (!hPrevInstance) {
       WNDCLASS  wc;
 
-      wc.style = NULL;
+      wc.style = 0;
       wc.lpfnWndProc = (WNDPROC)MainWndProc;
       wc.cbClsExtra = 0;
       wc.cbWndExtra = 0;
@@ -97,7 +106,7 @@ int APIENTRY WinMain(HANDLE hInstance, H
   ShowWindow(hwndMain, nCmdShow);
 
   /* Loop getting messages and dispatching them. */
-  while (GetMessage(&msg,NULL, NULL, NULL)) {
+  while (GetMessage(&msg,NULL, 0,0)) {
     TranslateMessage(&msg);
     DispatchMessage(&msg);
   }
@@ -186,10 +195,8 @@ HWND hwndChild;
       }       /* end switch */
     } break;  /* end WM_COMMAND  */
 
-    default:
-      return (DefWindowProc(hwnd, message, wParam, lParam));
   }
-  return (NULL);
+  return (DefWindowProc(hwnd, message, wParam, lParam));
 }