--- q_a/samples/simpldll/linktest.c	2018/08/09 18:29:19	1.1
+++ q_a/samples/simpldll/linktest.c	2018/08/09 18:29:49	1.1.1.3
@@ -1,4 +1,15 @@
-/************************************************************************\
+
+/******************************************************************************\
+*       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.
+\******************************************************************************/
+
+/******************************************************************************\
 *
 *  PROGRAM:     LINKTEST.C
 *
@@ -9,11 +20,12 @@
 *               for explicitly loading the DLL (via LoadLibrary()) at
 *               runtime.
 *
-*  FUNTIONS:    WinMain()     - initialization, create window, msg loop
-*               MainWndProc() - processes main window msgs
-*               ThreadProc()  - makes a single call into "THE_DLL.DLL"
+*  FUNTIONS:    WinMain     - initialization, create window, msg loop
+*               MainWndProc - processes main window msgs
+*               ThreadProc  - makes a single call into "THE_DLL.DLL"
+*               AboutDlgProc- processes about dialog messages
 *
-\************************************************************************/
+\******************************************************************************/
 
 #include <windows.h>
 #include "linktest.h"
@@ -21,25 +33,25 @@
 
 
 
-/************************************************************************\
+/******************************************************************************\
 *
 *  FUNCTION:    WinMain (standard WinMain INPUTS/RETURNS)
 *
-*  GLOBAL VARS: hwndMain - handle of main app window
+*  GLOBAL VARS: ghwndMain - handle of main app window
 *
 *  LOCAL VARS:  msg - msg to get/dispatch
 *
-\************************************************************************/
+\******************************************************************************/
 
-int APIENTRY WinMain (HANDLE hInstance,HANDLE hPrevInstance,
-                      LPSTR lpCmdLine, int nCmdShow)
+int WINAPI WinMain (HANDLE hInstance,HANDLE hPrevInstance,
+                    LPSTR lpCmdLine, int nCmdShow)
 { MSG msg;
 
   if (!hPrevInstance)
   {
     WNDCLASS wc;
 
-    wc.style         = NULL;
+    wc.style         = 0;
     wc.lpfnWndProc   = (WNDPROC)MainWndProc;
     wc.cbClsExtra    = 0;
     wc.cbWndExtra    = 0;
@@ -47,37 +59,39 @@ int APIENTRY WinMain (HANDLE hInstance,H
     wc.hIcon         = LoadIcon(NULL, IDI_APPLICATION);
     wc.hCursor       = LoadCursor (NULL, IDC_ARROW);
     wc.hbrBackground = GetStockObject (WHITE_BRUSH);
-    wc.lpszMenuName  = (LPSTR) "Menu";
-    wc.lpszClassName = (LPSTR) "LINKTEST";
+    wc.lpszMenuName  = (LPCTSTR) "Menu";
+    wc.lpszClassName = (LPCTSTR) "LINKTEST";
 
     if (!RegisterClass (&wc))
-    { MessageBox (NULL, "WinMain(): RegisterClass() failed",
-                  "Err! - LINKTEST", MB_OK | MB_ICONHAND);
+    {
+      MessageBox (NULL, (LPCTSTR) "WinMain(): RegisterClass() failed",
+                  (LPCTSTR) "Err! - LINKTEST", MB_OK | MB_ICONEXCLAMATION);
       return(FALSE);
     }
   }
 
-  if (!(hwndMain = CreateWindow ("LINKTEST",
-                                 "LINKTEST Sample Application",
-                                 WS_OVERLAPPEDWINDOW,
-                                 CW_USEDEFAULT, CW_USEDEFAULT,
-                                 CW_USEDEFAULT, CW_USEDEFAULT,
-                                 NULL, NULL, hInstance, NULL)))
-    return (NULL);
-
-  ShowWindow(hwndMain, nCmdShow);
-
-  while (GetMessage(&msg, NULL, NULL, NULL))
-  { TranslateMessage(&msg);
-    DispatchMessage(&msg);
+  if (!(ghwndMain = CreateWindow ("LINKTEST",
+                                  "LINKTEST Sample Application",
+                                  WS_OVERLAPPEDWINDOW,
+                                  CW_USEDEFAULT, CW_USEDEFAULT,
+                                  CW_USEDEFAULT, CW_USEDEFAULT,
+                                  NULL, NULL, hInstance, NULL)))
+    return (0);
+
+  ShowWindow (ghwndMain, nCmdShow);
+
+  while (GetMessage (&msg, NULL, 0, 0))
+  {
+    TranslateMessage (&msg);
+    DispatchMessage  (&msg);
   }
+
   return (msg.wParam);
-  UNREFERENCED_PARAMETER(lpCmdLine);
 }
 
 
 
-/************************************************************************\
+/******************************************************************************\
 *
 *  FUNCTION:    MainWndProc (standard window procedure INPUTS/RETURNS)
 *
@@ -86,60 +100,114 @@ int APIENTRY WinMain (HANDLE hInstance,H
 *               "THE_DLL.DLL". The "CreateThread" menuitem causes a thread
 *               to be created- the thread then calls into "THE_DLL.DLL".
 *
-\************************************************************************/
+\******************************************************************************/
+
+LRESULT CALLBACK MainWndProc (HWND hwnd, UINT message, WPARAM wParam,
+                              LPARAM lParam)
+{
+  switch (message)
+  {
+    case WM_COMMAND:
 
-LONG APIENTRY MainWndProc (HWND hwnd, UINT message, UINT wParam,
-                           LONG lParam)
-{ switch (message)
-  { case WM_COMMAND:
       switch (LOWORD(wParam))
-      { case IDM_CREATETHREAD:
-        { DWORD  threadId;
+      {
+        case IDM_CREATETHREAD:
+        {
+          DWORD  threadId;
 
           CreateThread (NULL, 0, (LPTHREAD_START_ROUTINE) ThreadProc,
-                        NULL, NULL, &threadId);
+                        NULL, 0, &threadId);
           break;
         }
+
         case IDM_DLLFUNCTION1:
+
           DLLFunction1 ();
           break;
+
         case IDM_DLLFUNCTION2:
+
           DLLFunction2 ((int) 0);
           break;
+
         case IDM_DLLFUNCTION3:
+
           DLLFunction3 ((HANDLE) NULL);
           break;
+
         case IDM_DLLFUNCTION4:
+
           DLLFunction4 ((HWND) NULL);
           break;
+
         case IDM_DLLDIALOGBOX:
+
           DLLDialogBox (hwnd);
           break;
+
+        case IDM_ABOUT:
+
+          DialogBox (GetModuleHandle (NULL), (LPCTSTR)"About", hwnd,
+                     (DLGPROC) AboutDlgProc);
+          break;
+
         default:
+
           break;
       }
       break;
+
     case WM_DESTROY:
-      PostQuitMessage(NULL);
+
+      PostQuitMessage(0);
       break;
+
     default:
+
       return (DefWindowProc(hwnd, message, wParam, lParam));
   }
-  return (NULL);
+  return (0);
 }
 
 
 
-/************************************************************************\
+/******************************************************************************\
 *
 *  FUNCTION:    Thread
 *
-*  GLOBAL VARS: hwndMain - handle of main app window
+*  GLOBAL VARS: ghwndMain - handle of main app window
 *
-\************************************************************************/
+\******************************************************************************/
 
 void ThreadProc ()
 {
-  MessageBox (hwndMain, "calling DLLFunction1", "ThreadProc()", MB_OK);
+  MessageBox (ghwndMain, (LPCTSTR) "calling DLLFunction1",
+              (LPCTSTR) "ThreadProc()", MB_OK);
   DLLFunction1 ();
 }
+
+
+
+/******************************************************************************\
+*
+*  FUNCTION:    AboutDlgProc (standard dialog procedure INPUTS/RETURNS)
+*
+*  COMMENTS:    Displays "about" message
+*
+\******************************************************************************/
+
+LRESULT CALLBACK AboutDlgProc (HWND hwnd, UINT message, WPARAM wParam,
+                               LPARAM lParam)
+{ switch (message)
+  {
+    case WM_COMMAND:
+
+      if (LOWORD(wParam) == IDOK)
+      {
+        EndDialog(hwnd, TRUE);
+        return (TRUE);
+      }
+      return (TRUE);
+  }
+  return (FALSE);
+}