--- q_a/samples/streblt/streblt.c	2018/08/09 18:29:19	1.1
+++ q_a/samples/streblt/streblt.c	2018/08/09 18:29:46	1.1.1.3
@@ -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.
+\******************************************************************************/
+
 /**************************************************************************\
 *  streblt.c -- sample program demonstrating StretchBlt()
 *
-*  written Feb 92 by Steve Firebaugh
-*
 *  design:  There is one main window with one dialog box streblted to fill
 *   the top of it.  The parameters for the StretchBlt() are stored in the
 *   entry fields of this dialog box.  The user may change these values and
@@ -45,7 +54,7 @@ int iPatternBrush = NONE;
 *  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;
@@ -59,7 +68,7 @@ int APIENTRY WinMain(HANDLE hInstance, H
     if (!hPrevInstance) {
         WNDCLASS  wc;
 
-        wc.style = NULL;
+        wc.style = 0;
         wc.lpfnWndProc = (WNDPROC)MainWndProc;
 
         wc.cbClsExtra = 0;
@@ -95,7 +104,7 @@ int APIENTRY WinMain(HANDLE hInstance, H
 
 
     /* create the top dialog as a child of the main window. */
-    hwndDlg = CreateDialog (hInst, "strebltDlg", hwndMain, (WNDPROC)DlgProc);
+    hwndDlg = CreateDialog (hInst, "strebltDlg", hwndMain, (DLGPROC)DlgProc);
 
     /* Send main window a WM_SIZE message so that it will size the top
      *  dialog correctly.  Also, force a repaint of the main window
@@ -112,14 +121,14 @@ int APIENTRY WinMain(HANDLE hInstance, H
 
 
     /* Loop getting messages and dispatching them. */
-    while (GetMessage(&msg,NULL, NULL, NULL)) {
+    while (GetMessage(&msg,NULL, 0,0)) {
       if (!TranslateAccelerator(hwndMain, haccel, &msg))
       if (!IsDialogMessage (hwndDlg, &msg)) {
         DispatchMessage(&msg);
       }
     }
 
-    return (msg.wParam);	   /* Returns the value from PostQuitMessage */
+    return (msg.wParam);           /* Returns the value from PostQuitMessage */
 }
 
 
@@ -170,8 +179,8 @@ static HANDLE hPenGrid, hPenSeparator;
       hdcSrc  = GetDC (hwnd);
       hdcDest = GetDC (hwnd);
 
-      ptoDest = doTrackObject (NULL, TROB_NEW, hwnd,NULL);
-      ptoSrc  = doTrackObject (NULL, TROB_NEW, hwnd,NULL);
+      ptoDest = doTrackObject (NULL, TROB_NEW, hwnd,0);
+      ptoSrc  = doTrackObject (NULL, TROB_NEW, hwnd,0);
 
       hPenGrid      = CreatePen (PS_SOLID, 1, GRIDCOLOR);
       hPenSeparator = CreatePen (PS_SOLID, 2*SEPARATORWIDTH, (COLORREF) 0x01000000);
@@ -187,8 +196,8 @@ static HANDLE hPenGrid, hPenSeparator;
     case WM_DESTROY:
       ReleaseDC (hwnd, hdcSrc );
       ReleaseDC (hwnd, hdcDest);
-      doTrackObject (ptoDest, TROB_DELETE, hwnd,NULL);
-      doTrackObject (ptoSrc , TROB_DELETE, hwnd,NULL);
+      doTrackObject (ptoDest, TROB_DELETE, hwnd,0);
+      doTrackObject (ptoSrc , TROB_DELETE, hwnd,0);
 
       DeleteObject(hPenGrid);
       DeleteObject(hPenSeparator);
@@ -208,7 +217,7 @@ static HANDLE hPenGrid, hPenSeparator;
     case WM_SIZE: {
         HRGN hrgn;
 
-        SetWindowPos (hwndDlg, NULL, 0,0, LOWORD(lParam), DIALOGHEIGHT, NULL);
+        SetWindowPos (hwndDlg, NULL, 0,0, LOWORD(lParam), DIALOGHEIGHT, 0);
 
         GetClientRect (hwndMain, &rect);
         miniWidth = rect.right/2;
@@ -276,7 +285,7 @@ static HANDLE hPenGrid, hPenSeparator;
         if (hbmSrc)  DrawBitmap (hdcSrc, hbmSrc);
 
         /* paint the source track object on top of the bitmap */
-        doTrackObject (ptoSrc , TROB_PAINT, hwnd, NULL);
+        doTrackObject (ptoSrc , TROB_PAINT, hwnd, 0);
 
         /* make the call to StretchBlt() for the left half the window */
         SendMessage (hwnd, WM_STRETCHBLT, 0,0);
@@ -302,7 +311,7 @@ static HANDLE hPenGrid, hPenSeparator;
         BOOL success;
 
         /* erase source track object, or top left sides will show up in blt. */
-        doTrackObject (ptoSrc , TROB_PAINT, hwnd, NULL);
+        doTrackObject (ptoSrc , TROB_PAINT, hwnd, 0);
 
         /* Get the parameters out of the top dialog box and call StretchBlt */
         if (IsWindow(hwndDlg)) {
@@ -348,7 +357,7 @@ static HANDLE hPenGrid, hPenSeparator;
         }
 
         /* redraw source track object which was erased temporarily. */
-        doTrackObject (ptoSrc , TROB_PAINT, hwnd, NULL);
+        doTrackObject (ptoSrc , TROB_PAINT, hwnd, 0);
     } break;
 
 
@@ -506,11 +515,8 @@ static HANDLE hPenGrid, hPenSeparator;
     break;  /* end wm_command */
 
 
-
-    default:
-      return (DefWindowProc(hwnd, message, wParam, lParam));
-    }
-    return (NULL);
+  } /* end switch */
+  return (DefWindowProc(hwnd, message, wParam, lParam));
 }
 
 
@@ -770,8 +776,8 @@ char buffer[MAXCHARS];
     return FALSE; /* end WM_COMMAND */
 
 
-    } /* end switch */
-    return (NULL);
+  } /* end switch */
+  return 0;
 }