--- mstools/samples/gdidemo/bounce.c	2018/08/09 18:20:01	1.1
+++ mstools/samples/gdidemo/bounce.c	2018/08/09 18:23:51	1.1.1.3
@@ -1,10 +1,16 @@
+
+/******************************************************************************\
+*       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.
+\******************************************************************************/
+
 /*---------------------------------------------------------------------------*\
 | BOUNCING BALL MODULE
-|
-| segment: _TEXT (DOS16)
-| created: 19-Oct-90
-| history: 19-Oct-90 <chriswil> created.
-|
 \*---------------------------------------------------------------------------*/
 
 #include <windows.h>
@@ -21,9 +27,6 @@ VOID XFormPoint(PMYXFORM,LPPOINT);
 /*---------------------------------------------------------------------------*\
 | CREATE BOUNCE WINDOW PROCEDURE
 |
-| created: 20-May-91
-| history: 20-May-91 <chriswil> created.
-|
 \*---------------------------------------------------------------------------*/
 HWND FAR CreateBounceWindow(HWND hWndClient, int nItem)
 {
@@ -39,24 +42,21 @@ HWND FAR CreateBounceWindow(HWND hWndCli
     */
     mcs.szClass = BOUNCECLASS;
     mcs.szTitle = BOUNCETITLE;
-    mcs.hOwner	= hInstance;
+    mcs.hOwner  = hInstance;
     mcs.x       = CW_USEDEFAULT;
     mcs.y       = CW_USEDEFAULT;
     mcs.cx      = CW_USEDEFAULT;
     mcs.cy      = CW_USEDEFAULT;
-    mcs.style	= 0l;
+    mcs.style   = 0l;
     mcs.lParam  = (LONG)nItem;
 
-    return((HWND)SendMessage(hWndClient,WM_MDICREATE,NULL,(LONG)(LPMDICREATESTRUCT)&mcs));
+    return((HWND)SendMessage(hWndClient,WM_MDICREATE,0,(LONG)(LPMDICREATESTRUCT)&mcs));
 }
 
 
 /*---------------------------------------------------------------------------*\
 | BOUNCE WINDOW PROCEDURE
 |
-| created: 20-May-91
-| history: 20-May-91 <chriswil> created.
-|
 \*---------------------------------------------------------------------------*/
 LONG APIENTRY BounceProc(HWND hWnd, UINT wMsg, WPARAM wParam, LONG lParam)
 {
@@ -97,9 +97,6 @@ LONG APIENTRY BounceProc(HWND hWnd, UINT
 /*---------------------------------------------------------------------------*\
 | BOUNCE CREATE PROCEDURE
 |
-| created: 20-May-91
-| history: 20-May-91 <chriswil> created.
-|
 \*---------------------------------------------------------------------------*/
 BOOL BounceCreateProc(HWND hWnd)
 {
@@ -129,9 +126,6 @@ BOOL BounceCreateProc(HWND hWnd)
 /*---------------------------------------------------------------------------*\
 | BOUNCE COMMAND PROCEDURE
 |
-| created: 20-May-91
-| history: 20-May-91 <chriswil> created.
-|
 \*---------------------------------------------------------------------------*/
 BOOL BounceCommandProc(HWND hWnd, WPARAM wParam, LONG lParam)
 {
@@ -146,9 +140,6 @@ BOOL BounceCommandProc(HWND hWnd, WPARAM
 /*---------------------------------------------------------------------------*\
 | BOUNCE PAINT PROCEDURE
 |
-| created: 20-May-91
-| history: 20-May-91 <chriswil> created.
-|
 \*---------------------------------------------------------------------------*/
 VOID BouncePaintProc(HWND hWnd)
 {
@@ -168,9 +159,6 @@ VOID BouncePaintProc(HWND hWnd)
 /*---------------------------------------------------------------------------*\
 | BOUNCE DESTROY PROCEDURE
 |
-| created: 20-May-91
-| history: 20-May-91 <chriswil> created.
-|
 \*---------------------------------------------------------------------------*/
 VOID BounceDestroyProc(HWND hWnd)
 {
@@ -195,9 +183,6 @@ VOID BounceDestroyProc(HWND hWnd)
 /*---------------------------------------------------------------------------*\
 | BOUNCE REFRESH
 |
-| created: 20-May-91
-| history: 20-May-91 <chriswil> created.
-|
 \*---------------------------------------------------------------------------*/
 VOID BounceRefresh(HWND hWnd)
 {
@@ -223,7 +208,7 @@ VOID BounceRefresh(HWND hWnd)
 
             ballGetDimensions(pbd->hBall2,&pDimensions);
             ballSetPosition(pbd->hBall2,rect.right-pDimensions.x,0);
-            xDirection = -((lRandom() % 5)+5);
+            xDirection = -(((int)lRandom() % 5)+5);
             yDirection =  ((lRandom() % 5)+5);
             ballSetDirection(pbd->hBall2,xDirection,yDirection);
 
@@ -231,14 +216,14 @@ VOID BounceRefresh(HWND hWnd)
             ballGetDimensions(pbd->hBall3,&pDimensions);
             ballSetPosition(pbd->hBall3,0,rect.bottom-pDimensions.y);
             xDirection =  ((lRandom() % 5)+5);
-            yDirection = -((lRandom() % 5)+5);
+            yDirection = -((int)(lRandom() % 5)+5);
             ballSetDirection(pbd->hBall3,xDirection,yDirection);
 
 
             ballGetDimensions(pbd->hBall4,&pDimensions);
             ballSetPosition(pbd->hBall4,rect.right-pDimensions.x,rect.bottom-pDimensions.y);
-            xDirection = -((lRandom() % 5)+5);
-            yDirection = -((lRandom() % 5)+5);
+            xDirection = -((int)(lRandom() % 5)+5);
+            yDirection = -((int)(lRandom() % 5)+5);
             ballSetDirection(pbd->hBall4,xDirection,yDirection);
 
 
@@ -316,7 +301,7 @@ VOID CheckEdgePosition(HWND hWnd, HANDLE
     }
     if((xNewPos+pDim.x) > rect.right)
     {
-        xNewDir = -((lRandom() % 5)+5);
+        xNewDir = -(((int)lRandom() % 5)+5);
         ballSetPosition(hBall,rect.right-pDim.x,pPos.y);
     }
     if(yNewPos < rect.top)
@@ -326,7 +311,7 @@ VOID CheckEdgePosition(HWND hWnd, HANDLE
     }
     if((yNewPos+pDim.y) > rect.bottom)
     {
-        yNewDir = -((lRandom() % 5)+5);
+        yNewDir = -(((int)lRandom() % 5)+5);
         ballSetPosition(hBall,pPos.x,rect.bottom-pDim.y);
     }
     ballSetDirection(hBall,xNewDir,yNewDir);
@@ -338,9 +323,6 @@ VOID CheckEdgePosition(HWND hWnd, HANDLE
 /*---------------------------------------------------------------------------*\
 | CLEAR XFORM
 |
-| created: 31-Oct-90
-| history: 31-Oct-90 <chriswil> created.
-|
 \*---------------------------------------------------------------------------*/
 VOID XFormClear(PMYXFORM pXForm)
 {
@@ -360,9 +342,6 @@ VOID XFormClear(PMYXFORM pXForm)
 /*---------------------------------------------------------------------------*\
 | XFORM SCALE
 |
-| created: 31-Oct-90
-| history: 31-Oct-90 <chriswil> created.
-|
 \*---------------------------------------------------------------------------*/
 VOID XFormScale(PMYXFORM pXForm, int xScale, int yScale)
 {
@@ -379,12 +358,6 @@ VOID XFormScale(PMYXFORM pXForm, int xSc
 
 
 
-/*---------------------------------------------------------------------------*\
-|
-| created: 31-Oct-90
-| history: 31-Oct-90 <chriswil> created.
-|
-\*---------------------------------------------------------------------------*/
 VOID XFormTrans(PMYXFORM pXForm, int xTrans, int yTrans)
 {
     pXForm->xForm[2][0] = pXForm->xForm[2][0] + xTrans;
@@ -395,12 +368,6 @@ VOID XFormTrans(PMYXFORM pXForm, int xTr
 
 
 
-/*---------------------------------------------------------------------------*\
-|
-| created: 31-Oct-90
-| history: 31-Oct-90 <chriswil> created.
-|
-\*---------------------------------------------------------------------------*/
 VOID XFormPoint(PMYXFORM pXForm, LPPOINT pPoint)
 {
     int x,y;