case WM_DESTROY :
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
UpdateWindow (hwnd) ;
while (GetMessage (&msg, NULL, 0, 0))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
return 0 ;
case WM_PAINT :
hdc = BeginPaint (hwnd, &ps) ;
for (y = 0 ; y < cyClient ; y += cyIcon)
wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
szAppName, MB_ICONERROR) ;
return 0 ;
}
hwnd = CreateWindow (szAppName, TEXT ("Menu Demonstration"),
WS_OVERLAPPEDWINDOW,
PSTR szCmdLine, int iCmdShow)
{
TCHAR szAppName[] = TEXT ("IconDemo") ;
HWND hwnd ;
MSG msg ;
WNDCLASS wndclass ;
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, hInstance, NULL) ;
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, hInstance, NULL) ;
ShowWindow (hwnd, iCmdShow) ;
wndclass.hbrBackground = GetStockObject (WHITE_BRUSH) ;
wndclass.lpszMenuName = NULL ;
wndclass.lpszClassName = szAppName ;
if (!RegisterClass (&wndclass))
#define ID_TIMER 1
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
TCHAR szAppName[] = TEXT ("MenuDemo") ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
cyIcon = GetSystemMetrics (SM_CYICON) ;
return 0 ;
case WM_SIZE :
cxClient = LOWORD (lParam) ;
cyClient = HIWORD (lParam) ;
wndclass.lpszMenuName = szAppName ;
wndclass.lpszClassName = szAppName ;
if (!RegisterClass (&wndclass))
{
MessageBox (NULL, TEXT ("This program requires Windows NT!"),
#include <windows.h>
#include "resource.h"
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
wndclass.style = CS_HREDRAW | CS_VREDRAW ;
wndclass.lpfnWndProc = WndProc ;
wndclass.cbClsExtra = 0 ;
wndclass.cbWndExtra = 0 ;
hwnd = CreateWindow (szAppName, TEXT ("Icon Demo"),
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
// Next default values for new objects
//
#ifdef APSTUDIO_INVOKED
#ifndef APSTUDIO_READONLY_SYMBOLS
#define _APS_NEXT_RESOURCE_VALUE 106
#define _APS_NEXT_COMMAND_VALUE 40001
hInstance = ((LPCREATESTRUCT) lParam)->hInstance ;
hIcon = LoadIcon (hInstance, MAKEINTRESOURCE (IDI_ICON)) ;
cxIcon = GetSystemMetrics (SM_CXICON) ;
wndclass.hInstance = hInstance ;
wndclass.hIcon = LoadIcon (hInstance, MAKEINTRESOURCE (IDI_ICON)) ;
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
PSTR szCmdLine, int iCmdShow)
{
HWND hwnd ;
MSG msg ;
WNDCLASS wndclass ;
wndclass.style = CS_HREDRAW | CS_VREDRAW ;
HDC hdc ;
HINSTANCE hInstance ;
PAINTSTRUCT ps ;
int x, y ;
switch (message)
{
case WM_CREATE :
for (x = 0 ; x < cxClient ; x += cxIcon)
DrawIcon (hdc, x, y, hIcon) ;
EndPaint (hwnd, &ps) ;
chap10-IconDemo
/*------------------------------------------
ICONDEMO.C -- Icon Demonstration Program
(c) Charles Petzold, 1998
------------------------------------------*/
}
return msg.wParam ;
}
LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
static HICON hIcon ;
static int cxIcon, cyIcon, cxClient, cyClient ;
wndclass.lpfnWndProc = WndProc ;
wndclass.cbClsExtra = 0 ;
wndclass.cbWndExtra = 0 ;
wndclass.hInstance = hInstance ;
}
chap10-IconDemo头文件
//{{NO_DEPENDENCIES}}
// Microsoft Developer Studio generated include file.
// Used by IconDemo.rc
//
#define IDI_ICON 101
{
MessageBox (NULL, TEXT ("This program requires Windows NT!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
MENUDEMO.C -- Menu Demonstration
(c) Charles Petzold, 1998
-----------------------------------------*/
#include <windows.h>
#include "resource.h"
#define _APS_NEXT_CONTROL_VALUE 1000
#define _APS_NEXT_SYMED_VALUE 101
#endif
#endif
chap10-MenuDemo
/*-----------------------------------------