为什么找不到resource.h文件
大虾好! 我是根据windows程序设计自学API的,学到资源这卡住了,以下是代码:
#include <windows.h>
#include "resource.h"
#define ID_TIMER 1
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
TCHAR szAppName[] = TEXT ("MenuDemo") ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow)
{
HWND hwnd ;
MSG msg ;
WNDCLASS wndclass ;
wndclass.style = CS_HREDRAW | CS_VREDRAW ;
wndclass.lpfnWndProc = WndProc ;
wndclass.cbClsExtra = 0 ;
wndclass.cbWndExtra = 0 ;
wndclass.hInstance = hInstance ;
wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
wndclass.lpszMenuName = szAppName ;
wndclass.lpszClassName = szAppName ;
if (!RegisterClass (&wndclass))
{
MessageBox ( NULL, TEXT ("This program requires Windows NT!"),
szAppName, MB_ICONERROR) ;
return 0 ;
}
hwnd = CreateWindow ( szAppName, TEXT ("Menu Demonstration"),
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT,
NULL, NULL, hInstance, NULL) ;
ShowWindow (hwnd, iCmdShow) ;
UpdateWindow (hwnd) ;
while (GetMessage (&msg, NULL, 0, 0))
{
TranslateMessage (&msg) ;
DispatchMessage (&msg) ;
}
return msg.wParam ;
}
LRESULT CALLBACK WndProc ( HWND hwnd, UINT message, WPARAM wParam,LPARAM lParam)
{
static int idColor [5] = { WHITE_BRUSH, LTGRAY_BRUSH, GRAY_BRUSH,
DKGRAY_BRUSH, BLACK_BRUSH } ;
static int iSelection = IDM_BKGND_WHITE ;
HMENU hMenu ;
switch (message)
{
case WM_COMMAND:
hMenu = GetMenu (hwnd) ;
switch (LOWORD (wParam))
{
case IDM_FILE_NEW:
case IDM_FILE_OPEN:
case IDM_FILE_SAVE:
case IDM_FILE_SAVE_AS:
MessageBeep (0) ;
return 0 ;
case IDM_APP_EXIT:
SendMessage (hwnd, WM_CLOSE, 0, 0) ;
return 0 ;
case IDM_EDIT_UNDO:
case IDM_EDIT_CUT:
case IDM_EDIT_COPY:
case IDM_EDIT_PASTE:
case IDM_EDIT_CLEAR:
MessageBeep (0) ;
return 0 ;
case IDM_BKGND_WHITE:
// Note: Logic below
case IDM_BKGND_LTGRAY:
// assumes that IDM_WHITE
case IDM_BKGND_GRAY:
// through IDM_BLACK are
case IDM_BKGND_DKGRAY:
// consecutive numbers in
case IDM_BKGND_BLACK:
// the order shown here.
CheckMenuItem (hMenu, iSelection,
MF_UNCHECKED) ;
iSelection = LOWORD (wParam) ;
CheckMenuItem (hMenu, iSelection,
MF_CHECKED) ;
SetClassLong (hwnd, GCL_HBRBACKGROUND,
(LONG) GetStockObject
(idColor [LOWORD (wParam)
- IDM_BKGND_WHITE])) ;
InvalidateRect (hwnd, NULL, TRUE) ;
return 0 ;
case IDM_TIMER_START:
if (SetTimer (hwnd, ID_TIMER, 1000, NULL))
{
EnableMenuItem (hMenu,
IDM_TIMER_START,
MF_GRAYED) ;
EnableMenuItem (hMenu,
IDM_TIMER_STOP, MF_ENABLED) ;
}
return 0 ;
case IDM_TIMER_STOP:
KillTimer (hwnd, ID_TIMER) ;
EnableMenuItem (hMenu,
IDM_TIMER_START, MF_ENABLED) ;
EnableMenuItem (hMenu,
IDM_TIMER_STOP, MF_GRAYED) ;
return 0 ;
case IDM_APP_HELP:
MessageBox (hwnd, TEXT ("Help not
yet implemented!"),
szAppName,
MB_ICONEXCLAMATION | MB_OK) ;
return 0 ;
case IDM_APP_ABOUT:
MessageBox (hwnd,TEXT ("Menu
Demonstration
Program\n") TEXT ("(c)
Charles Petzold, 1998"),
szAppName, MB_ICONINFORMATION
| MB_OK) ;
return 0 ;
}
break ;
case WM_TIMER:
MessageBeep (0) ;
return 0 ;
case WM_DESTROY:
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, message, wParam, lParam) ;
}
运行这边说
static int iSelection = IDM_BKGND_WHITE ; 这行开始报错
说这个 IDM_BKGND_WHITE 没有定义;
我也建了.RC文件,项目组也有显示.rc文件,可我进资源10个分类都看了,就是没有这
IDM_BKGND_WHITE 这个定义;而且 项目那边也没有显示resource.h 这个头文件;
这要怎么办?是要自己建一个resource.h头文件?这个教程说可以用笔记本打开这个头文件;
可是连头文件都没看到;本人新手自学,请大虾不要见笑,不吝赐教!谢谢!
[解决办法]
IDM_BKGND_WHITE 应该是 .rc 文件里使用到的个菜单项的 id 吧,是自己定义的,就如 IDM_FILE_* 及 IDM_EDIT_* 一样,和 resource.h 没有关系的;resource.h 文件是编程环境自带的,无须自建。