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#include <stdlib.h>
하셔야 합니다.
그럼
초야 님이 쓰신 글 :
: C++ 빌더X에서 컴파일 시꼈을때는 이런 메시지가 떳고요
: iVscrollPos=max(0,min(iVscrollPos,NUMLINES - 1));
: //"Unit1.cpp": E2268 Call to undefined function 'max' in function __stdcall WndProc(HWND__ *,unsigned int,unsigned int,long) at line 103
:
: 똑같은 비주얼 씨++에서 했더니 잘 돼더라고요 왜 그런지 아시는 분은 좀 알려주세요
:
:
: 소스첨부할께요 찰스펫조드 프로그래밍윈도우즈 챕터4에 sysmets2.c란 거예요
:
:
:
: #define NUMLINES ((int) (sizeof sysmetrics / sizeof sysmetrics[0]))
:
: struct
: {
: int iIndex;
: TCHAR *szLabel;
: TCHAR *szDesc;
: }
: sysmetrics[]=
: {
: SM_CXSCREEN, TEXT("SM_CXSCREEN"),
: TEXT("Screen width in pixels"),
: SM_CYSCREEN, TEXT("SM_CYSCREEN"),
: TEXT("Screen height in pixels"),
: SM_CXVSCROLL, TEXT("SM_CXVSCROLL"),
: TEXT("Vertical scroll width"),
: SM_CYHSCROLL, TEXT("SM_CYHSCROLL"),
: TEXT("Horizontal scroll height"),
: SM_CYCAPTION, TEXT("SM_CYCAPTION"),
: TEXT("Caption bar height"),
: SM_CXBORDER, TEXT("SM_CXBORDER"),
: TEXT("Window border height"),
: SM_CXFIXEDFRAME,TEXT("SM_CXFIXEDFRAME"),
: TEXT("Dialog window frame width"),
: SM_CYFIXEDFRAME,TEXT("SM_CYFIXEDFRAME"),
: TEXT("Dialog windwo frame height"),
: SM_CYVTHUMB, TEXT("SM_CYVTHUMB"),
: TEXT("Vertical scroll thumb height"),
: SM_CXHTHUMB, TEXT("SM_CXHTHUMB"),
: TEXT("Horizontal scroll thumb width"),
: SM_CXICON, TEXT("SM_CXICON"),
: TEXT("Icon width"),
: SM_CYICON, TEXT("SM_CYICON"),
: TEXT("Icon height"),
: SM_CXCURSOR, TEXT("SM_CXCURSOR"),
: TEXT("Cursor width"),
: SM_CYCURSOR, TEXT("SM_CYCURSOR"),
: TEXT("Cursor height"),
: SM_CYMENU, TEXT("SM_CYMENU"),
: TEXT("Menu bar height"),
: SM_CXFULLSCREEN,TEXT("SM_CXFULLSCREEN"),
: TEXT("Full screen client area width"),
: SM_CYFULLSCREEN,TEXT("SM_CYFULLSCREEN"),
: TEXT("Full screen client area width"),
: SM_CYKANJIWINDOW,TEXT("SM_CYKANJIWINDOW"),
: TEXT("Kanji window height"),
: SM_MOUSEPRESENT,TEXT("SM_MOUSEPRESENT"),
: TEXT("Mouse present flag"),
: SM_CYVSCROLL, TEXT("SM_CYVSCROLL"),
: TEXT("Vertical scroll arrow height"),
: SM_CXHSCROLL, TEXT("SM_CXHSCROLL"),
: TEXT("Horizontal scroll arrow width"),
: SM_DEBUG, TEXT("SM_DEBUG"),
: TEXT("Debug version flag"),
: SM_SWAPBUTTON, TEXT("SM_SWAPBUTTON"),
: TEXT("Mouse buttons swapped flag"),
: SM_CXMIN, TEXT("SM_CXMIN"),
: TEXT("Minimum window width"),
: SM_CYMIN, TEXT("SM_CYMIN"),
: TEXT("Minimum window height"),
: SM_CXSIZE, TEXT("SM_CXSIZE"),
: TEXT("Min/Max/Close button width"),
: SM_CYSIZE, TEXT("SM_CYSIZE"),
: TEXT("Min/Max/Close button height"),
: SM_CXSIZEFRAME, TEXT("SM_CXSIZEFRAME"),
: TEXT("Window sizing frame width"),
: SM_CYSIZEFRAME, TEXT("SM_CYSIZEFRAME"),
: TEXT("Min/Max/Close button height"),
: SM_CXMINTRACK, TEXT("SM_CXMINTRACK"),
: TEXT("Minimum window tracking width"),
: SM_CXDOUBLECLK, TEXT("SM_CXDOUBECLK"),
: TEXT("Double click x tolerance"),
: SM_CYDOUBLECLK, TEXT("SM_CYDOUBECLK"),
: TEXT("Double click y tolerance"),
: SM_CXICONSPACING,TEXT("SM_CXICONSPACING"),
: TEXT("Horizontal icon spacing"),
: SM_CYICONSPACING,TEXT("SM_CYICONSPACING"),
: TEXT("Vertical icon spacing"),
: SM_MENUDROPALIGNMENT,TEXT("SM_MENUDRAPALIGNMENT"),
: TEXT("Left or right menu drop"),
: SM_DBCSENABLED, TEXT("SM_DBCSENABLED"),
: TEXT("Doubl-Byte Char set enabled"),
: SM_PENWINDOWS, TEXT("SM_PENWINDOWS"),
: TEXT("Pen extensions installed"),
: SM_CMOUSEBUTTONS,TEXT("SM_CMOUSEBUTTONS"),
: TEXT("Numer of mouse button"),
: SM_SECURE, TEXT("SM_SECURE"),
: TEXT("Security present flag"),
: SM_CXEDGE, TEXT("SM_CXEDGE"),
: TEXT("3-D border width"),
: SM_CYEDGE, TEXT("SM_CYEDGE"),
: TEXT("3-D border height"),
: SM_CXMINSPACING,TEXT("SM_CXMINSPACING"),
: TEXT("Minimized window spacing width"),
: SM_CYMINSPACING,TEXT("SM_CYMINSPACING"),
: TEXT("Minimized window spacing height"),
: SM_CXSMICON, TEXT("SM_CXSMICON"),
: TEXT("Small Icon widht"),
: SM_CYSMICON, TEXT("SM_CYSMICON"),
: TEXT("Small Icon height"),
: SM_CYSMCAPTION, TEXT("SM_CYSMCAPTION"),
: TEXT("Small caption height"),
: SM_CXSMSIZE, TEXT("SM_CYSMSIZE"),
: TEXT("Small caption button width"),
: SM_CYSMSIZE, TEXT("SM_CYSMSIZE"),
: TEXT("Small caption button heihgt"),
: SM_CXMENUSIZE, TEXT("SM_CXMENUSIZE"),
: TEXT("Menu bar button width"),
: SM_CYMENUSIZE, TEXT("SM_CYMENUSIZE"),
: TEXT("Menu bar button height"),
: SM_ARRANGE, TEXT("SM_ARRANGE"),
: TEXT("How minimized windows arranged"),
: SM_CXMINIMIZED, TEXT("SM_CXMINIMIZED"),
: TEXT("Minimized window width"),
: SM_CYMINIMIZED, TEXT("SM_CYMINIMIZED"),
: TEXT("Minimized window height"),
: SM_CXMAXTRACK, TEXT("SM_CXMAXTRACK"),
: TEXT("Maximum draggable width"),
: SM_CYMAXTRACK, TEXT("SM_CYMAXTRACK"),
: TEXT("Maximum draggable height"),
: SM_CXMAXIMIZED, TEXT("SM_CXMAXIMIZED"),
: TEXT("Width of maximized window"),
: SM_CYMAXIMIZED, TEXT("SM_CYMAXIMIZED"),
: TEXT("Height of maximized window"),
: SM_NETWORK, TEXT("SM_NETWORK"),
: TEXT("Network present flag"),
: SM_CLEANBOOT, TEXT("SM_CLEANBOOT"),
: TEXT("How systm was booted"),
: SM_CXDRAG, TEXT("SM_CXDRAG"),
: TEXT("Avoid drag x tolerance"),
: SM_CYDRAG, TEXT("SM_CYDRAG"),
: TEXT("Avoid drag y tolerance"),
: SM_SHOWSOUNDS, TEXT("SM_SHOWSOUNDS"),
: TEXT("Present sounds visually"),
: SM_CXMENUCHECK, TEXT("SM_CXMEUNCHECK"),
: TEXT("Meun check-mark width"),
: SM_CYMENUCHECK, TEXT("SM_CYMENUCHECK"),
: TEXT("Menu check-mark height"),
: SM_SLOWMACHINE, TEXT("SM_SHOWMACHINE"),
: TEXT("Slow processor flag"),
: SM_MIDEASTENABLED,TEXT("SM_MIDEASTENABLED"),
: TEXT("Hebrew and Arabic enabled flag"),
: SM_MOUSEWHEELPRESENT,TEXT("SM_MOUSEWHEELPRESENT"),
: TEXT("Mouse wheel present flag"),
: SM_XVIRTUALSCREEN,TEXT("SM_XVIRTUALSCREEN"),
: TEXT("Virtual screen x orign"),
: SM_YVIRTUALSCREEN,TEXT("SM_YVIRTUALSCREEN"),
: TEXT("Virtual screen y origh"),
: SM_CXVIRTUALSCREEN,TEXT("SM_CXVIRTUALSCREEN"),
: TEXT("Virtual screen width"),
: SM_CYVIRTUALSCREEN,TEXT("SM_CYVIRTUALSECREEN"),
: TEXT("Virtual screen height"),
: SM_CMONITORS, TEXT("SM_CMONITORS"),
: TEXT("Number of monitors"),
: SM_SAMEDISPLAYFORMAT,TEXT("SM_SAMEDISPLAYFORMAT"),
: TEXT("Same color fomat flag")
: };
:
:
: //---------------------------------------------------------------------------
: // Unit1.cpp
: //---------------------------------------------------------------------------
:
: #include <windows.h>
: #include "Unit1.h"
:
: LRESULT CALLBACK WndProc(HWND, UINT , WPARAM, LPARAM);
:
: int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,PSTR szCmdLine,int iCmdShow)
: {
: static TCHAR szAppName[] = TEXT("SysMets2");
: 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 = NULL;
: wndclass.lpszClassName = szAppName;
:
: if(!RegisterClass(&wndclass))
: {
: MessageBox(NULL,TEXT("This program requires windows NT!"),szAppName,MB_ICONERROR);
: return 0;
: }
:
: hwnd = CreateWindow(szAppName,
: TEXT("Get System Metrics No.2"),
: WS_OVERLAPPEDWINDOW | WS_VSCROLL,
: 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 cxChar,cxCaps,cyChar,cyClient,iVscrollPos;
: HDC hdc;
: int i,y;
: PAINTSTRUCT ps;
: TCHAR szBuffer[10];
: TEXTMETRIC tm;
:
: switch(message)
: {
: case WM_CREATE:
: hdc = GetDC(hwnd);
:
: GetTextMetrics(hdc,&tm);
: cxChar = tm.tmAveCharWidth;
: cxCaps = (tm.tmPitchAndFamily & 1 ? 3 : 2) * cxChar / 2;
: cyChar = tm.tmHeight + tm.tmExternalLeading;
:
: ReleaseDC(hwnd,hdc);
:
: SetScrollRange(hwnd,SB_VERT,0,NUMLINES - 1,FALSE);
: SetScrollPos(hwnd,SB_VERT,iVscrollPos,TRUE);
: return 0;
:
: case WM_SIZE:
: cyClient = HIWORD(lParam);
: return 0;
:
: case WM_VSCROLL:
: switch (LOWORD(wParam))
: {
: case SB_LINEUP:
: iVscrollPos -= 1;
: break;
: case SB_LINEDOWN:
: iVscrollPos += 1;
: break;
: case SB_PAGEUP:
: iVscrollPos -= cyClient / cyChar;
: break;
: case SB_PAGEDOWN:
: iVscrollPos += cyClient / cyChar;
: break;
: case SB_THUMBPOSITION:
: iVscrollPos = HIWORD(wParam);
: break;
: default:
: break;
: }
:
: iVscrollPos=max(0,min(iVscrollPos,NUMLINES - 1)); //이 부분이예욧
:
: if(iVscrollPos != GetScrollPos(hwnd,SB_VERT))
: {
: SetScrollPos(hwnd,SB_VERT,iVscrollPos,TRUE);
: InvalidateRect(hwnd,NULL,TRUE);
: }
: return 0;
: case WM_PAINT:
: hdc = BeginPaint(hwnd,&ps);
: for(i = 0; i < NUMLINES ; i++)
: {
: y = cyChar * (i - iVscrollPos);
:
: TextOut(hdc,0,y,
: sysmetrics[i].szLabel,
: lstrlen(sysmetrics[i].szLabel));
:
: TextOut(hdc,22 * cxCaps,y,
: sysmetrics[i].szDesc,
: lstrlen(sysmetrics[i].szDesc));
:
: SetTextAlign(hdc,TA_RIGHT | TA_TOP);
:
: TextOut(hdc,22 * cxCaps + 40 * cxChar,y,szBuffer,
: wsprintf(szBuffer,TEXT("%5"),
: GetSystemMetrics(sysmetrics[i].iIndex)));
:
: SetTextAlign(hdc, TA_LEFT | TA_TOP);
: }
: EndPaint(hwnd, &ps);
: return 0;
:
: case WM_DESTROY:
: PostQuitMessage(0);
: return 0;
: }
: return DefWindowProc(hwnd,message,wParam,lParam);
: }
:
:
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