여기저기 NULL 고쳐봐도 계속 그런데 소스좀 봐주세요 ㅠㅠ



#include <windows.h>
#include "../resource.h"
#include "atlimage.h"

LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);
HINSTANCE g_hInst;
HWND hWndMain;
LPCTSTR lpszClass=TEXT("코믹 뷰어");

int APIENTRY WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance
   ,LPSTR lpszCmdParam,int nCmdShow)

{
 HWND hWnd;
 MSG Message;
 WNDCLASS WndClass;
 g_hInst=hInstance;
 
 int width =GetSystemMetrics(SM_CXSCREEN);
    int height =GetSystemMetrics(SM_CYSCREEN);

 WndClass.cbClsExtra=0;
 WndClass.cbWndExtra=0;
 WndClass.hbrBackground=(HBRUSH)(COLOR_WINDOW+1);
 WndClass.hCursor=LoadCursor(NULL,IDC_ARROW);
 WndClass.hIcon=LoadIcon(NULL,IDI_APPLICATION);
 WndClass.hInstance=hInstance;
 WndClass.lpfnWndProc=WndProc;
 WndClass.lpszMenuName = MAKEINTRESOURCE(IDR_MENU4_2);
 WndClass.lpszClassName=lpszClass;
 WndClass.lpszMenuName=NULL;
 WndClass.style=CS_HREDRAW | CS_VREDRAW;
 RegisterClass(&WndClass);

 hWnd=CreateWindow(lpszClass,lpszClass,WS_OVERLAPPEDWINDOW,
  CW_USEDEFAULT,CW_USEDEFAULT,width,height,
  NULL,(HMENU)NULL,hInstance,NULL);
 ShowWindow(hWnd,nCmdShow);
 
 while (GetMessage(&Message,NULL,0,0)) {
  TranslateMessage(&Message);
  DispatchMessage(&Message);
 }
 return (int)Message.wParam;
}

LRESULT CALLBACK WndProc(HWND hWnd,UINT iMessage,WPARAM wParam,LPARAM lParam)
{
 HDC     hdc;
 PAINTSTRUCT   ps;
 CImage image; //Cimage 선언

 OPENFILENAME OFN;
 char str[100], lpstrFile[100] = "";
 char filter[] = "Image File(*.jpg)\\0*.jpg\\0";

 switch (iMessage) {
 case WM_CREATE:
  CreateWindow(TEXT("edit"),TEXT("1 / 125 Page"),WS_CHILD | WS_VISIBLE | WS_BORDER |
   ES_AUTOHSCROLL,30,680,90,25,hWnd,(HMENU)0,g_hInst,NULL);
  CreateWindow(TEXT("button"),TEXT("<"),WS_CHILD | WS_VISIBLE |
   BS_PUSHBUTTON,610,680,70,25,hWnd,(HMENU)1,g_hInst,NULL);
  CreateWindow(TEXT("button"),TEXT("<<"),WS_CHILD | WS_VISIBLE |
   BS_PUSHBUTTON,520,680,70,25,hWnd,(HMENU)2,g_hInst,NULL);
  CreateWindow(TEXT("button"),TEXT("▲"),WS_CHILD | WS_VISIBLE |
   BS_PUSHBUTTON,460,680,30,25,hWnd,(HMENU)40006,g_hInst,NULL);
  CreateWindow(TEXT("button"),TEXT(">"),WS_CHILD | WS_VISIBLE |
   BS_PUSHBUTTON,700,680,70,25,hWnd,(HMENU)4,g_hInst,NULL);
  CreateWindow(TEXT("button"),TEXT(">>"),WS_CHILD | WS_VISIBLE |
   BS_PUSHBUTTON,790,680,70,25,hWnd,(HMENU)5,g_hInst,NULL);
  CreateWindow(TEXT("button"),TEXT("옵션"),WS_CHILD | WS_VISIBLE |
   BS_PUSHBUTTON,1030,680,70,25,hWnd,(HMENU)6,g_hInst,NULL);
  CreateWindow(TEXT("button"),TEXT("?"),WS_CHILD | WS_VISIBLE |
      BS_PUSHBUTTON,1110,680,30,25,hWnd,(HMENU)7,g_hInst,NULL);
  break;

    case WM_PAINT:
        hdc = BeginPaint(hWnd,&ps); // 그리기 시작

        image.Load(TEXT("OFN.lpstrFile")); // 파일경로의 이미지를 로드
        image.BitBlt(hdc, 0, 0); // 화면 0,0 위치에 출력

        EndPaint(hWnd,&ps);
        break;

 case WM_COMMAND:

  switch (LOWORD(wParam))
  {
  case ID_FILEOPEN:
   memset(&OFN, 0, sizeof(OPENFILENAME));
   OFN.lStructSize = sizeof(OPENFILENAME);
   OFN.hwndOwner = hWnd;
   OFN.lpstrFilter = filter;
   OFN.lpstrFile = lpstrFile;
   OFN.nMaxFile = 100;
   OFN.lpstrInitialDir = ".";
   if (GetOpenFileName(&OFN) != 0)
   {
    wsprintf(str, "%s 파일을 열겠습니까?", OFN.lpstrFile);
    MessageBox(hWnd, str, "열기 선택", MB_OK);
    
   }
   break;
  }
  break;

 case WM_DESTROY:
  PostQuitMessage(0);
  return 0;
 }
 return(DefWindowProc(hWnd,iMessage,wParam,lParam));
}