#include <windows.h>

LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpszCmdLine, int nCmdShow)
{
    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  = "Window Class Name";
    RegisterClass(&WndClass);
    hwnd = CreateWindow(  "Window Class Name",
        "Window Title Name",
        WS_OVERLAPPEDWINDOW,
        CW_USEDEFAULT,
        CW_USEDEFAULT,
        CW_USEDEFAULT,
        CW_USEDEFAULT,
        NULL,
        NULL,
        hInstance,
        NULL
        );
  
    ShowWindow(hwnd, nCmdShow);
    UpdateWindow(hwnd);
  
    while(GetMessage(&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    return msg.wParam;
}

LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam)
{
    HDC   hdc;
    PAINTSTRUCT ps;
    static TCHAR str[5][11];
    static int line;
    static int count;
    int  i;
    switch(iMsg)
    {
    case WM_CREATE:
        line = 0;
        count = 0;
        return 0;
    case WM_PAINT:
        hdc = BeginPaint(hwnd, &ps);
        for ( i = 0; i < 5; i++)
                {
            TextOut (hdc, 0, i*15, str[i], strlen(str[i]));  
        }      
                break;
        EndPaint(hwnd, &ps);
    case WM_CHAR:
        if(wParam == VK_BACK ) {
            if (count > 0)    count--;
                        str[line][count] = '\0';
        }
        else if(wParam == VK_RETURN)
        {
                        if ( count < 5-1 ){
                count = 0;
                line++;
                        }
            
        }
        else {
            if ( count < 10 ) {
                str[line][count] = wParam;
                                count++;
                                str[line][count] = 0 ;
                                if( count == 10)
                                {
                                        count=0;
                                        line++;
                                }
                        }
                        InvalidateRgn(hwnd, NULL, TRUE);
                        if(line==5&&count++)
                                {
                                if(MessageBox(hwnd,"라인이초과되었습니다.\n종료하시겠습니까?", "EXIT", MB_YESNO)==IDYES)
                                {
                                case WM_DESTROY:
                                PostQuitMessage(0);
                                return 0;
                                }
                                else
                                {

                                }
                                
        }
                        
                }
                InvalidateRgn(hwnd, NULL, TRUE);
    }
    return DefWindowProc(hwnd, iMsg, wParam, lParam);
}


    
코드는 저렇게 만들었는데..        
대략 내용은 10자 5라인을 받을 수 있는건데..        
먼저 5라인 10자째 한글자를 더 입력을 하면 메시지 처리가 되게 만들었는데..        
아무리 해도 엔터로만 5라인 다 채우구 한번더 엔터를 쳤을때는 종료 하시겠습니까 하는 메시지가 어떻게 해도 안나오네요..        
어디를 수정 해야 될까요??        

        

부탁드립니다.. ㅠㅠ