WIN32 API

[핵심 API로 배우는 윈도우프로그래밍(강경우, 한빛아카데미)] 8장 1번 풀이

오다기리 박 2018. 1. 9. 17:51
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#include <Windows.h>
#include<tchar.h>
#include<string.h>
#include"resource.h"
#include<winres.h>
//#pragma comment(linker,"/entry:WinMainCRTStartup /subsystem:console")
LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam);
HINSTANCE hInst;
 
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpszCmdLine, int nCmdShow)
{
    HWND hwnd;
    MSG msg;
    WNDCLASS WndClass;
 
    hInst = hInstance;
    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 = MAKEINTRESOURCE(IDR_MENU1);
    WndClass.lpszClassName = _T("Window Class Name");
 
    RegisterClass(&WndClass);
 
    hwnd = CreateWindow(
        _T("Window Class Name"),
        _T("박정호"),
        WS_OVERLAPPEDWINDOW,
        50,
        50,
        1000,
        700,
        NULL,
        NULL,
        hInstance,
        NULL);
 
    ShowWindow(hwnd, nCmdShow);
    UpdateWindow(hwnd);
 
    while (GetMessage(&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    return (int)msg.wParam;
}
 
LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam)
{
    HANDLE hFile;
    HDC hdc;
    RECT rect;
    PAINTSTRUCT ps;
    OPENFILENAME OFN;
    static TCHAR filepath[1000],filename[100];
    TCHAR filter[] = _T("텍스트 파일 (*.txt)\0*.txt\0모든 파일 (*.*)\0*.*\0");
    TCHAR inbuff[1000];
    DWORD size;
 
    switch (iMsg)
    {
    case WM_CREATE:
        break;
    case WM_COMMAND:
        switch (LOWORD(wParam))
        {
        case ID_FILEOPEN:
            memset(&OFN, 0, sizeof(OPENFILENAME));
            OFN.lStructSize = sizeof(OPENFILENAME);
            OFN.hwndOwner = hwnd;
            OFN.lpstrFile = filepath;
            OFN.nMaxFile = 1000;
            OFN.lpstrFileTitle = filename;
            OFN.nMaxFileTitle = 100;
            OFN.lpstrFilter = filter;
            OFN.Flags = OFN_EXPLORER;
            OFN.lpstrInitialDir = _T(".");
            GetOpenFileName(&OFN);
 
            hFile = CreateFile(filepath, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0);
            memset(inbuff, 0, sizeof(inbuff));
            ReadFile(hFile, inbuff, 999 * sizeof(TCHAR), &size, NULL);
            hdc = GetDC(hwnd);
            GetClientRect(hwnd, &rect);
            DrawText(hdc, inbuff, (int)_tcslen(inbuff), &rect, DT_TOP | DT_LEFT);
            ReleaseDC(hwnd, hdc);
            CloseHandle(hFile);
            break;
        }
        break;
    case WM_PAINT:
        break;
    case WM_DESTROY:
        PostQuitMessage(0);
        break;
 
    }
    return DefWindowProc(hwnd, iMsg, wParam, lParam);
}
cs


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