WINDOW에서 파일의 존재 여부를 판단하는 방법

1014 단어 학습 기록
//window     ,          

//   strFileName

//  1
POFSTRUCT lpOpenBuf = new OFSTRUCT;//  delete
HFILE hFile = OpenFile(strFileName, lpOpenBuf, OF_EXIST);
if (hFile != HFILE_ERROR)
{
    //file exist
}

//  2
ifstream infile(strFileName);
if (!infile)
{
    //file not exist
}

//  3
#include 
#pragma comment(lib, "Shlwapi.lib")
BOOL ret = PathFileExists(strFileName);

//  4
FILE* fp = NULL;
fp = fopen(strFileName, "r");
if (fp != NULL)
{
    //file exist
}

//  5
HANDLE hFind = INVALID_HANDLE_VALUE;
WIN32_FIND_DATA data;
hFind = FindFirstFile(strFileName, &data);
if (hFind)
{
    //file exist
}
FindClose(hFind);

//  6
HANDLE hFile = CreateFile(strFileName, GENERIC_ALL, FILE_SHARE_READ, NULL, OPEN_EXISTING, NULL);
DWROD err = GetLastError();
if (err = ERROR_FILE_NOT_FOUND)
{
    //FILE NOT FOUND
}
if (hFile)
{
    CloseHandle(hFile);
}

//  7
CFileFind find;
int ret = find.FindFile(strFileName);
if (ret == 0)
{
    //file not found
}

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