对文件的创建、删除、修改、读取基本操作

DeleteFile(L"E:\\test.txt");

/*

HANDLE hFile = CreateFile(L"E:\\test.txt", GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, OPEN_ALWAYS , FILE_ATTRIBUTE_NORMAL, 0);

if (hFile == INVALID_HANDLE_VALUE)

{

return 0;

}

TCHAR pBufWrite[100] = L"200";

DWORD dwBytesToWrite = 100;

DWORD dwBytesWrite = 0;

if (!WriteFile(hFile, pBufWrite, dwBytesToWrite, &dwBytesWrite, NULL)

|| dwBytesWrite == 0)

{

CloseHandle(hFile);

return 0;

}

TCHAR pBufRead[100] = {0,};

DWORD dwBytesToRead = 100;

DWORD dwBytesRead = 0;

if (!ReadFile(hFile, pBufRead, dwBytesToRead, &dwBytesRead, NULL)

|| dwBytesRead == 0)

{

CloseHandle(hFile);

return 0;

}

CloseHandle(hFile);*/