Changing file attributes?

I would like to be able to change certain file attributes of existing files or set these file attributes before creating the the files from within my program. e.g. - the date of creation of a file.
Can anybody point me in the right direction? :)

from msdn

Code:

---

WIN32_FIND_DATA FileData;
HANDLE hSearch;
DWORD dwAttrs;
char szDirPath[] = "c:\\TEXTRO\\";
char szNewPath[MAX_PATH];
char szHome[MAX_PATH];
 
BOOL fFinished = FALSE;
 
// Create a new directory.
 
if (!CreateDirectory(szDirPath, NULL))
{
    ErrorHandler("Couldn't create new directory.");
}
 
// Start searching for .TXT files in the current directory.
 
hSearch = FindFirstFile("*.txt", &FileData);
if (hSearch == INVALID_HANDLE_VALUE)
{
    ErrorHandler("No .TXT files found.");
}
 
// Copy each .TXT file to the new directory
// and change it to read only, if not already.
 
while (!fFinished)
{
    lstrcpy(szNewPath, szDirPath);
    lstrcat(szNewPath, FileData.cFileName);
    if (CopyFile(FileData.cFileName, szNewPath, FALSE))
    {
        dwAttrs = GetFileAttributes(FileData.cFileName);
        if (!(dwAttrs & FILE_ATTRIBUTE_READONLY))
        {
            SetFileAttributes(szNewPath,
                dwAttrs | FILE_ATTRIBUTE_READONLY);
        }
    }
    else
    {
        ErrorHandler("Couldn't copy file.");
    }
 
    if (!FindNextFile(hSearch, &FileData))
    {
        if (GetLastError() == ERROR_NO_MORE_FILES)
        {
            MessageBox(hwnd, "No more .TXT files.",
                "Search completed.", MB_OK);
            fFinished = TRUE;
        }
        else
        {
            ErrorHandler("Couldn't find next file.");
        }
    }
}
 
// Close the search handle.
 
if (!FindClose(hSearch))
{
    ErrorHandler("Couldn't close search handle.");
}

---

I'm a total noob in win c++ programming.. where is this code to be placed? does it matter? can I have it in the OnInitDialog or`?