copyfile怎么样复制一个文件夹里面的所有文件

CStringArray strarray;
void FindFiles(LPCTSTR path,CString FTitle,LPCTSTR Ext,HWND hDlg)
{
    char szFilter[MAX_PATH];
    _makepath( szFilter, NULL, path, "*", "*" );

    // 开始搜寻目录下的档案----------------------------
    CFileFind Finder;
    BOOL bWorking = Finder.FindFile( szFilter );

    if ( bWorking == false ) return;
        printf("[PATH] %s\n", path );                    // 印出目录名称

    strarray.SetSize(B);
    while (bWorking)
    {
        bool StringCompare=false;
        bWorking = Finder.FindNextFile();
        if ( Finder.IsDots() )                            // 若为 . or .. 则不处理
            continue;
        else
        {
            CString str=Finder.GetFileName();
            CString Point =str.LockBuffer();
            CString ch = Point.Mid(Point.ReverseFind('.')+1,str.GetLength()-Point.ReverseFind('.'));

            if (Point.Find('_'))
            {
                CString fTitle=Point.Mid(0,Point.ReverseFind('_')+1);
                fTitle.TrimLeft();fTitle.TrimRight();
                if (((LPCTSTR)fTitle)==1)
                    StringCompare=true;
            }
            if ((ch==Ext) && (StringCompare==true))        // Compared File in the Same Folder
            {
                CListBox *pCtrl_1 = (CListBox*)AfxGetMainWnd()->GetDlgItem(IDC_LIST1);
                pCtrl_1->AddString((LPCTSTR)str);
                TCHAR buffer[B]={0};
                strcpy(buffer,path);
                strcat(buffer,(LPCTSTR)str);
                strarray.SetAt(FileCount, (LPCTSTR)buffer);
                FileCount++;
            }
            else                                        // All File in the Same Folder
            {
                CListBox *pCtrl_2 = (CListBox*)AfxGetMainWnd()->GetDlgItem(IDC_LIST2);
                pCtrl_2->AddString((LPCTSTR)str);
            }
        }
    }
}

取出指定文件夹内特定档案并列出至LISTBOX的～部分自己作修改就能复制一个文件夹里面的所有文件～