I'm sorry to waste your time. But I don't know which article you refered to. Did you mean the FTPTransferDlg class?:confused: Looking forward to your reply. Thank you. Law is meaningless without chaos. Chaos without Law is equal to destruction. Chaos and Law create our rich and colorful world.

Thank you very much!:-D Law is meaningless without chaos. Chaos without Law is equal to destruction. Chaos and Law create our rich and colorful world.

I had the same Problem, I found a solution, doing something over the FTP Server, like a change Dir, or a FindFile, etc... Cheers!!!:-D Carlos Antollini.

Application instance handle will be useless; it's provided for backward compatibility (all processes see identical value). You'll have to get a process ID instead. Then, as Norm suggested, you should use EnumWindows. For each window call GetWindowThreadProcessId and compare the IDs. Note that this technique gives you handles of toplevel windows; if you want their child you'll have to use EnumChildWindows. Tomasz Sowinski -- http://www.shooltz.com

But when I use SetCurrentDirectory in CFtpConnection calss, I sometimes got a error message from WININET.DLL and KERNEL32.DLL. I don't know why. Could you explain it?:confused: Law is meaningless without chaos. Chaos without Law is equal to destruction. Chaos and Law create our rich and colorful world.

Thanks a lot:) Law is meaningless without chaos. Chaos without Law is equal to destruction. Chaos and Law create our rich and colorful world.

Aren't you missing anything in the exposition of your problem? The class is trivially thread safe, basically because it does nothing. Joaquín M López Muñoz Telefónica, Investigación y Desarrollo

Sorry, I'm using Win 2k Simplified Chinese version, so I don't know what the error message is in English. But I think it should be something like "0xxxxxx" instruction referenced to "xxxxxxxx" address error, the memory cannot be 'read'. Here is the content searching function: void MultiThreadSearch::IterFind( CFtpConnection *pFTP, LPCTSTR szStrToFind, LPCTSTR dircontent, int maxdepth, BOOL bOmit, int index, int depth) { MSG msg; CStringArray csDirectories; long directories=0; BOOL bFlag=FALSE; BOOL bNeedSearch=TRUE; if(maxdepth!=-1&&depth>maxdepth) return; CMyFtpFileFind finder(pFTP); bFlag=finder.FindFile(NULL,INTERNET_FLAG_DONT_CACHE| INTERNET_FLAG_RESYNCHRONIZE); while(bFlag) { if(bQuit) { return; } if(::PeekMessage(&msg,NULL,NULL,NULL,PM_REMOVE)) { ::TranslateMessage(&msg); ::DispatchMessage(&msg); } bFlag=finder.FindNextFile(); CString yytemp=szMainTitle; yytemp+=finder.MyGetFileURL(); (AfxGetApp()->GetMainWnd())->SetWindowText(yytemp); bNeedSearch=FALSE; if(finder.IsDirectory()|| finder.MatchesMask(FILE_ATTRIBUTE_REPARSE_POINT)) { BOOL bResult=FALSE; if(finder.IsDirectory()) { if(finder.IsDots()) { bResult=TRUE; } } if(bResult) { continue; } if(depth<=maxdepth) { CString xxx=finder.GetFileName(); if(dircontent==NULL) { bNeedSearch=TRUE; } else if(bOmit) { xxx.MakeUpper(); if(xxx.Find(dircontent)!=-1) { bNeedSearch=TRUE; } } else if(xxx.Find(dircontent)!=-1) { bNeedSearch=TRUE; } if(bQuit) { return; } if(bNeedSearch) { directories++; CString ttt=finder.GetFileName(); csDirectories.Add(ttt); BOOL bGotIt=FALSE; if(bOmit) { ttt.MakeUpper(); LPSTR pStr=ttt.LockBuffer(); if(regular.Search(pStr)) { bGotIt=TRUE; } ttt.UnlockBuffer(); } else { LPSTR pStr=ttt.LockBuffer(); if(regular.Search(pStr)) { bGotIt=TRUE; } ttt.UnlockBuffer(); } if(bQuit) { return; } if(bGotIt) { CString xx=finder.MyGetFilePath(); CWftp1Dlg *pDlg=(CWftp1Dlg*)CWftp1Dlg::FromHandle(hWnd); CTreeCtrl *pTree=(CTreeCtrl*)pDlg->GetDlgItem(IDC_TREE_FTPS); pTree->InsertItem(xx, *((HTREEITEM*)arAllFTPs.GetAt(index))); pTree->Expand(*((HTREEITEM*)arAllFTPs.GetAt(index)), TVE_EXPAND); } } }