You can refer to it. http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnfiles/html/msdn_serial.asp Hello World!

The error: when I use the CFile object to write com1(computer seriel port 0) with 270 bytes, the code "pfile->Write(lpchar, 270)" will sometimes throw a CFileException::diskFull exception; Could u tell me why and In what condition the system will throw the exception "CFileException::diskFull", when I am writting a seriel port? Any Suggestions. Thanks. Hello World!

Please check your grammar book. Give your fun some parameters to need! Hello World!

Maybe char* const RPD_APP_FILE_EXT[] = {".RPD", ".RVR", ".UDO", ".RDO", ".ZRP"}; Hello World!

i know to use setupcomm() to set the size of i/o com buffers. but how can i get its default size? Thank u very much! Hello World!

you can try LockWindowUpdate and UnlockWindowUpdate. Hello World!

You should pick Bitmap Type in Picture properties. Hello World!

i suggest two probable ways: First, you can put your saved data into CMainFrame. Then use afxgetMainWnd() to get them needed. Two, you can mark every doc with a label. Then use cdoctemplate to enum every doc and pick up your needing one. How do you feel? Hello World!

when i compiled some program, the output in debug show : "You are not using the latest Platform SDK header/library " "files. This may prevent the project from building correctly." failed to compile it. and the origin code is: #ifndef WT_EXECUTEINPERSISTENTIOTHREAD #pragma message("You are not using the latest Platform SDK header/library ") #pragma message("files. This may prevent the project from buildingcorrectly.") #endif could u tell me how to solve my problem and explain what it's in? Thank u! Hello World!

if so, how to do? i don't want to add many global variables. Could u have some useful way? Thank u! Hello World!

i learn a little about smart points, but i don't know how to do. could u tell me? Thank u! Hello World!

I See. Thank u! Please use your head again. if u have another good way, please tell me immediately. Hello World!

when i use CStatic::SetBitmap, i don't know if memory leaks in my way. could u suggest me a good way out of leaking? Thank u very much! my way: CBitmap* pbmp = new CBitmap(); pbmp->LoadBitmap(someID); pstatic->SetBitmap(*pbmp); delete pbmp; //sometimes the line is ommitted Hello World!

Look at an example in MSDN! Hello World!

Could u tell anything about making matrix or non-matrix characters vectorizable??? Thank u, any way!!! Hello World!

do u know how to get character matrix in win and dos? e.g: 1 character matrix is similar to that: 0000x0000 0000x0000 0000x0000 0000x0000 0000x0000 Thank you! Hello World!

maybe u can try this: unsigned char *px = new unsigned char[bm.bmHeight*bm.bmWidthBytes]; bitmap->GetBitmapBits(bm.bmHeight*bm.bmWidthBytes,px); Hello World!

try on using stretchblt() Hello World!

No CLSID_DragDropHelper,IID_IDropTargetHelper and so on in this article[^] Could u help? Hello World!

try it in PreTranslateMessage() if (pMsg->message == WM_SYSKEYUP) { //do your things; //return your bool; } else return CDialog::PreTranslateMessage(pMsg); Hello World!