C / C++ / MFC

cpp_prgmer wrote:

lpstrFile member of GetOpenFileName function OPENFILENAME param returns me just the selected file name instead of prepending d string with dir path.

cpp_prgmer wrote:

How does defining _UNICODE affect the working of this function, and how does one resolve this problem??

MultiByteToWideChar(CP_ACP, 0, ofn.lpstrFile, -1, pszFile, 512);

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--Owner Drawn
--Nothing special
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void main( void )
{
    OPENFILENAME ofn = {0};
    wchar_t szBuffer[MAX_PATH] = {0};
 
    ofn.lStructSize = sizeof(OPENFILENAME);
    ofn.lpstrFile   = szBuffer;
    ofn.nMaxFile    = sizeof(szBuffer);
 
    GetOpenFileName(&ofn);
 
    wprintf(L"%s\n", ofn.lpstrFile);
}

"The words of God are not like the oak leaf which dies and falls to the earth, but like the pine tree which stays green forever." - Native American Proverb

cpp_prgmer wrote:

Abt hiding n/w places option in d placebar, won't modifying d registry entry affect d working of other appl?? or is it dat ur...

cpp_prgmer wrote:

Abt hiding n/w places option in d placebar, won't modifying d registry entry affect d working of other appl??

cpp_prgmer wrote:

Well how abt multiple file selection using the same func.

cpp_prgmer wrote:

OFN_ALLOWMULTISELECT is not supported

"The words of God are not like the oak leaf which dies and falls to the earth, but like the pine tree which stays green forever." - Native American Proverb

"The words of God are not like the oak leaf which dies and falls to the earth, but like the pine tree which stays green forever." - Native American Proverb

"The words of God are not like the oak leaf which dies and falls to the earth, but like the pine tree which stays green forever." - Native American Proverb

"The words of God are not like the oak leaf which dies and falls to the earth, but like the pine tree which stays green forever." - Native American Proverb

Laxman9 wrote:

fscanf returns when white space is encountered.

Laxman9 wrote:

so you can use fgets which reads the file line by line.

"The words of God are not like the oak leaf which dies and falls to the earth, but like the pine tree which stays green forever." - Native American Proverb

CFile file("c:\\log.txt", CFile::modeRead);
LPBYTE lpBuffer = new BYTE[file.GetLength() + 1];
UINT uBytesRead = file.Read(lpBuffer, file.GetLength());
lpBuffer[uBytesRead] = '\0';
file.Close();
m_Text.SetWindowText(lpBuffer); // assuming that m_Text is a CEdit variable
// no need to use UpdateData()

"The words of God are not like the oak leaf which dies and falls to the earth, but like the pine tree which stays green forever." - Native American Proverb

cpp_prgmer wrote:

Now the data may need to b displayed on Editcontrol whih is on a different dlg than the one from which the read request has been initiated.

cpp_prgmer wrote:

So one needs to store the data on2 a CString or like to Xfer the data to dat dlg.

cpp_prgmer wrote:

Secondly, when u read file data u wud not know in advance how large the file length wud b...

cpp_prgmer wrote:

How abt having a fixed size buffer that reads data and does...

cpp_prgmer wrote:

CString wud manage the hassles of mem mgmt and u have read all the data w/o any allocation work by urself.

cpp_prgmer wrote:

Does CString have any limitations of not being able 2 store large data or newline probs etc??

"The words of God are not like the oak leaf which dies and falls to the earth, but like the pine tree which stays green forever." - Native American Proverb