RE: [Dev-C++] Reading from text file

[<Mat...@Ve...>]

The STL string class has a c_str() method that will give you such an object.
With vector<char> you would probably use &v[0].

-----Original Message-----
From: Noorez Kassam [mailto:lor...@ho...]
Sent: Monday, July 11, 2005 3:27 PM
To: Mat...@Ve...
Subject: RE: [Dev-C++] Reading from text file


I was using these two functions to put text into the edit control:

SendMessage( GetDlgItem(main, IDC_MAIN_EDIT), EM_SETSEL, (WPARAM)nLength,
                 (LPARAM)nLength );

SendMessage( GetDlgItem(main, IDC_MAIN_EDIT), EM_REPLACESEL, (WPARAM)FALSE,
                 (LPARAM)inLine );
inLine was of type char*, the argument that the function will accept but how

can I do it with the vector<char> or string type?

>From: Mat...@Ve...
>To: lor...@ho...
>Subject: RE: [Dev-C++] Reading from text file
>Date: Mon, 11 Jul 2005 10:02:08 -0700
>
>Do not used fixed size buffers such as inLine is in your program or your
>code will have a buffer overflow.
>
>This is why C++ gives you vector<char> and string classes. Use these
>instead.
>
>-----Original Message-----
>From: dev...@li...
>[mailto:dev...@li...]On Behalf Of Noorez
>Kassam
>Sent: Friday, July 08, 2005 1:38 PM
>To: dev...@li...
>Subject: [Dev-C++] Reading from text file
>
>
>I am having trouble with reading from a text file in my program. For
>testing, I used notepad and typed and let word-wrap put text on the next
>line. I typed a lot into this file. I then used my program to try and open
>it but it froze. If I use the enter key to put in the newline then my
>program works. Whats wrong with it?
>
>#include "SML.h"
>
>// Function called from WindowProcedure to open text
>void OpenText(HWND main, HWND hEdit)
>{
>   ifstream openTextFile; // Handle to file
>
>   // Filter files visible in the open dialog box
>   char* filter = "Text Files (*.txt)\0*.txt\0All Files (*.*)\0*.*\0\0";
>
>   char* inLine = new char[900];
>
>   int nLength;
>
>   // Init the properties of the open dialog box
>   getOFNproperties(main, &dialogProperties, currentFileName, filter);
>
>   // Show the dialog and get the information
>   if( !GetOpenFileName(&dialogProperties) )
>   {
>     return; // Return if user cancels
>   }
>
>   openTextFile.open(currentFileName);
>
>   SetDlgItemText(main, IDC_MAIN_EDIT, ""); // Clear the edit control
>
>   int cntr = 1;
>
>   // Loop unitl the end of file is reached
>   while( !openTextFile.eof()  )
>   {
>     nLength = GetWindowTextLength(GetDlgItem(main, IDC_MAIN_EDIT));
>     openTextFile.getline(inLine,9000);
>
>     // A new line must have a "\r\n" so test for both
>     if( inLine[ strlen(inLine) -1 ] != '\r' )
>     {
>       strcat(inLine,"\r");
>     }
>     if( inLine[ strlen(inLine) -1] != '\n' )
>     {
>       strcat(inLine,"\n");
>     }
>
>     // And the message onto the edit control
>     SendMessage( GetDlgItem(main, IDC_MAIN_EDIT), EM_SETSEL,
>(WPARAM)nLength,
>                  (LPARAM)nLength );
>
>     SendMessage( GetDlgItem(main, IDC_MAIN_EDIT), EM_REPLACESEL,
>(WPARAM)FALSE,
>                  (LPARAM)inLine );
>     delete inLine;
>     inLine = new char[900];
>   }
>
>   untitled = false;
>   edited = false;
>   return;
>}
>
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