RE: Cstring, string ,and char[]

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Mon, 18 Jun 2007 07:01:02 -0700
// Suppose
CString str;
std::string s;
char buf[SIZE];

// from CString to std::string
s = str;

// from std::string to CString
str = s.c_str();

// to char[]
_tcscpy(buf, str);
_tcscpy(buf, s.c_str());

// from char[]
str = buf;
s = buf;

Also, beware of unicode. If UNICODE is defined, you should convert between
unicode and ansi versions. Better to use TCHAR instead of char and
std::basic_string<TCHAR> instead of std::string.


"Asm23" wrote:

I have a problems on the file io.
when I use the dilog box to pick a txt file.
code is like below.

CFileDialog dlg(.......);
if(dlg.DoModal() == IDOK)
{ Cstring a;
      a= dlg.GetPathName();

the "a" will assigned a filename of the txt file.
a is a Cstring type variable.
but in standard c++ ,I use the

string p;
p=????;//p is the file full path.;
if (!inFile)
    cout << "Unable to open file";
where p is a standard string class.

My question is How can I traslate among Cstring ,string and char[].

Is there any common methods?
Thank you! everyone who read my post!

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