Re: using the string class with LoadString( )

From:
"Alexander Grigoriev" <alegr@earthlink.net>
Newsgroups:
microsoft.public.vc.language
Date:
Tue, 17 Nov 2009 07:20:46 -0800
Message-ID:
<#XLIKm5ZKHA.740@TK2MSFTNGP04.phx.gbl>
But in this case myBuf should not be TCHAR*, but only WCHAR*

"Giovanni Dicanio" <giovanniDOTdicanio@REMOVEMEgmail.com> wrote in message
news:uT7Uqf2ZKHA.4920@TK2MSFTNGP04.phx.gbl...

"Alex Blekhman" <tkfx.REMOVE@yahoo.com> ha scritto nel messaggio
news:#XkXwl1ZKHA.5976@TK2MSFTNGP05.phx.gbl...

  TCHAR *myBuf = 0;
  int x = LoadString(0,IDS_STRING101,(LPWSTR)&myBuf,0);
  if(x)
     std::wstring s(myBuf, myBuf+x);

[...]

It won't work because LoadString won't copy anything into myBuf buffer.
LoadString returns the number of chars copied into a buffer or zero in
case of error. You need to allocate destination buffer upfront, before
calling LoadString.


Alex: I'm not sure because I have not tested that kind of code, but I
think that can be correct.

In fact, I read in LoadString MSDN documentation:

LoadString Function
http://msdn.microsoft.com/en-us/library/ms647486%28VS.85%29.aspx

about 'nBufferMax' parameter:

"If this parameter is zero, then lpBuffer receives a read-only pointer to
the resource itself."

Giovanni

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