🚀 go-pugleaf

Thank you very much, Great comments!

"Remy Lebeau (TeamB)" <no.spam@no.spam.com> wrote in message 
news:42c2f171$1@newsgroups.borland.com...
>
> "Jeff" <Jeff@nospam.com> wrote in message
> news:42c2e09e$1@newsgroups.borland.com...
>
>> I'm trying to use a Windows API call to get the full name of
>> the person logged into the current system. When I compile
>> my code below I get an "Unresolved external 'GetUserNameExW'
>> referenced from..." linker error.
>
> Try adding "secur32.lib" to your project.  It is in the $(BCB)\Lib\PSDK
> folder.
>
>> WCHAR   wszDN[MAXBUFF];  //Character buffer for DN Name
>> ULONG   cchDN = MAXBUFF; //Length of DN Name
>
> Rather than hard-coding your buffer size, you should allow GetUserNameEx()
> to tell you what buffer size to use.
>
>    ULONG cchDN = 0;
>    GetUserNameEx(NameDisplay, NULL, &cchDN);
>    if( GetLastError() == ERROR_MORE_DATA )
>    {
>        WCHAR *wszDN = new WCHAR[cchDN];
>        if( GetUserNameEx(NameDisplay, wszDN, &cchDN) )
>            //...
>        delete[] wszDN;
>    }
>
>> if (!GetUserNameEx(NameDisplay, wszDN, &cchDN))
>
> Do note that GetUserNameEx() is only available on Win2K Pro/Server, XP, 
> and
> Win2K3 Server.  If you need your application to run on any other OS
> versions, then you cannot statically link to GetUserNameEx() or else the
> application will fail to run at all on them.  You would have to use
> LoadLibrary() and GetProcAddress() instead to access the function pointer
> dynamically at runtime.
>
>>     lbeAddress->Text = static_cast<String>(wszDN);
>
> That is a very dangerous cast.  You are casting a wchar_t[] buffer into an
> AnsiString, which it is not.  Just assign the wchar_t[] directly to the 
> Text
> instead.  AnsiString has a constructor that accepts a wchar_t* as a
> parameter:
>
>    lbeAddress->Text = wszDN;
>
> Or alternatively, it also has a constructor that accepts a WideString as a
> parameter:
>
>    lbeAddress->Text = WideString(wszDN, cchDN);
>
>
> Gambit
>
>