CA2W gave me a "'AtlThrowLastWin32': identifier not found" error

atl, big5, c++, unicode, visual-studio-2005

Solution

I finally solved this problem by adding 2 include headers:

#include <atlbase.h> 
#include <atlstr.h>

I don't know why the MSDN document doesn't mention that.

Problem

I got a strange compilation error when I followed the MSDN document to use CA2W to convert big5 strings to unicode strings in Visual Studio 2005. This is the code I wrote: ``` #include <string> #include <atldef.h> #include <atlconv.h> using namespace std; int _tmain(int argc, _TCHAR* argv[]) { string chineseInBig5 = "\xA4\xA4\xA4\xE5"; ATL::CA2W(chineseInBig5.c_str()); return 0; } ``` The compilation error: error C3861: 'AtlThrowLastWin32': identifier not found I don't know how this could happen. The document of AtlThrowLastWin32 shows that atldef.h is required, but I couldn't find the declaration of AtlThrowLastWin32 in atldef.h.

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