ExpandShortcut.cpp

#include "stdafx.h"

CString ExpandShortcut(CString &inFile)
{
	CString outFile = "";

    // Make sure we have a path
    ASSERT(inFile != _T(""));

    IShellLink* psl;
    HRESULT hres;
    LPTSTR lpsz = inFile.GetBuffer(MAX_PATH);

    // Create instance for shell link
    hres = ::CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER,
        IID_IShellLink, (LPVOID*) &psl);
    if (SUCCEEDED(hres))
    {
        // Get a pointer to the persist file interface
        IPersistFile* ppf;
        hres = psl->QueryInterface(IID_IPersistFile, (LPVOID*) &ppf);
        if (SUCCEEDED(hres))
        {
            // Make sure it's ANSI
            WORD wsz[MAX_PATH];
            ::MultiByteToWideChar(CP_ACP, 0, lpsz, -1, wsz, MAX_PATH);

            // Load shortcut
            hres = ppf->Load(wsz, STGM_READ);
            if (SUCCEEDED(hres)) {
				WIN32_FIND_DATA wfd;
				// find the path from that
				HRESULT hres = psl->GetPath(outFile.GetBuffer(MAX_PATH), 
								MAX_PATH,
								&wfd, 
								SLGP_UNCPRIORITY);

				outFile.ReleaseBuffer();
            }
            ppf->Release();
        }
        psl->Release();
    }

	inFile.ReleaseBuffer();

	// if this fails, outFile == ""
    return outFile;
}