link.c

liu7788414

#include "stdafx.h"
#include "windows.h"
//#include "shlwapi.h"
#include "shlobj.h"
#include "objbase.h"
#include <assert.h>

HRESULT ResolveIt(HWND hwnd, LPCSTR lpszLinkFile, LPSTR lpszPath) 
{ 
    HRESULT hres; 
    IShellLink* psl; 
    char szGotPath[MAX_PATH]; 
    char szDescription[MAX_PATH]; 
    WIN32_FIND_DATA wfd; 
 
    *lpszPath = 0; // assume failure 
 
    // Get a pointer to the IShellLink interface. 
    hres = CoCreateInstance(&CLSID_ShellLink, NULL, 
            CLSCTX_INPROC_SERVER, &IID_IShellLink, &psl); 
    if (SUCCEEDED(hres)) { 
        IPersistFile* ppf; 
 
        // Get a pointer to the IPersistFile interface. 
        hres = psl->lpVtbl->QueryInterface(psl, &IID_IPersistFile, 
            &ppf); 
        if (SUCCEEDED(hres)) { 
            WORD wsz[MAX_PATH]; 
 
            // Ensure that the string is Unicode. 
            MultiByteToWideChar(CP_ACP, 0, lpszLinkFile, -1, wsz, 
                MAX_PATH); 
 
            // Load the shortcut. 
            hres = ppf->lpVtbl->Load(ppf, wsz, STGM_READ); 
            if (SUCCEEDED(hres)) { 
 
                // Resolve the link. 
                hres = psl->lpVtbl->Resolve(psl, hwnd, SLR_ANY_MATCH); 
                if (SUCCEEDED(hres)) { 
 
                    // Get the path to the link target. 
                    hres = psl->lpVtbl->GetPath(psl, szGotPath, 
                        MAX_PATH, (WIN32_FIND_DATA *)&wfd, 
                        SLGP_SHORTPATH ); 
                    if (!SUCCEEDED(hres)) 
						assert(0);
 
                    // Get the description of the target. 
                    hres = psl->lpVtbl->GetDescription(psl, 
                        szDescription, MAX_PATH); 
                    if (!SUCCEEDED(hres)) 
                        assert(0);
                    lstrcpy(lpszPath, szGotPath); 
                } 
            } 
        // Release the pointer to the IPersistFile interface. 
        ppf->lpVtbl->Release(ppf); 
        } 
    // Release the pointer to the IShellLink interface. 
    psl->lpVtbl->Release(psl); 
    } 
    return hres; 
}