winapi 锁定程序到任务栏 c++

#include "stdafx.h"
#include 
#include 
#include 
#include 

#define IF_FAILED_OR_NULL_BREAK(rv,ptr) \
    {if (FAILED(rv) || ptr == NULL) break;}

#define SAFE_RELEASE(p) { if(p) { (p)->Release(); (p)=NULL; } }

const WCHAR kPinStrEn[] = L"Pin to Taskbar";
const WCHAR kPinStrCh[] = L"锁定到任务栏";

bool PinToWin7TaskBar(const WCHAR* file_dir,const WCHAR* file_name)
{
    CoInitialize(NULL);
    CComPtr pShellDisp;
    CComPtr folder_ptr;
    CComPtr folder_item_ptr;
    CComPtr folder_item_verbs_ptr;
    bool ret = false;
    HRESULT rv = CoCreateInstance( CLSID_Shell, NULL, CLSCTX_SERVER,IID_IDispatch, (LPVOID *) &pShellDisp );
    do 
    {
        IF_FAILED_OR_NULL_BREAK(rv,pShellDisp);
        rv = pShellDisp->NameSpace(_variant_t(file_dir),&folder_ptr);

        IF_FAILED_OR_NULL_BREAK(rv,folder_ptr);
        rv = folder_ptr->ParseName(CComBSTR(file_name),&folder_item_ptr);

        IF_FAILED_OR_NULL_BREAK(rv,folder_item_ptr);
        rv = folder_item_ptr->Verbs(&folder_item_verbs_ptr);

        IF_FAILED_OR_NULL_BREAK(rv,folder_item_verbs_ptr);
        long count = 0;
        folder_item_verbs_ptr->get_Count(&count);
        for (long i = 0; i < count ; ++i)
        {
            FolderItemVerb* item_verb = NULL;
            rv = folder_item_verbs_ptr->Item(_variant_t(i),&item_verb);
            if (SUCCEEDED(rv) && item_verb)
            {
                CComBSTR name;
                item_verb->get_Name(&name);
                if (_wcsnicmp(name,kPinStrEn,wcslen(kPinStrEn)) == 0
                    || _wcsnicmp(name,kPinStrCh,wcslen(kPinStrCh)) == 0)
                {
                    item_verb->DoIt();
                    ret = true;
                    break;
                }
            }
        }
    } while (0);

    CoUninitialize();
    return ret;
}

int main(int _args,char* _argc)
{
    PinToWin7TaskBar(L"C:\\Users\\Administrator\\AppData\\Roaming\\yyExplore\\yyExplore",
        L"yyExplore.exe");
    return 0;
}