#include <shlguid.h> // Needed for CLSID_CUrlHistory
#include <urlhist.h> // Needed for IUrlHistoryStg2 and IID_IUrlHistoryStg2
IUrlHistoryStg2* pHistory;  // We need this interface for clearing the history.
        HRESULT hr;
        DWORD cRef;
        CoInitialize(NULL);
        // Load the correct Class and request IUrlHistoryStg2
        hr = CoCreateInstance(CLSID_CUrlHistory, NULL, 
               CLSCTX_INPROC_SERVER, IID_IUrlHistoryStg2, reinterpret_cast<void **>(&pHistory));
        if (SUCCEEDED(hr))
        {
         // Clear the IE History
         hr = pHistory->ClearHistory();
        }
        // Release our reference to the 
        cRef = pHistory->Release();
        CoUninitialize();