IEのURL取得

hoge.c

//#define CINTERFACE
#include <exdisp.h>
#include <windows.h>
#include <Objbase.h>
#include <Shlwapi.h>


void hoge()
{
	IShellWindows *psw;
	HRESULT hr;
	VARIANT Vnt;
	IDispatch *pDisp;
	IWebBrowser2 *pIE;
	BSTR bstr;
	long i;
	WCHAR Buf[MAX_PATH];

	hr = CoInitialize(NULL);
	if (SUCCEEDED(hr))
	{
		hr = CoCreateInstance(
			&CLSID_ShellWindows,
			NULL,
			CLSCTX_ALL,
			&IID_IShellWindows,
			(void**)&psw);
	}

	if (psw)
	{
		long cnt;
		psw->lpVtbl->get_Count(psw, &cnt);
		if (cnt != 0)
		{
			for (i = 0; i < cnt; i++)
			{
				Vnt.vt = VT_I4;
				Vnt.lVal = i;
				psw->lpVtbl->Item(psw, Vnt, &pDisp);

				if (pDisp)
				{
					pDisp->lpVtbl->QueryInterface(pDisp, &IID_IWebBrowser2, (void**)&pIE);
					if (pIE)
					{
						pIE->lpVtbl->get_FullName(pIE, &bstr);
						lstrcpyW(Buf, PathFindFileNameW(bstr));

						if (lstrcmpW(L"iexplore.exe", Buf) == 0)
						{
							pIE->lpVtbl->get_LocationURL(pIE, &bstr);
							MessageBoxW(0, (LPCWSTR)bstr, 0, MB_OK);
						}
						SysFreeString(bstr);
						VariantClear(&Vnt);
						pIE->lpVtbl->Release(pIE);

					}
					pDisp->lpVtbl->Release(pDisp);
				}
			}
		}
		psw->lpVtbl->Release(psw);
	}
	CoUninitialize();
}


void main()
{
	hoge();
}