How Do I Get The Url From Current Active Tab In Internet Explorer Browser.

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C++

I am going to develop the project that should control in any browser (IE/FireFox/Chrom).
In IE I got the IWebBrowser objects using shell.

CComPtr<IShellWindows> pShellWindows;
		pShellWindows.CoCreateInstance(CLSID_ShellWindows);

		if(pShellWindows)
		{
			long lShellWindowCount=0;
			pShellWindows->get_Count(&lShellWindowCount);
			for(long i = 0; i < lShellWindowCount; i++)
			{
				CComPtr<IDispatch> pdispShellWindow;

				pShellWindows->Item(CComVariant(i),&pdispShellWindow);

				CComQIPtr<IWebBrowser2> pIE(pdispShellWindow);
				if(pIE)//is it a Shell window?
				{
					HWND hforeground = GetForegroundWindow();

					//is it the right type?
					LONG_PTR lwnd=NULL;
					pIE->get_HWND(&lwnd);
					HWND hwnd=reinterpret_cast<HWND>(lwnd);
					char className[_MAX_PATH];ZeroMemory(className, sizeof(className));
					//HWND hwnd = GetTabWindow(pIE);

					::GetClassName(hwnd, className ,_MAX_PATH);

					if(hforeground == hwnd && strcmp("IEFrame", className) == 0)
					{
						Here:
					}
				}	
			}
		}

But Here: the window handle of All tabs are same foreground window handle.
How do i get the active tab?
and How do i get the urls in Other Browser(Chrome/FireFox).
Thank you.

Help me.