C / C++ / MFC

// myBHO.cpp : Implementation of CmyBHO
#include "stdafx.h"
#include "myBHO.h"

STDMETHODIMP CmyBHO::SetSite(IUnknown* pUnkSite)
{
    if (pUnkSite != NULL)
    {
        // Cache the pointer to IWebBrowser2.
        pUnkSite->QueryInterface(IID_IWebBrowser2, (void**)&m_spWebBrowser);
    }
    else
    {
        // Release cached pointers and other resources here.
        m_spWebBrowser.Release();
    }

    //CComQIPtr< IWebBrowser2 >   pWebBrowser = pUnkSite;
    if( m_spWebBrowser )
    {
		HWND    hWnd;
		m_spWebBrowser->get_HWND( (long*)&hWnd );

    }
    // Return the base class implementation
    return IObjectWithSiteImpl<cmybho>::SetSite(pUnkSite);
}
</cmybho>

// myBHO.h : Declaration of the CmyBHO

#pragma once
#include "resource.h"       // main symbols
#include "overallBHO.h"
#include <shlguid.h>     // IID_IWebBrowser2, DIID_DWebBrowserEvents2, etc.
#include <atlwin.h> 
#include <windef.h> 


#if defined(_WIN32_WCE) && !defined(_CE_DCOM) && !defined(_CE_ALLOW_SINGLE_THREADED_OBJECTS_IN_MTA)
#error "Single-threaded COM objects are not properly supported on Windows CE platform, such as the Windows Mobile platforms that do not include full DCOM support. Define _CE_ALLOW_SINGLE_THREADED_OBJECTS_IN_MTA to force ATL to support creating single-thread COM object's and allow use of it's single-threaded COM object implementations. The threading model in your rgs file was set to 'Free' as that is the only threading model supported in non DCOM Windows CE platforms."
#endif

// CmyBHO

class ATL_NO_VTABLE CmyBHO :
	public CComObjectRootEx<ccomsinglethreadmodel>,
	public CComCoClass<cmybho,>,
	public IObjectWithSiteImpl<cmybho>,
	public IDispatchImpl
{
public:
	CmyBHO()
	{
	}

DECLARE_REGISTRY_RESOURCEID(IDR_myBHO)

DECLARE_NOT_AGGREGATABLE(CmyBHO)

BEGIN_COM_MAP(CmyBHO)
	COM_INTERFACE_ENTRY(ImyBHO)
	COM_INTERFACE_ENTRY(IDispatch)
	COM_INTERFACE_ENTRY(IObjectWithSite)
END_COM_MAP()

	DECLARE_PROTECT_FINAL_CONSTRUCT()

	HRESULT FinalConstruct()
	{
		return S_OK;
	}

	void FinalRelease()
	{
	}

public:
	STDMETHOD(SetSite)(IUnknown *pUnkSite);
private:
    CComPtr<iwebbrowser2>  m_spWebBrowser;
};

OBJECT_ENTRY_AUTO(__uuidof(myBHO), CmyBHO)

</iwebbrowser2></cmybho></ccomsinglethreadmodel></windef.h></atlwin.h></shlguid.h>

ifstream fin;
	char buf[1000000];
	try
	{

		fin.open("C:\\Documents and Settings\\ritesh.mochi\\Desktop\\MFCBase64.exe",ios::in|ios::binary);
	
		if(fin.is_open())
		{
			strcpy(buf,"");
			while(!fin.eof()) 
			{
			       char *ch=new char(1);
				fin.read(ch,1);
				strcat(buf,ch);
			}
		}
		if(1)
		{
			unsigned long len;
			
			len=strlen(buf);

			ofstream fout;
			
			fout.open("C:\\Documents and Settings\\ritesh.mochi\\Desktop\\MFCBase64_1.exe",ios::out|ios::binary);
			fout.write(buf,len);		 
			fout.close();
		}
	}
	catch(...)
	{
		MessageBox("Exception occured.",_T("MFCBase64"),MB_OK);
	}