activex控件在IE中弹出安全警告的解决办法- -

控件的头文件要#include

//在控件头文件中加入：

 DECLARE_INTERFACE_MAP()

 BEGIN_INTERFACE_PART(ObjectSafety, IObjectSafety)
  STDMETHOD(GetInterfaceSafetyOptions)(REFIID riid, DWORD __RPC_FAR *pdwSupportedOptions, DWORD __RPC_FAR *pdwEnabledOptions);
  STDMETHOD(SetInterfaceSafetyOptions)(REFIID riid, DWORD dwOptionSetMask, DWORD dwEnabledOptions);
 END_INTERFACE_PART(ObjectSafety)

//在控件的CPP文件中加入：

BEGIN_INTERFACE_MAP(CVP2PCtrl, COleControl)
  INTERFACE_PART(CVP2PCtrl, IID_IObjectSafety, ObjectSafety)
END_INTERFACE_MAP()
// Implementation of IObjectSafety
STDMETHODIMP CVP2PCtrl::XObjectSafety::GetInterfaceSafetyOptions(
   REFIID riid,
   DWORD __RPC_FAR *pdwSupportedOptions,
   DWORD __RPC_FAR *pdwEnabledOptions)
{
 METHOD_PROLOGUE_EX(CVP2PCtrl, ObjectSafety)

 if (!pdwSupportedOptions || !pdwEnabledOptions)
 {
  return E_POINTER;
 }

 *pdwSupportedOptions = INTERFACESAFE_FOR_UNTRUSTED_CALLER | INTERFACESAFE_FOR_UNTRUSTED_DATA;
 *pdwEnabledOptions = 0;

 if (NULL == pThis->GetInterface(&riid))
 {
  TRACE("Requested interface is not supported.\n");
  return E_NOINTERFACE;
 }

 // What interface is being checked out anyhow?
 OLECHAR szGUID[39];
 int i = StringFromGUID2(riid, szGUID, 39);

 if (riid == IID_IDispatch)
 {
  // Client wants to know if object is safe for scripting
  *pdwEnabledOptions = INTERFACESAFE_FOR_UNTRUSTED_CALLER;
  return S_OK;
 }
 else if (riid == IID_IPersistPropertyBag
    || riid == IID_IPersistStreamInit
    || riid == IID_IPersistStorage
    || riid == IID_IPersistMemory)
 {
  // Those are the persistence interfaces COleControl derived controls support
  // as indicated in AFXCTL.H
  // Client wants to know if object is safe for initializing from persistent data
  *pdwEnabledOptions = INTERFACESAFE_FOR_UNTRUSTED_DATA;
  return S_OK;
 }
 else
 {
  // Find out what interface this is, and decide what options to enable
  TRACE("We didn't account for the safety of this interface, and it's one we support...\n");
  return E_NOINTERFACE;
 } 
}

STDMETHODIMP CVP2PCtrl::XObjectSafety::SetInterfaceSafetyOptions(
  REFIID riid,
  DWORD dwOptionSetMask,
  DWORD dwEnabledOptions)
{
 METHOD_PROLOGUE_EX(CVP2PCtrl, ObjectSafety)

 OLECHAR szGUID[39];
 // What is this interface anyway?
 // We can do a quick lookup in the registry under HKEY_CLASSES_ROOT\Interface
 int i = StringFromGUID2(riid, szGUID, 39);

 if (0 == dwOptionSetMask && 0 == dwEnabledOptions)
 {
  // the control certainly supports NO requests through the specified interface
  // so it's safe to return S_OK even if the interface isn't supported.
  return S_OK;
 }

 // Do we support the specified interface?
 if (NULL == pThis->GetInterface(&riid))
 {
  TRACE1("%s is not support.\n", szGUID);
  return E_FAIL;
 }

 if (riid == IID_IDispatch)
 {
  TRACE("Client asking if it's safe to call through IDispatch.\n");
  TRACE("In other words, is the control safe for scripting?\n");
  if (INTERFACESAFE_FOR_UNTRUSTED_CALLER == dwOptionSetMask && INTERFACESAFE_FOR_UNTRUSTED_CALLER == dwEnabledOptions)
  {
   return S_OK;
  }
  else
  {
   return E_FAIL;
  }
 }
 else if (riid == IID_IPersistPropertyBag
    || riid == IID_IPersistStreamInit
    || riid == IID_IPersistStorage
    || riid == IID_IPersistMemory)
 {
  TRACE("Client asking if it's safe to call through IPersist*.\n");
  TRACE("In other words, is the control safe for initializing from persistent data?\n");

  if (INTERFACESAFE_FOR_UNTRUSTED_DATA == dwOptionSetMask && INTERFACESAFE_FOR_UNTRUSTED_DATA == dwEnabledOptions)
  {
   return NOERROR;
  }
  else
  {
   return E_FAIL;
  }
 }
 else
 {
  TRACE1("We didn't account for the safety of %s, and it's one we support...\n", szGUID);
  return E_FAIL;
 }
}

STDMETHODIMP_(ULONG) CVP2PCtrl::XObjectSafety::AddRef()
{
 METHOD_PROLOGUE_EX_(CVP2PCtrl, ObjectSafety)
 return (ULONG)pThis->ExternalAddRef();
}

STDMETHODIMP_(ULONG) CVP2PCtrl::XObjectSafety::Release()
{
 METHOD_PROLOGUE_EX_(CVP2PCtrl, ObjectSafety)
 return (ULONG)pThis->ExternalRelease();
}

STDMETHODIMP CVP2PCtrl::XObjectSafety::QueryInterface(
 REFIID iid, LPVOID* ppvObj)
{
 METHOD_PROLOGUE_EX_(CVP2PCtrl, ObjectSafety)
 return (HRESULT)pThis->ExternalQueryInterface(&iid, ppvObj);
}