C++开发ActiveX控件相关

1.UUID值：

XXXX.idl最下部：

// CMsgPromptCtrl 的类信息

[

uuid(84045072-8AA6-40D2-A641-0097F7F6650F)

]

coclass MsgPrompt

{

[default] dispinterface _DMsgPrompt;

[default, source] dispinterface _DMsgPromptEvents;

};

2.安全代码：

在XXXCtrl.h中添加

#include <objsafe.h>

//安全代码

DECLARE_INTERFACE_MAP()

BEGIN_INTERFACE_PART(ObjSafe, IObjectSafety)

STDMETHOD_(HRESULT, GetInterfaceSafetyOptions) (

REFIID riid,

DWORD __RPC_FAR *pdwSupportedOptions,

DWORD __RPC_FAR *pdwEnabledOptions

);

STDMETHOD_(HRESULT, SetInterfaceSafetyOptions) (

REFIID riid,

DWORD dwOptionSetMask,

DWORD dwEnabledOptions

);

END_INTERFACE_PART(ObjSafe);

在XXXXCtrl.Cpp中添加：

//安全代码

BEGIN_INTERFACE_MAP( CMsgPromptCtrl, COleControl )

INTERFACE_PART(CMsgPromptCtrl, IID_IObjectSafety, ObjSafe)

END_INTERFACE_MAP()

//安全代码；

ULONG FAR EXPORT CMsgPromptCtrl::XObjSafe::AddRef()

{

METHOD_PROLOGUE(CMsgPromptCtrl, ObjSafe)

return pThis->ExternalAddRef();

}

ULONG FAR EXPORT CMsgPromptCtrl::XObjSafe::Release()

{

METHOD_PROLOGUE(CMsgPromptCtrl, ObjSafe)

return pThis->ExternalRelease();

}

HRESULT FAR EXPORT CMsgPromptCtrl::XObjSafe::QueryInterface(

REFIID iid, void FAR* FAR* ppvObj)

{

METHOD_PROLOGUE(CMsgPromptCtrl, ObjSafe)

return (HRESULT)pThis->ExternalQueryInterface(&iid, ppvObj);

}

const DWORD dwSupportedBits =

INTERFACESAFE_FOR_UNTRUSTED_CALLER |

INTERFACESAFE_FOR_UNTRUSTED_DATA;

const DWORD dwNotSupportedBits = ~ dwSupportedBits;

HRESULT STDMETHODCALLTYPE CMsgPromptCtrl::XObjSafe::GetInterfaceSafetyOptions(

REFIID riid,

DWORD __RPC_FAR *pdwSupportedOptions,

DWORD __RPC_FAR *pdwEnabledOptions

)

{

METHOD_PROLOGUE(CMsgPromptCtrl, ObjSafe)

HRESULT retval = ResultFromScode(S_OK);

// 接口是否存在

IUnknown FAR* punkInterface;

retval = pThis->ExternalQueryInterface(&riid, (void * *)&punkInterface);

if (retval != E_NOINTERFACE) // 接口存在

{

punkInterface->Release(); // 释放引用

}

// We support both kinds of safety and have always both set,

// regardless of interface.

*pdwSupportedOptions = *pdwEnabledOptions = dwSupportedBits;

return retval; // E_NOINTERFACE if QI failed

}

//////////////////////////////////////////////////////////// /////////////////

// CXXXCtrl::XObjSafe::SetInterfaceSafetyOptions

HRESULT STDMETHODCALLTYPE CMsgPromptCtrl::XObjSafe::SetInterfaceSafetyOptions(

REFIID riid,

DWORD dwOptionSetMask,

DWORD dwEnabledOptions

)

{

METHOD_PROLOGUE(CMsgPromptCtrl, ObjSafe)

// 接口是否存在

IUnknown FAR* punkInterface;

pThis->ExternalQueryInterface(&riid, (void * *)&punkInterface);

if (punkInterface) // 接口存在

{

punkInterface->Release(); // 释放引用

}

else // 接口不存在

{

return ResultFromScode(E_NOINTERFACE);

}

// Can't set bits we don't support.

if (dwOptionSetMask & dwNotSupportedBits)

{

return ResultFromScode(E_FAIL);

}

// Can't set bits we do support to zero

dwEnabledOptions &= dwSupportedBits;

// (We already know there are no extra bits in mask. )

if ((dwOptionSetMask & dwEnabledOptions) != dwOptionSetMask)

{

return ResultFromScode(E_FAIL);

}

// Don't need to change anything since we're always safe.

return ResultFromScode(S_OK);

}

3.添加接口和事件：

添加接口：

XXXXLib下的DXXXX右键-->添加-->添加方法

添加事件：

XXXXCtrl右键-->添加-->添加事件