BHO中如何实现限制IE的打印，或不让IE打印

[caicairoom]

拦截打印信息也行。。。。。

[iamwjp]

不让选择打印，禁止菜单
禁止快捷键就 hook-keyboard
设置打印对话框也不让打印，hook StartDoc

[雪影]

STDMETHODIMP CXXX::Invoke(DISPID dispidMember,REFIID riid, LCID lcid,
WORD wFlags, DISPPARAMS * pDispParams,
VARIANT * pvarResult,EXCEPINFO * pexcepinfo,
UINT * puArgErr)
{
USES_CONVERSION;

if (!pDispParams)
return E_INVALIDARG;

switch (dispidMember)
{
//
// The parameters for this DISPID are as follows:
// [0]: Cancel flag - VT_BYREF|VT_BOOL
// [1]: HTTP headers - VT_BYREF|VT_VARIANT
// [2]: Address of HTTP POST data - VT_BYREF|VT_VARIANT
// [3]: Target frame name - VT_BYREF|VT_VARIANT
// [4]: Option flags - VT_BYREF|VT_VARIANT
// [5]: URL to navigate to - VT_BYREF|VT_VARIANT
// [6]: An object that evaluates to the top-level or frame
// WebBrowser object corresponding to the event.
//
case DISPID_BEFORENAVIGATE2:
break;
case DISPID_NAVIGATECOMPLETE2:
break;
case DISPID_DOCUMENTCOMPLETE:
break;
case DISPID_DOWNLOADBEGIN:
break;
case DISPID_DOWNLOADCOMPLETE:
break;
case DISPID_NEWWINDOW2:
break;
case DISPID_QUIT:
RegisterEventHandler(FALSE);
break;

//这里表示打印初始化事件发生
case DISPID_PRINTTEMPLATEINSTANTIATION: 
   //在这里阻止打印吧
break;

default:
break;
}

return S_OK;
}

[雪影]

上述代码没有测试过，不知道能否实现

[MoXiaoRab]

如2#所说，DISPID_PRINTTEMPLATEINSTANTIATION进行响应可行

[caicairoom]

好像不行哦