参考：猛击这里 在头文件中加入：

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STDMETHOD(ShowContextMenu)(DWORD dwID, POINT *ppt, IUnknown *pcmdtReserved, IDispatch *pdispReserved);
STDMETHOD(TranslateAccelerator)(LPMSG lpMsg, const GUID * pguidCmdGroup, DWORD nCmdID);

在cpp中加入：

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STDMETHODIMP ChtmldialogDlg::ShowContextMenu(DWORD dwID, POINT *ppt, IUnknown *pcmdtReserved, IDispatch *pdispReserved)
{
//return CDHtmlDialog::ShowContextMenu(dwID, ppt, pcmdtReserved, pdispReserved);
return S_OK;
}

STDMETHODIMP ChtmldialogDlg::TranslateAccelerator(LPMSG lpMsg, const GUID * pguidCmdGroup, DWORD nCmdID)
{
if (lpMsg && lpMsg->message == WM_KEYDOWN && lpMsg->wParam == VK_F5) {
return S_OK;
}
return CDHtmlDialog::TranslateAccelerator(lpMsg, pguidCmdGroup, nCmdID);
}