Don't hide/show wxActiveXContainer when resizing it.

This results in bad flicker as can be seen with wxWebView or wxMediaCtrl and
just doesn't seem to be necessary.

Closes #13680.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@69831 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/ole/activex.cpp

@@ -1184,8 +1184,6 @@ void wxActiveXContainer::OnSize(wxSizeEvent& event)
     // extents are in HIMETRIC units
     if (m_oleObject.IsOk())
     {
-        m_oleObject->DoVerb(OLEIVERB_HIDE, 0, m_clientSite, 0,
-            (HWND)m_realparent->GetHWND(), &posRect);
 
         SIZEL sz = {w, h};
         PixelsToHimetric(sz);
@@ -1196,8 +1194,6 @@ void wxActiveXContainer::OnSize(wxSizeEvent& event)
         if (sz2.cx !=  sz.cx || sz.cy != sz2.cy)
             m_oleObject->SetExtent(DVASPECT_CONTENT, &sz);
 
-        m_oleObject->DoVerb(OLEIVERB_SHOW, 0, m_clientSite, 0,
-            (HWND)m_realparent->GetHWND(), &posRect);
     }
 
     if (m_oleInPlaceObject.IsOk())