+ // check if we use themes at all -- if we don't, we're still ok
+#if wxUSE_UXTHEME
+ if ( wxUxThemeEngine::GetIfActive() )
+#endif
+ {
+ style &= ~(wxNB_BOTTOM | wxNB_LEFT | wxNB_RIGHT);
+ }
+ }
+
+ LPCTSTR className = WC_TABCONTROL;
+
+ // SysTabCtl32 class has natively CS_HREDRAW and CS_VREDRAW enabled and it
+ // causes horrible flicker when resizing notebook, so get rid of it by
+ // using a class without these styles (but otherwise identical to it)
+ if ( !HasFlag(wxFULL_REPAINT_ON_RESIZE) )
+ {
+ static ClassRegistrar s_clsNotebook;
+ if ( !s_clsNotebook.IsInitialized() )
+ {
+ // get a copy of standard class and modify it
+ WNDCLASS wc;
+
+ if ( ::GetClassInfo(::GetModuleHandle(NULL), WC_TABCONTROL, &wc) )
+ {
+ wc.lpszClassName = wxT("_wx_SysTabCtl32");
+ wc.style &= ~(CS_HREDRAW | CS_VREDRAW);
+
+ s_clsNotebook.Register(wc);
+ }
+ else
+ {
+ wxLogLastError(_T("GetClassInfoEx(SysTabCtl32)"));
+ }
+ }
+
+ // use our custom class if available but fall back to the standard
+ // notebook if we failed to register it
+ if ( s_clsNotebook.IsRegistered() )
+ {
+ // it's ok to use c_str() here as the static s_clsNotebook object
+ // has sufficiently long lifetime
+ className = s_clsNotebook.GetName().c_str();
+ }