do nothing in ShowHidden() if the flag doesn't change (patch 1678963)
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@44841 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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@ -635,6 +635,9 @@ wxTreeCtrl* wxGenericDirCtrl::CreateTreeCtrl(wxWindow *parent, wxWindowID id, co
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void wxGenericDirCtrl::ShowHidden( bool show )
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{
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if ( m_showHidden == show )
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return;
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m_showHidden = show;
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wxString path = GetPath();
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