wxGBSizerItem* item = (wxGBSizerItem*)node->GetData();
wxRect rect(item->GetPosition(), item->GetSize());
rect.Inflate(m_hgap, m_vgap);
wxGBSizerItem* item = (wxGBSizerItem*)node->GetData();
wxRect rect(item->GetPosition(), item->GetSize());
rect.Inflate(m_hgap, m_vgap);