dc->SetBrush(*yellowBrush);
dc->DrawRectangle( x*m_cellWidth*X_UNIT, y*m_cellHeight*Y_UNIT,
m_cellWidth*X_UNIT+1, m_cellHeight*Y_UNIT+1);
dc->SetBrush(*yellowBrush);
dc->DrawRectangle( x*m_cellWidth*X_UNIT, y*m_cellHeight*Y_UNIT,
m_cellWidth*X_UNIT+1, m_cellHeight*Y_UNIT+1);