def OnShow(self, event):
        page = self._page_widget
        if page:
            wx.PostEvent(page, event)

    #--------------------------------------------------------------------------
    # Private API
    #--------------------------------------------------------------------------
Set the diagonal entry in ``rows`` to a particular value.
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/wx/wx_page.py/wxPage.OnShow--crossover with--dataset/ETHPy150Open OP2/PyOP2/pyop2/petsc_base.py/Mat.set_local_diagonal_entries