// categorias
private void categoriasToolStripMenuItem1_Click(object sender, EventArgs e)
{
if (formCategorias == null)
{
formCategorias = new FormCategorias();
formCategorias.MdiParent = this;
formCategorias.WindowState = FormWindowState.Maximized;
formCategorias.FormClosed += formCategoriasClosed;
formCategorias.Show();
}
else
{
formCategorias.WindowState = FormWindowState.Maximized;
formCategorias.Activate();
}
}
private void formProcurarLivroClosed(object sender, FormClosedEventArgs e)
{
formCategorias = null;
}
private void formCategoriasClosed(object sender, FormClosedEventArgs e)
{
formCategorias = null;
}
