// 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; }