private void menuGerarAvaliacao_Click(object sender, EventArgs e) { if (!DBControl.CheckInstituicao()) { return; } if (frmGerarAvaliacao == null || frmGerarAvaliacao.IsDisposed) { frmGerarAvaliacao = new FormGerarAvaliacao(); frmGerarAvaliacao.MdiParent = this; } frmGerarAvaliacao.Show(); }