private void solicitarMaterialToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var frmsolicitacao = new FrmSolicitacaoMaterial();

            frmsolicitacao.MdiParent = this;
            frmsolicitacao.Show();
        }
 private void solicitarMaterialToolStripMenuItem_Click(object sender, EventArgs e)
 {
     var frmsolicitacao = new FrmSolicitacaoMaterial();
     frmsolicitacao.MdiParent = this;
     frmsolicitacao.Show();
 }