private void toolStripButton1_Click_1(object sender, EventArgs e)
{
Cadastrar o = new Cadastrar();
o.MdiParent = this;
o.Show();
}
private void button_Click(object sender, RoutedEventArgs e)
{
Cadastrar w = new Cadastrar(codigo);
w.Show();
sair = false;
this.Close();
}
private void button6_Click(object sender, EventArgs e)
{
Cadastrar o = new Cadastrar();
o.Show();
}