private void button2_Click(object sender, EventArgs e)
{
ChamadoAbrir ca = new ChamadoAbrir();
ca.Show();
this.Hide();
}
private void abrirChamadoToolStripMenuItem_Click(object sender, EventArgs e)
{
ChamadoAbrir ca = new ChamadoAbrir();
ca.Show();
this.Hide();
}