private void btn_medida_Click(object sender, EventArgs e)
{
FormMedidas f = new FormMedidas();
f.MdiParent = this.MdiParent;
f.Show();
}
private void medidasToolStripMenuItem_Click(object sender, EventArgs e)
{
if (fm == null)
{
fm = new FormMedidas();
fm.MdiParent = this;
fm.FormClosed += new FormClosedEventHandler(FormMedidas_FormCLosed);
fm.Show();
}
}