private void registroDeCobrosToolStripMenuItem_Click(object sender, EventArgs e)
{
rCobros registroCobros = new rCobros(usuario);
registroCobros.MdiParent = this;
registroCobros.Show();
}
private void cobrosToolStripMenuItem_Click(object sender, EventArgs e)
{
rCobros rCobros = new rCobros();
rCobros.MdiParent = this;
rCobros.Show();
}